← New search

2004 Buick Rendezvous

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2004 Buick Rendezvous do not stand out strongly from the model-year median of 138.

About this comparison →

When problems were reported

Mileage at the reported incident

162 reports with mileage · 38 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 76 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 23 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 21 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

14 crash reports2 fire reports13 injury reports

Engine And Engine Cooling complaints

21 reports
Clear category filter
108,000 miles · Apr 9, 2013
Engine And Engine Cooling

SHORTLY AFTER I BOUGHT MY USED BUICK RENDEZVOUS, IT STARTED STALLING. IT WAS A MONTHLY OCCURRENCE UNTIL RECENTLY WHEN IT IS HAPPENING WEEKLY. ALTHOUGH THIS CAR WAS WITHIN THE VIN BREAKPOINTS OF A SAFETY RECALL IN 2005, BUICK TOLD ME THAT MY PARTICULAR VIN IN ITS ENTIRETY WASN'T AFFECTED AND EVEN IF IT WAS THAT THEY WOULDN'T C…

Read full complaint

SHORTLY AFTER I BOUGHT MY USED BUICK RENDEZVOUS, IT STARTED STALLING. IT WAS A MONTHLY OCCURRENCE UNTIL RECENTLY WHEN IT IS HAPPENING WEEKLY. ALTHOUGH THIS CAR WAS WITHIN THE VIN BREAKPOINTS OF A SAFETY RECALL IN 2005, BUICK TOLD ME THAT MY PARTICULAR VIN IN ITS ENTIRETY WASN'T AFFECTED AND EVEN IF IT WAS THAT THEY WOULDN'T COVER REPAIRS BECAUSE IT WAS TOO OLD. *TR

NHTSA ODI #10505667

90,000 miles · Feb 10, 2011
Engine And Engine CoolingFire

TL*THE CONTACT OWNS A 2004 BUICK RENDEZVOUS. WHILE DRIVING APPROXIMATELY 35 MPH THE CONTACT BEGAN TO SMELL A BURNING ODOR. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE CONTACT WAS TOLD THAT THE COOLANT BEGAN TO MIX WITH THE OIL AND DESTROYED THE HEAD GASKET. THE ENGINE WAS REPAIRED. THE FAILURE AND CURRENT MILEAGES W…

Read full complaint

TL*THE CONTACT OWNS A 2004 BUICK RENDEZVOUS. WHILE DRIVING APPROXIMATELY 35 MPH THE CONTACT BEGAN TO SMELL A BURNING ODOR. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE CONTACT WAS TOLD THAT THE COOLANT BEGAN TO MIX WITH THE OIL AND DESTROYED THE HEAD GASKET. THE ENGINE WAS REPAIRED. THE FAILURE AND CURRENT MILEAGES WERE 90,000. THE VIN WAS UNAVAILABLE.

NHTSA ODI #10381420

67,000 miles · Feb 21, 2009
Engine And Engine Cooling

TWO HEAD GASKETS BLEW ON MY CAR AND I WANT TO KNOW IF THIS HAS BEEN A PROBLEM WITH BUICK RENDEZVOUS 2004 MODEL OR OTHERS. THIS CAR HAS ONLY 67,000 MILES. I SEE A LIST OF RECALLS ON THIS MODEL AND WANT TO KNOW IF ONE OF THOSE COULD CAUSE HEAD GASKET PROBLEMS. *TR

NHTSA ODI #10259565

Mileage unknown · Aug 6, 2007
Engine And Engine Cooling

TL*THE CONTACT OWNS A 2004 BUICK RENDEZVOUS. THE CONTACT STATED THAT THE VEHICLE LOSES BRAKING AND STEERING POWER WHILE DRIVING. THE FAILURES CAUSE THE VEHICLE TO STALL. THE DEALER WAS UNABLE TO FIND THE CAUSE OF FAILURE. SHE TOOK THE VEHICLE TO ANOTHER AUTO REPAIR SHOP AND THEY CALLED AN EXPERT, WHO STATED THAT THERE WAS A …

Read full complaint

TL*THE CONTACT OWNS A 2004 BUICK RENDEZVOUS. THE CONTACT STATED THAT THE VEHICLE LOSES BRAKING AND STEERING POWER WHILE DRIVING. THE FAILURES CAUSE THE VEHICLE TO STALL. THE DEALER WAS UNABLE TO FIND THE CAUSE OF FAILURE. SHE TOOK THE VEHICLE TO ANOTHER AUTO REPAIR SHOP AND THEY CALLED AN EXPERT, WHO STATED THAT THERE WAS A DESIGN FLAW WITH THE ENGINE AND THE FUEL LINE WAS TOO CLOSE TO THE AIR INTAKE SYSTEM/VALVE. THE VEHICLE HAS NOT BEEN REPAIRED. THE VIN, ENGINE SIZE, NUMBER OF CYLINDERS, FAILURE SPEED, AND FAILURE MILEAGE WERE UNKNOWN. THE CURRENT MILEAGE WAS 21,000.

NHTSA ODI #10198598

24,030 miles · Dec 18, 2006
Engine And Engine Cooling

TL*- THE CONTACT SAID THAT THE CAR SHUTS OFF WILE DRIVING AT DIFFERENT SPEEDS. THE CONTACT SAID THAT SHE AS HAD TAKEN THE CAR TO THE REPAIR SHOP, BUT THEY COULD NOT FIND A PROBLEM. IT IS STILL UNDER WARRANTY AND THE DEALER HAS NOT GIVE THE CONTACT A REPAIR ORDER FOR A POSSIBLE PROBLEM. THE CONTACT STATED THAT THE SPEED AT LAST …

Read full complaint

TL*- THE CONTACT SAID THAT THE CAR SHUTS OFF WILE DRIVING AT DIFFERENT SPEEDS. THE CONTACT SAID THAT SHE AS HAD TAKEN THE CAR TO THE REPAIR SHOP, BUT THEY COULD NOT FIND A PROBLEM. IT IS STILL UNDER WARRANTY AND THE DEALER HAS NOT GIVE THE CONTACT A REPAIR ORDER FOR A POSSIBLE PROBLEM. THE CONTACT STATED THAT THE SPEED AT LAST FAILURE WAS 25 MPH.

NHTSA ODI #10176395

42,100 miles · Jul 9, 2006
Engine And Engine CoolingFuel System, GasolineService Brakes, Hydraulic

I HAVE A 2004 BUICK RENDEZVOUS THAT I BOUGHT IN 2004 WITH 9000 MILES ON IT. AT 32000 MILES THE CHECK ENGINE LIGHT CAME ON AND THE DEALER SAID THE NUMBER THREE CYLINDER WAS MISFIRING. HE RESET THE THE CYLINDER AND 10000 MILES LATER IT IS DOING IT AGAIN. ALSO AT 42000 I HAVE HAD TO REPLACE BOTH FRONT AND REAR BREAKS ALONG WITH T…

Read full complaint

I HAVE A 2004 BUICK RENDEZVOUS THAT I BOUGHT IN 2004 WITH 9000 MILES ON IT. AT 32000 MILES THE CHECK ENGINE LIGHT CAME ON AND THE DEALER SAID THE NUMBER THREE CYLINDER WAS MISFIRING. HE RESET THE THE CYLINDER AND 10000 MILES LATER IT IS DOING IT AGAIN. ALSO AT 42000 I HAVE HAD TO REPLACE BOTH FRONT AND REAR BREAKS ALONG WITH THE POWER STEERING PUMP AND THE MASTER CYLINDER. I THINK THESE ARE EXCESSIVE BREAKDOWNS FOR A VEHICLE THIS AGE AND MILAGE. SO FAR REPAIRS TO THE VEHICLE IN THE LAST MONTH HAVE EXCEEDED $1000.00. LUCKLY I WASN'T IN AND ACCIDENT WHEN THE STEERING AND BREAKS FAILED. THERE WAS NO WARNIGN CHIRP OR DASH INDICATOR SHOWING THE STEERING AND BREAKS WERE FAILING. *NM

NHTSA ODI #10161920

13,500 miles · Mar 20, 2006
Engine And Engine CoolingFuel System, GasolineVehicle Speed Control

DT*: THE CONTACT STATED IN STOP AND GO TRAFFIC, THE VEHICLE OVERHEATS. THIS IS AN INTERMITTENT PROBLEM. THE CONTACT CONTINUES DRIVING THE VEHICLE WITHOUT THE OVERHEATING CAUSING DAMAGE. THE DEALERSHIP IS UNABLE TO DETERMINE A PROBLEM AND THERE ARE NO CODES ON THE COMPUTER. THE CRUISE CONTROL DID NOT WORK AND THE GAS CAP WAS…

Read full complaint

DT*: THE CONTACT STATED IN STOP AND GO TRAFFIC, THE VEHICLE OVERHEATS. THIS IS AN INTERMITTENT PROBLEM. THE CONTACT CONTINUES DRIVING THE VEHICLE WITHOUT THE OVERHEATING CAUSING DAMAGE. THE DEALERSHIP IS UNABLE TO DETERMINE A PROBLEM AND THERE ARE NO CODES ON THE COMPUTER. THE CRUISE CONTROL DID NOT WORK AND THE GAS CAP WAS FAULTY WHICH CAUSED THE ENGINE LIGHT TO ILLUMINATE. UPDATED 04/06/06. *JB

NHTSA ODI #10153176

5,545 miles · Nov 22, 2005
Electrical SystemEngine And Engine CoolingService Brakes, Hydraulic

MY 2004 BUICK RENDEZVOUS HAS BEEN IN THE SHOP 8 TIMES IN 10 1/2 MONTHS. CURRENTLY I AM EXPERIENCING A LOUD NOISE (MUCH LIKE AN AIR RAID HORN) WHILE I AM STOPPED IN TRAFFIC AND WHEN I TURN MY VEHICLE OFF. IT STARTED BACK IN APRIL, THE DEALERSHIP COULD NOT RECREATE THE NOISE, IN THE SHOP AGAIN 11/4/05 AND AGAIN 11/11/05. I JUST…

Read full complaint

MY 2004 BUICK RENDEZVOUS HAS BEEN IN THE SHOP 8 TIMES IN 10 1/2 MONTHS. CURRENTLY I AM EXPERIENCING A LOUD NOISE (MUCH LIKE AN AIR RAID HORN) WHILE I AM STOPPED IN TRAFFIC AND WHEN I TURN MY VEHICLE OFF. IT STARTED BACK IN APRIL, THE DEALERSHIP COULD NOT RECREATE THE NOISE, IN THE SHOP AGAIN 11/4/05 AND AGAIN 11/11/05. I JUST DO NOT FEEL SAFE IN THE CAR. I IT IS GETTING PROGRESSIVELY WORSE, LOUDER AND MORE FREQUENT, LASTING LONGER. I PURCHASED MY VEHICLE 17 DEC 04 AND THE VERY NEXT DAY HAD A BREAK PROBLEM. MY SERVICE RECORD IS AS FOLLOWS: 1) 12/20/04- ABS LIGHT ON - ALL WHEEL DRIVE DISABLED 2) 01/27/05 - ABS LIGHT ON - ALL WHEEL DRIVE DISABLED 3) 4/25/05 - ABS LIGHT ON ALL WHEEL DRIVE DISABLED WOULD NOT DRIVE OVER 40 MPH - 3) 4/25/05 - PASSENGER SIDE MIRROR CLICKING WHEN VEHICLE IS PUT INTO REVERSE 3) 4/25/05 VEHICLE MAKES A LOUD AIR HORN NOISE WHEN VEHICLE IS TURNED OFF 4) 5-19/05 - ABS LIGHT ON - ALL WHEEL DRIVE DISABLED 4) 5/19/05 - VEHICLE LOOSES POWER WHEN MAKING LEFT TURNS OR ON INCLINE 4) 5/16/05 INSTALLED REAR LIFT GATE LATCH 5) 7/15/05 DRIVER SIDE MIRROR GLASS CAME LOOSE 6) 9/01/05 - DRIVERS SIDE POWER WINDOW INOPERATIVE- 7) 11/4/05 - VERY LOUD ACCELERATION - EXHAUST MANIFOLD LEAKING RIGHT EXHAUST MANIFOLD 7) 11/4/05 LOUD NOISE WHILE DRIVING VEHICLE, STOPPING IN TRAFFIC AND WHEN VEHICLE IS TURNED OFF 8) 11/11/05 WOBBLE IN LEFT FRONT TIRE- REFACE FRONT ROTORS OUT OF ROUND 8) 11/11/05 TOOK VEHICLE IN FOR THE LOUD AIR HORN NOISE WHILE DRIVING, STOPPING IN TRAFFIC AND TURNING VEHICLE OFF - HAD A 5 MINUTE DISCUSSION WITH SERVICE PERSON ABOUT THIS AND IT DID NOT EVEN MAKE IT ON THE INVOICE. *NM

NHTSA ODI #10143461

63,629 miles · Nov 11, 2005
Electrical SystemEngine And Engine Cooling

SERVICE ENGINE SOON LIGHT CAME ON AND THE SERVICE TECHNICIAN FOUND THE MASS AIR FLOW SENSOR WAS NOT PROPERLY CONNECTED AFTER THE FUEL SYSTEM WAS SERVICED. THE TECHNICIAN SUBSEQUENTLY FOUND THE FUEL TANK HARNESS WAS CORRODED AND NEEDED TO BE REPLACED. THE SERVICE MANAGER ADVISED THAT THIS CONNECTOR WAS EXPOSED TO THE WEATHER EL…

Read full complaint

SERVICE ENGINE SOON LIGHT CAME ON AND THE SERVICE TECHNICIAN FOUND THE MASS AIR FLOW SENSOR WAS NOT PROPERLY CONNECTED AFTER THE FUEL SYSTEM WAS SERVICED. THE TECHNICIAN SUBSEQUENTLY FOUND THE FUEL TANK HARNESS WAS CORRODED AND NEEDED TO BE REPLACED. THE SERVICE MANAGER ADVISED THAT THIS CONNECTOR WAS EXPOSED TO THE WEATHER ELEMENTS AND IF THE CONNECTOR FAILED THE ENGINE WOULD SHUT OFF WHILE DRIVING. THIS IS A SERIOUS SAFETY HAZARD IN MY OPINION. THE CONNECTOR WAS REPLACED AT A COST OF $199.50. *JB

NHTSA ODI #10142452

23,000 miles · Sep 2, 2005
Electrical SystemEngine And Engine CoolingFuel System, Other

DT: THE STARTER AND HORN DID NOT ALWAYS WORK. THERMOSTAT AND FUEL GAUGE WAS NOT ACCURATE. THERE HAD PREVIOUSLY BEEN A PROBLEM WITH THE IGNITION SWITCH AND IT WAS REPAIRED DUE TO A RECALL. THE PROBLEM WITH THE STARTER STARTED IN MARCH OF 2005. THESE PROBLEMS HAVE NOT BEEN REPAIRED AS OF YET. WHEN THE CONSUMER TOOK THE VEHIC…

Read full complaint

DT: THE STARTER AND HORN DID NOT ALWAYS WORK. THERMOSTAT AND FUEL GAUGE WAS NOT ACCURATE. THERE HAD PREVIOUSLY BEEN A PROBLEM WITH THE IGNITION SWITCH AND IT WAS REPAIRED DUE TO A RECALL. THE PROBLEM WITH THE STARTER STARTED IN MARCH OF 2005. THESE PROBLEMS HAVE NOT BEEN REPAIRED AS OF YET. WHEN THE CONSUMER TOOK THE VEHICLE IT TO THE DEALERSHIP THEY TOLD HER IT WAS DESIGNED THAT WAY. *JB

NHTSA ODI #10135186

Official recalls

4

07V349000 · Fuel System, Gasoline:storage

Aug 8, 2007

ON CERTAIN VEHICLES, VARIATIONS IN THE MANUFACTURING PROCESS OR EXPOSURE TO HIGH AMBIENT TEMPERATURES MAY LEAD TO FRACTURE OF THE FUEL TANK INLET CHECK VALVE (ICV).

Consequence & remedy

Consequence: A FRACTURE MAY ALLOW FUEL VAPORS TO PASS THROUGH AND ALLOW DROPLETS OF FUEL TO ACCUMULATE ON THE SIDE OF THE FUEL TANK. FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.

Remedy: DEALERS WILL REPLACE THE FUEL TANK. THE RECALL WILL BE MAILED IN TWO PHASES WITH THE FIRST PHASE BEGINNING ON DECEMBER 4, 2007. THE SECOND PHASE WILL BE MAILED ON DECEMBER 13, 2007. OWNERS MAY CONTACT BUICK AT 1-866-608-8080; CHEVROLET AT 1-800-630-2438; OR PONTIAC AT 1-800-620-7668. THE VEHICLE POPULATION INCLUDES BUICK RENDEZVOUS AND PONTIAC AZTEK VEHICLE BUILT IN MAY 2003; CHEVROLET VENTURE AND PONTIAC MONTANA VEHICLES BUILT FROM JUNE THROUGH AUGUST 2002; AND ALL VEHICLES REGISTERED IN NEVADA, ARIZONA, VIRGIN ISLANDS, PUERTO RICO, AND HAWAII.

05V157000 · Electrical System:ignition

Apr 20, 2005

ON CERTAIN SPORT UTILITY VEHICLES, CONTAMINATION ON IGNITION RELAY CONTACTS CAN CAUSE HIGH RESISTANCE. THIS CAN AFFECT SIGNALS TO THE POWERTRAIN CONTROL MODULE AND, COULD CAUSE INTERMITTENT VEHICLE STALLS AT ANY TIME.

Consequence & remedy

Consequence: THE VEHICLE CANNOT BE RESTARTED IMMEDIATELY. IF THIS WERE TO OCCUR, IT COULD RESULT IN A VEHICLE CRASH.

Remedy: DEALERS WILL REPLACE THE IGNITION RELAY FREE OF CHARGE. THE RECALL BEGAN ON MAY 4, 2005. OWNERS MAY CONTACT PONTIAC AT 1-800-620-7668 AND BUICK AT 1-866-608-8080.

04V150000 · Latches/locks/linkages:hatchback/liftgate:lock

Mar 29, 2004

ON CERTAIN SPORT UTILITY VEHICLES, A STRUCTURAL SUPPORT AT THE LATCH ATTACHMENT IN THE REAR LIFTGATE MAY BE INADEQUATE TO RETAIN THE LATCH TO THE LIFTGATE IN CERTAIN SEVERE VEHICLE CRASH EVENTS.

Consequence & remedy

Consequence: IF THE LIFTGATE WERE TO OPEN IN A VEHICLE CRASH, AN OCCUPANT COULD BE EJECTED FROM THE VEHICLE RESULTING IN INCREASED RISK OF PERSONAL INJURY.

Remedy: DEALERS WILL ADD STRUCTURAL REINFORCEMENTS TO THE LIFTGATE IN THE AREA ADJOINING THE LATCH ASSEMBLY. OWNER NOTIFICATION SCHEDULE BEGAN ON JUNE 21, 2004. OWNERS SHOULD CONTACT BUICK AT 1-866-608-8080. THIS IS AN EXPANSION TO A PREVIOUS RECALL (03V211).

03V454000 · Fuel System, Gasoline:storage

Nov 10, 2003

ON CERTAIN PASSENGER VEHICLES, A WELD BETWEEN THE FUEL TANK INLET CHECK VALVE AND THE FUEL TANK CAN FAIL.

Consequence & remedy

Consequence: IF THESE PARTS SEPARATE, THE DRIVER MAY NOTICE AN ODOR OF FUEL, THE SERVICE ENGINE SOON OR CHECK ENGINE LIGHT MAY ILLUMINATE, AND/OR FUEL MAY LEAK ONTO THE GROUND. FUEL LEAKAGE IN THE PRESENCE OF AN IGNITION SOURCE COULD RESULT IN A FIRE.

Remedy: DEALERS WILL INSPECT THE SERIAL NUMBER OF THE FUEL TANK TO SEE IF IT IS ON THE LIST OF AFFECTED TANKS. IF THE SERIAL NUMBER MATCHES, THE FUEL TANK WILL BE REPLACED. OWNER NOTIFICATION BEGAN NOVEMBER 4, 2003. OWNERS SHOULD CONTACT BUICK AT 1-866-608-8080 OR PONTIAC AT 1-800-620-7668.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

3

EA07006 · Fuel Tank Leakage

Opened Apr 18, 2007 · Closed Sep 13, 2007

Status: closed (inferred from source dates) · Fuel System, Gasoline; Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings; Fuel System, Gasoline:storage; Fuel System, Gasoline:storage:tank Assembly; Fuel System, Gasoline:storage:tank Assembly:filler Pipe And Cap

GM IS RECALLING (NHTSA RECALL NO. 07V-349) CERTAIN MODEL YEAR (MY) 2002-2004 BUICK RENDEZVOUS, CHEVROLET VENTURE (REGULAR WHEELBASE) AND 2001-2004 PONTIAC AZTEK AND MONTANA (REGULAR WHEELBASE) VEHICLES TO REPLACE FUEL TANKS AND CORRECT A DEFECT THAT MAY ALLOW FUEL LEAKAGE.THE VEHICLE RECALL POPULATION IS RENDEZVOUS AND AZTEK VEHICLES BUILT IN MAY 2003, VENTURE AND MONTANA VEHICLE BUILT IN JUNE THROUGH AUGUST 2002 AND CERTAIN SAME MODEL VEHICLES REGISTERED IN NEVADA, ARIZONA, VIRGIN ISLANDS, PUERTO RICO AND HAWAII THAT WERE BUILT THROUGH NOV/DEC 2003 (DEPENDING ON MODEL).THE TOTAL NUMBER OF VEHICLES RECALLED IS 20,594 (INCLUDES 15,196 SUBJECT AZTEK AND RENDEZVOUS VEHICLES). IN ADDITION TO THE RECALL, GM WILL EXTEND THE WARRANTY ON MY 2002-2004 RENDEZVOUS AND REGULAR WHEEL BASE VENTURE VANS AND MY 2001-2004 AZTEK AND REGULAR WHEELBASE MONTANA VANS NOT INCLUDED IN THE RECALL TO PROVIDE WARRANTY COVERAGE FOR A PERIOD OF 10 YEARS OR 150,000 MILES, WHICHEVER OCCURS FIRST.GM WILL BEGIN NOTIFYING OWNERS IN DECEMBER 2007.GM REPORTS THAT THE FUEL INLET PIPE CONTAINING THE INLET CHECK VALVE (ICV) MAY FRACTURE AND ALLOW FUEL VAPORS OR FUEL TO LEAK OUT.GM DATA REVEALED THAT ELEVATED AMBIENT TEMPERATURES, HIGHER CARBON CONTENT IN THE ICV AND VARIATION IN THE MANUFACTURING PROCESS WERE THE CONTRIBUTING FACTORS FOR POTENTIAL CRACKS IN THE ICV.BEGINNING DECEMBER 2003, GM BUILT VEHICLES WITH A REDESIGNED FUEL TANK/ICV.SUBJECT VEHICLES NOT INCLUDED IN THE RECALL OR EXTENDED WARRANTY DID NOT SHOW A FAILURE TREND SIMILAR TO THE ABOVE VEHICLES..FOR ADDITIONAL DETAILS, SEE RECALL 07V-349.THIS INVESTIGATION IS CLOSED.

Additional source detail variants (5)

Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings

GM IS RECALLING (NHTSA RECALL NO. 07V-349) CERTAIN MODEL YEAR (MY) 2002-2004 BUICK RENDEZVOUS, CHEVROLET VENTURE (REGULAR WHEELBASE) AND 2001-2004 PONTIAC AZTEK AND MONTANA (REGULAR WHEELBASE) VEHICLES TO REPLACE FUEL TANKS AND CORRECT A DEFECT THAT MAY ALLOW FUEL LEAKAGE.THE VEHICLE RECALL POPULATION IS RENDEZVOUS AND AZTEK VEHICLES BUILT IN MAY 2003, VENTURE AND MONTANA VEHICLE BUILT IN JUNE THROUGH AUGUST 2002 AND CERTAIN SAME MODEL VEHICLES REGISTERED IN NEVADA, ARIZONA, VIRGIN ISLANDS, PUERTO RICO AND HAWAII THAT WERE BUILT THROUGH NOV/DEC 2003 (DEPENDING ON MODEL).THE TOTAL NUMBER OF VEHICLES RECALLED IS 20,594 (INCLUDES 15,196 SUBJECT AZTEK AND RENDEZVOUS VEHICLES). IN ADDITION TO THE RECALL, GM WILL EXTEND THE WARRANTY ON MY 2002-2004 RENDEZVOUS AND REGULAR WHEEL BASE VENTURE VANS AND MY 2001-2004 AZTEK AND REGULAR WHEELBASE MONTANA VANS NOT INCLUDED IN THE RECALL TO PROVIDE WARRANTY COVERAGE FOR A PERIOD OF 10 YEARS OR 150,000 MILES, WHICHEVER OCCURS FIRST.GM WILL BEGIN NOTIFYING OWNERS IN DECEMBER 2007.GM REPORTS THAT THE FUEL INLET PIPE CONTAINING THE INLET CHECK VALVE (ICV) MAY FRACTURE AND ALLOW FUEL VAPORS OR FUEL TO LEAK OUT.GM DATA REVEALED THAT ELEVATED AMBIENT TEMPERATURES, HIGHER CARBON CONTENT IN THE ICV AND VARIATION IN THE MANUFACTURING PROCESS WERE THE CONTRIBUTING FACTORS FOR POTENTIAL CRACKS IN THE ICV.BEGINNING DECEMBER 2003, GM BUILT VEHICLES WITH A REDESIGNED FUEL TANK/ICV.SUBJECT VEHICLES NOT INCLUDED IN THE RECALL OR EXTENDED WARRANTY DID NOT SHOW A FAILURE TREND SIMILAR TO THE ABOVE VEHICLES..FOR ADDITIONAL DETAILS, SEE RECALL 07V-349.THIS INVESTIGATION IS CLOSED.

Fuel System, Gasoline

GM IS RECALLING (NHTSA RECALL NO. 07V-349) CERTAIN MODEL YEAR (MY) 2002-2004 BUICK RENDEZVOUS, CHEVROLET VENTURE (REGULAR WHEELBASE) AND 2001-2004 PONTIAC AZTEK AND MONTANA (REGULAR WHEELBASE) VEHICLES TO REPLACE FUEL TANKS AND CORRECT A DEFECT THAT MAY ALLOW FUEL LEAKAGE.THE VEHICLE RECALL POPULATION IS RENDEZVOUS AND AZTEK VEHICLES BUILT IN MAY 2003, VENTURE AND MONTANA VEHICLE BUILT IN JUNE THROUGH AUGUST 2002 AND CERTAIN SAME MODEL VEHICLES REGISTERED IN NEVADA, ARIZONA, VIRGIN ISLANDS, PUERTO RICO AND HAWAII THAT WERE BUILT THROUGH NOV/DEC 2003 (DEPENDING ON MODEL).THE TOTAL NUMBER OF VEHICLES RECALLED IS 20,594 (INCLUDES 15,196 SUBJECT AZTEK AND RENDEZVOUS VEHICLES). IN ADDITION TO THE RECALL, GM WILL EXTEND THE WARRANTY ON MY 2002-2004 RENDEZVOUS AND REGULAR WHEEL BASE VENTURE VANS AND MY 2001-2004 AZTEK AND REGULAR WHEELBASE MONTANA VANS NOT INCLUDED IN THE RECALL TO PROVIDE WARRANTY COVERAGE FOR A PERIOD OF 10 YEARS OR 150,000 MILES, WHICHEVER OCCURS FIRST.GM WILL BEGIN NOTIFYING OWNERS IN DECEMBER 2007.GM REPORTS THAT THE FUEL INLET PIPE CONTAINING THE INLET CHECK VALVE (ICV) MAY FRACTURE AND ALLOW FUEL VAPORS OR FUEL TO LEAK OUT.GM DATA REVEALED THAT ELEVATED AMBIENT TEMPERATURES, HIGHER CARBON CONTENT IN THE ICV AND VARIATION IN THE MANUFACTURING PROCESS WERE THE CONTRIBUTING FACTORS FOR POTENTIAL CRACKS IN THE ICV.BEGINNING DECEMBER 2003, GM BUILT VEHICLES WITH A REDESIGNED FUEL TANK/ICV.SUBJECT VEHICLES NOT INCLUDED IN THE RECALL OR EXTENDED WARRANTY DID NOT SHOW A FAILURE TREND SIMILAR TO THE ABOVE VEHICLES..FOR ADDITIONAL DETAILS, SEE RECALL 07V-349.THIS INVESTIGATION IS CLOSED.

Fuel System, Gasoline:storage

GM IS RECALLING (NHTSA RECALL NO. 07V-349) CERTAIN MODEL YEAR (MY) 2002-2004 BUICK RENDEZVOUS, CHEVROLET VENTURE (REGULAR WHEELBASE) AND 2001-2004 PONTIAC AZTEK AND MONTANA (REGULAR WHEELBASE) VEHICLES TO REPLACE FUEL TANKS AND CORRECT A DEFECT THAT MAY ALLOW FUEL LEAKAGE.THE VEHICLE RECALL POPULATION IS RENDEZVOUS AND AZTEK VEHICLES BUILT IN MAY 2003, VENTURE AND MONTANA VEHICLE BUILT IN JUNE THROUGH AUGUST 2002 AND CERTAIN SAME MODEL VEHICLES REGISTERED IN NEVADA, ARIZONA, VIRGIN ISLANDS, PUERTO RICO AND HAWAII THAT WERE BUILT THROUGH NOV/DEC 2003 (DEPENDING ON MODEL).THE TOTAL NUMBER OF VEHICLES RECALLED IS 20,594 (INCLUDES 15,196 SUBJECT AZTEK AND RENDEZVOUS VEHICLES). IN ADDITION TO THE RECALL, GM WILL EXTEND THE WARRANTY ON MY 2002-2004 RENDEZVOUS AND REGULAR WHEEL BASE VENTURE VANS AND MY 2001-2004 AZTEK AND REGULAR WHEELBASE MONTANA VANS NOT INCLUDED IN THE RECALL TO PROVIDE WARRANTY COVERAGE FOR A PERIOD OF 10 YEARS OR 150,000 MILES, WHICHEVER OCCURS FIRST.GM WILL BEGIN NOTIFYING OWNERS IN DECEMBER 2007.GM REPORTS THAT THE FUEL INLET PIPE CONTAINING THE INLET CHECK VALVE (ICV) MAY FRACTURE AND ALLOW FUEL VAPORS OR FUEL TO LEAK OUT.GM DATA REVEALED THAT ELEVATED AMBIENT TEMPERATURES, HIGHER CARBON CONTENT IN THE ICV AND VARIATION IN THE MANUFACTURING PROCESS WERE THE CONTRIBUTING FACTORS FOR POTENTIAL CRACKS IN THE ICV.BEGINNING DECEMBER 2003, GM BUILT VEHICLES WITH A REDESIGNED FUEL TANK/ICV.SUBJECT VEHICLES NOT INCLUDED IN THE RECALL OR EXTENDED WARRANTY DID NOT SHOW A FAILURE TREND SIMILAR TO THE ABOVE VEHICLES..FOR ADDITIONAL DETAILS, SEE RECALL 07V-349.THIS INVESTIGATION IS CLOSED.

Fuel System, Gasoline:storage:tank Assembly:filler Pipe And Cap

GM IS RECALLING (NHTSA RECALL NO. 07V-349) CERTAIN MODEL YEAR (MY) 2002-2004 BUICK RENDEZVOUS, CHEVROLET VENTURE (REGULAR WHEELBASE) AND 2001-2004 PONTIAC AZTEK AND MONTANA (REGULAR WHEELBASE) VEHICLES TO REPLACE FUEL TANKS AND CORRECT A DEFECT THAT MAY ALLOW FUEL LEAKAGE.THE VEHICLE RECALL POPULATION IS RENDEZVOUS AND AZTEK VEHICLES BUILT IN MAY 2003, VENTURE AND MONTANA VEHICLE BUILT IN JUNE THROUGH AUGUST 2002 AND CERTAIN SAME MODEL VEHICLES REGISTERED IN NEVADA, ARIZONA, VIRGIN ISLANDS, PUERTO RICO AND HAWAII THAT WERE BUILT THROUGH NOV/DEC 2003 (DEPENDING ON MODEL).THE TOTAL NUMBER OF VEHICLES RECALLED IS 20,594 (INCLUDES 15,196 SUBJECT AZTEK AND RENDEZVOUS VEHICLES). IN ADDITION TO THE RECALL, GM WILL EXTEND THE WARRANTY ON MY 2002-2004 RENDEZVOUS AND REGULAR WHEEL BASE VENTURE VANS AND MY 2001-2004 AZTEK AND REGULAR WHEELBASE MONTANA VANS NOT INCLUDED IN THE RECALL TO PROVIDE WARRANTY COVERAGE FOR A PERIOD OF 10 YEARS OR 150,000 MILES, WHICHEVER OCCURS FIRST.GM WILL BEGIN NOTIFYING OWNERS IN DECEMBER 2007.GM REPORTS THAT THE FUEL INLET PIPE CONTAINING THE INLET CHECK VALVE (ICV) MAY FRACTURE AND ALLOW FUEL VAPORS OR FUEL TO LEAK OUT.GM DATA REVEALED THAT ELEVATED AMBIENT TEMPERATURES, HIGHER CARBON CONTENT IN THE ICV AND VARIATION IN THE MANUFACTURING PROCESS WERE THE CONTRIBUTING FACTORS FOR POTENTIAL CRACKS IN THE ICV.BEGINNING DECEMBER 2003, GM BUILT VEHICLES WITH A REDESIGNED FUEL TANK/ICV.SUBJECT VEHICLES NOT INCLUDED IN THE RECALL OR EXTENDED WARRANTY DID NOT SHOW A FAILURE TREND SIMILAR TO THE ABOVE VEHICLES..FOR ADDITIONAL DETAILS, SEE RECALL 07V-349.THIS INVESTIGATION IS CLOSED.

Fuel System, Gasoline:storage:tank Assembly

GM IS RECALLING (NHTSA RECALL NO. 07V-349) CERTAIN MODEL YEAR (MY) 2002-2004 BUICK RENDEZVOUS, CHEVROLET VENTURE (REGULAR WHEELBASE) AND 2001-2004 PONTIAC AZTEK AND MONTANA (REGULAR WHEELBASE) VEHICLES TO REPLACE FUEL TANKS AND CORRECT A DEFECT THAT MAY ALLOW FUEL LEAKAGE.THE VEHICLE RECALL POPULATION IS RENDEZVOUS AND AZTEK VEHICLES BUILT IN MAY 2003, VENTURE AND MONTANA VEHICLE BUILT IN JUNE THROUGH AUGUST 2002 AND CERTAIN SAME MODEL VEHICLES REGISTERED IN NEVADA, ARIZONA, VIRGIN ISLANDS, PUERTO RICO AND HAWAII THAT WERE BUILT THROUGH NOV/DEC 2003 (DEPENDING ON MODEL).THE TOTAL NUMBER OF VEHICLES RECALLED IS 20,594 (INCLUDES 15,196 SUBJECT AZTEK AND RENDEZVOUS VEHICLES). IN ADDITION TO THE RECALL, GM WILL EXTEND THE WARRANTY ON MY 2002-2004 RENDEZVOUS AND REGULAR WHEEL BASE VENTURE VANS AND MY 2001-2004 AZTEK AND REGULAR WHEELBASE MONTANA VANS NOT INCLUDED IN THE RECALL TO PROVIDE WARRANTY COVERAGE FOR A PERIOD OF 10 YEARS OR 150,000 MILES, WHICHEVER OCCURS FIRST.GM WILL BEGIN NOTIFYING OWNERS IN DECEMBER 2007.GM REPORTS THAT THE FUEL INLET PIPE CONTAINING THE INLET CHECK VALVE (ICV) MAY FRACTURE AND ALLOW FUEL VAPORS OR FUEL TO LEAK OUT.GM DATA REVEALED THAT ELEVATED AMBIENT TEMPERATURES, HIGHER CARBON CONTENT IN THE ICV AND VARIATION IN THE MANUFACTURING PROCESS WERE THE CONTRIBUTING FACTORS FOR POTENTIAL CRACKS IN THE ICV.BEGINNING DECEMBER 2003, GM BUILT VEHICLES WITH A REDESIGNED FUEL TANK/ICV.SUBJECT VEHICLES NOT INCLUDED IN THE RECALL OR EXTENDED WARRANTY DID NOT SHOW A FAILURE TREND SIMILAR TO THE ABOVE VEHICLES..FOR ADDITIONAL DETAILS, SEE RECALL 07V-349.THIS INVESTIGATION IS CLOSED.

RQ06009 · Fuel Tank Leakage

Opened Dec 14, 2006 · Closed Apr 18, 2007

Status: closed (inferred from source dates) · Fuel System, Gasoline; Fuel System, Gasoline:storage; Fuel System, Gasoline:storage:tank Assembly; Fuel System, Gasoline:storage:tank Assembly:filler Pipe And Cap

CERTAIN SUBJECT VEHICLES MAY EXHIBIT LEAKAGE OF ODOR AND/OR FUELFROM THE LOWER PORTION OF THE FUEL TANK INLET FILLER PIPE (INLET CHECK VALVE).THE INLET CHECK VALVE (ICV) AND THE FUEL TANK ARE JOINED TOGETHER USING A HOT PLATE WELDING PROCESS FOR PLASTIC PARTS.GM REPORTS THAT ITS ANALYSIS OF FIELD RETURNED PARTS SHOW EVIDENCE OF PROCESS VARIATIONS FOR DIFFERENT MANUFACTURING PERIODS.THESE VARIATIONS PRODUCED SOME ICV TO FUEL TANK JOINTS WITH POOR MELT FLOW LINES.ODI'S ANALYSIS OF GM'S WARRANTY CLAIM DATA FINDS MORE FREQUENT FUEL TANK REPLACEMENTS IN THE HOTTER CLIMATE STATES.THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA07-006) TO FURTHER ASSESS THIS MATTER.

Additional source detail variants (4)

Fuel System, Gasoline

CERTAIN SUBJECT VEHICLES MAY EXHIBIT LEAKAGE OF ODOR AND/OR FUELFROM THE LOWER PORTION OF THE FUEL TANK INLET FILLER PIPE (INLET CHECK VALVE).THE INLET CHECK VALVE (ICV) AND THE FUEL TANK ARE JOINED TOGETHER USING A HOT PLATE WELDING PROCESS FOR PLASTIC PARTS.GM REPORTS THAT ITS ANALYSIS OF FIELD RETURNED PARTS SHOW EVIDENCE OF PROCESS VARIATIONS FOR DIFFERENT MANUFACTURING PERIODS.THESE VARIATIONS PRODUCED SOME ICV TO FUEL TANK JOINTS WITH POOR MELT FLOW LINES.ODI'S ANALYSIS OF GM'S WARRANTY CLAIM DATA FINDS MORE FREQUENT FUEL TANK REPLACEMENTS IN THE HOTTER CLIMATE STATES.THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA07-006) TO FURTHER ASSESS THIS MATTER.

Fuel System, Gasoline:storage

CERTAIN SUBJECT VEHICLES MAY EXHIBIT LEAKAGE OF ODOR AND/OR FUELFROM THE LOWER PORTION OF THE FUEL TANK INLET FILLER PIPE (INLET CHECK VALVE).THE INLET CHECK VALVE (ICV) AND THE FUEL TANK ARE JOINED TOGETHER USING A HOT PLATE WELDING PROCESS FOR PLASTIC PARTS.GM REPORTS THAT ITS ANALYSIS OF FIELD RETURNED PARTS SHOW EVIDENCE OF PROCESS VARIATIONS FOR DIFFERENT MANUFACTURING PERIODS.THESE VARIATIONS PRODUCED SOME ICV TO FUEL TANK JOINTS WITH POOR MELT FLOW LINES.ODI'S ANALYSIS OF GM'S WARRANTY CLAIM DATA FINDS MORE FREQUENT FUEL TANK REPLACEMENTS IN THE HOTTER CLIMATE STATES.THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA07-006) TO FURTHER ASSESS THIS MATTER.

Fuel System, Gasoline:storage:tank Assembly:filler Pipe And Cap

CERTAIN SUBJECT VEHICLES MAY EXHIBIT LEAKAGE OF ODOR AND/OR FUELFROM THE LOWER PORTION OF THE FUEL TANK INLET FILLER PIPE (INLET CHECK VALVE).THE INLET CHECK VALVE (ICV) AND THE FUEL TANK ARE JOINED TOGETHER USING A HOT PLATE WELDING PROCESS FOR PLASTIC PARTS.GM REPORTS THAT ITS ANALYSIS OF FIELD RETURNED PARTS SHOW EVIDENCE OF PROCESS VARIATIONS FOR DIFFERENT MANUFACTURING PERIODS.THESE VARIATIONS PRODUCED SOME ICV TO FUEL TANK JOINTS WITH POOR MELT FLOW LINES.ODI'S ANALYSIS OF GM'S WARRANTY CLAIM DATA FINDS MORE FREQUENT FUEL TANK REPLACEMENTS IN THE HOTTER CLIMATE STATES.THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA07-006) TO FURTHER ASSESS THIS MATTER.

Fuel System, Gasoline:storage:tank Assembly

CERTAIN SUBJECT VEHICLES MAY EXHIBIT LEAKAGE OF ODOR AND/OR FUELFROM THE LOWER PORTION OF THE FUEL TANK INLET FILLER PIPE (INLET CHECK VALVE).THE INLET CHECK VALVE (ICV) AND THE FUEL TANK ARE JOINED TOGETHER USING A HOT PLATE WELDING PROCESS FOR PLASTIC PARTS.GM REPORTS THAT ITS ANALYSIS OF FIELD RETURNED PARTS SHOW EVIDENCE OF PROCESS VARIATIONS FOR DIFFERENT MANUFACTURING PERIODS.THESE VARIATIONS PRODUCED SOME ICV TO FUEL TANK JOINTS WITH POOR MELT FLOW LINES.ODI'S ANALYSIS OF GM'S WARRANTY CLAIM DATA FINDS MORE FREQUENT FUEL TANK REPLACEMENTS IN THE HOTTER CLIMATE STATES.THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA07-006) TO FURTHER ASSESS THIS MATTER.

PE04075 · Ignition Relay Failure

Opened Nov 10, 2004 · Closed Apr 28, 2005

Status: closed (inferred from source dates) · Electrical System:ignition; Electrical System:ignition:module

ON NOVEMBER 10, 2004, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION TO INVESTIGATE THE FAILURE, MALFUNCTION, OR OTHER UNSATISFACTORY PERFORMANCE OF THE ENGINE CONTROL SYSTEM WHICH MAY RESULT IN ENGINE STALLING IN CERTAIN MODEL YEAR (MY) 2004 BUICK RENDEZVOUS (GMT250) AND PONTIAC AZTEK (GMT250) VEHICLES ALLEGEDLY CAUSED BY IGNITION RELAY FAILURE.ODI IS AWARE OF 68 NON-DUPLICATIVE COMPLAINTS AND 1092 WARRANTY CLAIMS RELATED TO THE SUBJECT ISSUE.THERE ARE NO KNOWN CRASHES RELATED TO IGNITION RELAY FAILURE ON THE SUBJECT VEHICLES.BY LETTER DATED APRIL 19, 2005, GENERAL MOTORS CORP. (GM) HAS NOTIFIED ODI THAT IT WILL CONDUCT A SAFETY RECALL (NTHSA RECALL NO. 05V-157) TO REPLACE DEFECTIVE IGNITION RELAY MODULES IN APPROXIMATELY 34,996 SUBJECT VEHICLES BUILT BETWEEN OCTOBER 13, 2003 AND MARCH 8, 2004.THIS PERIOD OF VEHICLE PRODUCTION IS ASSOCIATED WITH ESCALATED WARRANTY CLAIMS RATES AND COMPLAINTS THAT ALLEGE ENGINE STALL DUE TO IGNITION RELAY FAILURE.GM HAS IDENTIFIED PARTS SUPPLIERS WHO USED MATERIALS CONTAINING SILICONE IN THE MANUFACTURE OF SPECIFIC COMPONENTS FOR THE IGNITION RELAY MODULE.SILICONE CONTAMINATION CAN RESULT IN SILICA DEPOSITS FORMING ON THE CONTACTS AS THE RELAY SWITCHES AND THE HEAT GENERATED BY THE RESULTANT ARC CONVERTS THE SILICONE TO SILICA.SILICA BUILD-UP ON THE CONTACTS IS PROGRESSIVE AND MAY PRODUCE A VOLTAGE DROP ACROSS THE RELAY SUFFICIENT TO CAUSE AN INTERMITTENT NO-START OR ENGINE STALL CONDITION.WARRANTY ANALYSIS INDICATES THE INCIDENCE OF NO/HARD START VERSUS ENGINE STALL TO BE EQUAL.ANALYSIS OF TOWING CLAIMS AND DETAILED SERVICE RECORDS INDICATES THAT VEHICLES MAY EXPERIENCE RESTART DIFFICULTIES AFTER A STALLING INCIDENT APPROXIMATELY 20-30 PERCENT OF THE TIME.THE USE OF SILICONE MATERIALS IN THE MANUFACTURE OF THE SUBJECT IGNITION RELAY HAS BEEN DISCONTINUED.THE ACTION TAKEN BY GM IS SUFFICIENT TO RESOLVE THE ISSUES RAISED BY THIS INVESTIGATION.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.

Additional source detail variants (2)

Electrical System:ignition

ON NOVEMBER 10, 2004, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION TO INVESTIGATE THE FAILURE, MALFUNCTION, OR OTHER UNSATISFACTORY PERFORMANCE OF THE ENGINE CONTROL SYSTEM WHICH MAY RESULT IN ENGINE STALLING IN CERTAIN MODEL YEAR (MY) 2004 BUICK RENDEZVOUS (GMT250) AND PONTIAC AZTEK (GMT250) VEHICLES ALLEGEDLY CAUSED BY IGNITION RELAY FAILURE.ODI IS AWARE OF 68 NON-DUPLICATIVE COMPLAINTS AND 1092 WARRANTY CLAIMS RELATED TO THE SUBJECT ISSUE.THERE ARE NO KNOWN CRASHES RELATED TO IGNITION RELAY FAILURE ON THE SUBJECT VEHICLES.BY LETTER DATED APRIL 19, 2005, GENERAL MOTORS CORP. (GM) HAS NOTIFIED ODI THAT IT WILL CONDUCT A SAFETY RECALL (NTHSA RECALL NO. 05V-157) TO REPLACE DEFECTIVE IGNITION RELAY MODULES IN APPROXIMATELY 34,996 SUBJECT VEHICLES BUILT BETWEEN OCTOBER 13, 2003 AND MARCH 8, 2004.THIS PERIOD OF VEHICLE PRODUCTION IS ASSOCIATED WITH ESCALATED WARRANTY CLAIMS RATES AND COMPLAINTS THAT ALLEGE ENGINE STALL DUE TO IGNITION RELAY FAILURE.GM HAS IDENTIFIED PARTS SUPPLIERS WHO USED MATERIALS CONTAINING SILICONE IN THE MANUFACTURE OF SPECIFIC COMPONENTS FOR THE IGNITION RELAY MODULE.SILICONE CONTAMINATION CAN RESULT IN SILICA DEPOSITS FORMING ON THE CONTACTS AS THE RELAY SWITCHES AND THE HEAT GENERATED BY THE RESULTANT ARC CONVERTS THE SILICONE TO SILICA.SILICA BUILD-UP ON THE CONTACTS IS PROGRESSIVE AND MAY PRODUCE A VOLTAGE DROP ACROSS THE RELAY SUFFICIENT TO CAUSE AN INTERMITTENT NO-START OR ENGINE STALL CONDITION.WARRANTY ANALYSIS INDICATES THE INCIDENCE OF NO/HARD START VERSUS ENGINE STALL TO BE EQUAL.ANALYSIS OF TOWING CLAIMS AND DETAILED SERVICE RECORDS INDICATES THAT VEHICLES MAY EXPERIENCE RESTART DIFFICULTIES AFTER A STALLING INCIDENT APPROXIMATELY 20-30 PERCENT OF THE TIME.THE USE OF SILICONE MATERIALS IN THE MANUFACTURE OF THE SUBJECT IGNITION RELAY HAS BEEN DISCONTINUED.THE ACTION TAKEN BY GM IS SUFFICIENT TO RESOLVE THE ISSUES RAISED BY THIS INVESTIGATION.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.

Electrical System:ignition:module

ON NOVEMBER 10, 2004, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION TO INVESTIGATE THE FAILURE, MALFUNCTION, OR OTHER UNSATISFACTORY PERFORMANCE OF THE ENGINE CONTROL SYSTEM WHICH MAY RESULT IN ENGINE STALLING IN CERTAIN MODEL YEAR (MY) 2004 BUICK RENDEZVOUS (GMT250) AND PONTIAC AZTEK (GMT250) VEHICLES ALLEGEDLY CAUSED BY IGNITION RELAY FAILURE.ODI IS AWARE OF 68 NON-DUPLICATIVE COMPLAINTS AND 1092 WARRANTY CLAIMS RELATED TO THE SUBJECT ISSUE.THERE ARE NO KNOWN CRASHES RELATED TO IGNITION RELAY FAILURE ON THE SUBJECT VEHICLES.BY LETTER DATED APRIL 19, 2005, GENERAL MOTORS CORP. (GM) HAS NOTIFIED ODI THAT IT WILL CONDUCT A SAFETY RECALL (NTHSA RECALL NO. 05V-157) TO REPLACE DEFECTIVE IGNITION RELAY MODULES IN APPROXIMATELY 34,996 SUBJECT VEHICLES BUILT BETWEEN OCTOBER 13, 2003 AND MARCH 8, 2004.THIS PERIOD OF VEHICLE PRODUCTION IS ASSOCIATED WITH ESCALATED WARRANTY CLAIMS RATES AND COMPLAINTS THAT ALLEGE ENGINE STALL DUE TO IGNITION RELAY FAILURE.GM HAS IDENTIFIED PARTS SUPPLIERS WHO USED MATERIALS CONTAINING SILICONE IN THE MANUFACTURE OF SPECIFIC COMPONENTS FOR THE IGNITION RELAY MODULE.SILICONE CONTAMINATION CAN RESULT IN SILICA DEPOSITS FORMING ON THE CONTACTS AS THE RELAY SWITCHES AND THE HEAT GENERATED BY THE RESULTANT ARC CONVERTS THE SILICONE TO SILICA.SILICA BUILD-UP ON THE CONTACTS IS PROGRESSIVE AND MAY PRODUCE A VOLTAGE DROP ACROSS THE RELAY SUFFICIENT TO CAUSE AN INTERMITTENT NO-START OR ENGINE STALL CONDITION.WARRANTY ANALYSIS INDICATES THE INCIDENCE OF NO/HARD START VERSUS ENGINE STALL TO BE EQUAL.ANALYSIS OF TOWING CLAIMS AND DETAILED SERVICE RECORDS INDICATES THAT VEHICLES MAY EXPERIENCE RESTART DIFFICULTIES AFTER A STALLING INCIDENT APPROXIMATELY 20-30 PERCENT OF THE TIME.THE USE OF SILICONE MATERIALS IN THE MANUFACTURE OF THE SUBJECT IGNITION RELAY HAS BEEN DISCONTINUED.THE ACTION TAKEN BY GM IS SUFFICIENT TO RESOLVE THE ISSUES RAISED BY THIS INVESTIGATION.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.