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2004 Chevrolet Suburban

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2004 Chevrolet Suburban do not stand out strongly from the model-year median of 118.

About this comparison →

When problems were reported

Mileage at the reported incident

167 reports with mileage · 37 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 72 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 32 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 17 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

12 crash reports6 fire reports8 injury reports

What owners actually said

204 reports
150,000 miles · Feb 19, 2015
Electrical System

WAS DRIVING DOWN INTERSTATE LOOKED AT SPEED IT WAS PEGGED OUT WAY PAST 120 I KNOW I WAS NOT GOING THAT FAST I WAS GETTING PASSED THEN WHEN I STOPPED IT ONLY COME DOWN TO ABOUT 110 SAYS U R RUNNING 100 SITTING STILL. *TR

NHTSA ODI #10684214

90,000 miles · Nov 16, 2014
Electrical SystemEngineSeats

1ST COMPLAINT: AFTER PASSING A VEHICLE ON A HIGHWAY (THIS REQUIRED THE SUBURBAN TO GO INTO THE PASSING GEAR), THE SUBURBAN'S ELECTRICAL SYSTEM AND ENGINE AUTOMATICALLY SHUT DOWN RIGHT ON THE HIGHWAY. I WAS FORCED TO IMMEDIATELY PULL OVER IN ORDER TO AVOID BE HIT BY PASSING VEHICLE. AFTER WAITING APPROXIMATELY 5 MINUTES, THE SU…

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1ST COMPLAINT: AFTER PASSING A VEHICLE ON A HIGHWAY (THIS REQUIRED THE SUBURBAN TO GO INTO THE PASSING GEAR), THE SUBURBAN'S ELECTRICAL SYSTEM AND ENGINE AUTOMATICALLY SHUT DOWN RIGHT ON THE HIGHWAY. I WAS FORCED TO IMMEDIATELY PULL OVER IN ORDER TO AVOID BE HIT BY PASSING VEHICLE. AFTER WAITING APPROXIMATELY 5 MINUTES, THE SUBURBAN STARTED UP AGAIN. WE STARTED DRIVING AGAIN BUT AGAIN ONCE I TRIED TO ACCELERATE OR PASS ANOTHER VEHICLE THE SUBURBAN WOULD SHUT DOWN AGAIN. AUTO MECHANIC HAS NOT BEEN ABLE TO IDENTIFY WHAT CAUSES THE VEHICLE TO DO THIS. VERY FRUSTRATING AND DANGEROUS IF THIS HAPPENS ON A BUSY HIGHWAY OR FREEWAY. 2ND COMPLAINT: CLUSTER PANEL WENT HAYWIRE. SPEEDOMETER STOPPED WORKING, OIL GAUGE NOT READING PROPERLY ETC. EVENTUALLY, THE ENTIRE CLUSTER PANEL SHUT DOWN. HAD TO REPLACE IT AT A COST OF ABOUT $500. 3RD COMPLAINT: DRIVERS SEAT FUNCTIONS AND HEATING MECHANISIM MALFUNCTIONED. THE DRIVERS HEATED SEAT STOPPED WORKING AND THE SEAT CONTROLS MALFUNCTIONED. THE SOME OF THE DRIVERS SEAT CONTROLS STOPPED WORKING OR ARE REVERSED. EXAMPLE; WHEN YOU PUSH THE LEVER TO MOVE THE SEAT FORWARD IT GOES BACKWARD AND VIS VERSA. THE DRIVERS SIDE HEATED SEAT STOPPED WORKING AND IT WILL CANCEL OUT THE PASSENGERS SIDE HEATED SEAT. EXAMPLE; IF THE PASSENGER SIDE HEATED SEAT IS SELECTED, IT WORKS BUT ONCE YOU SELECT THE DRIVERS SIDE HEATED SEAT IT WILL CANCEL OUT THE PASSENGER SIDE AND THE DRIVERS SIDE STILL DOESN'T WORK. AUTO MECHANIC CLAIMED THE DRIVERS SIDE HEATED SEAT ELEMENT WAS BAD. HAD IT REPLACED AT A COST OF $300 BUT STILL DID NOT SOLVE THE PROBLEM. THE ORIGINAL HEATED SEAT ELEMENT WAS NOT BAD EITHER. *TR

NHTSA ODI #10655267

85,000 miles · Nov 10, 2014
Service Brakes

STARTED DRIVING AND WITHIN 5 MIN, I LOST ALL BRAKES. WAS ABLE TO GET TO A LOCAL SERVICE STATION WHERE THEY DISCOVERED THAT THE BRAKE LINES HAD RUSTED AND DRAINED NEARLY ALL FLUID. HAD LINES REPLACED WITH STAINLESS STEEL LINES FOR MEGA BUCKS. RUSTED LINES BURST AT ONE POINT, HOWEVER, RUST/CORROSION WAS PRESENT AT SEVERAL POIN…

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STARTED DRIVING AND WITHIN 5 MIN, I LOST ALL BRAKES. WAS ABLE TO GET TO A LOCAL SERVICE STATION WHERE THEY DISCOVERED THAT THE BRAKE LINES HAD RUSTED AND DRAINED NEARLY ALL FLUID. HAD LINES REPLACED WITH STAINLESS STEEL LINES FOR MEGA BUCKS. RUSTED LINES BURST AT ONE POINT, HOWEVER, RUST/CORROSION WAS PRESENT AT SEVERAL POINTS IN THE SYSTEM. DID NOT SEE ANY RECALL OR NOTICE TO THE DEFECTIVE OR SUBSTANDARD BRAKE LINES IN 2004 CHEVY SUBURBANS. OLD LINES APPEARED TO BE CHEAP POT METAL. I AM THE ONLY OWNER OF THIS VEHICLE AND HAVE DONE ALL REQUIRED MAINTENANCE. *TR

NHTSA ODI #10653769

183,421 miles · Oct 16, 2014
Service Brakes

WHILE DRIVING IN HEAVY MORNING RUSH HOUR TRAFFIC ON A NORTHERN VIRGINIA INTERSTATE, BRAKES WERE APPLIED FOR TYPICAL TRAFFIC SLOWDOWN. AFTER RELEASING THE BRAKE, THE WARNING LIGHT ALERTING DRIVER OF A BRAKE ISSUE CAME ON. AT THAT POINT, I TESTED THE BRAKE AND THE PEDDLE SUNK TO THE FLOOR WHILE QUICKLY LOOSING BRAKING RESISTANCE…

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WHILE DRIVING IN HEAVY MORNING RUSH HOUR TRAFFIC ON A NORTHERN VIRGINIA INTERSTATE, BRAKES WERE APPLIED FOR TYPICAL TRAFFIC SLOWDOWN. AFTER RELEASING THE BRAKE, THE WARNING LIGHT ALERTING DRIVER OF A BRAKE ISSUE CAME ON. AT THAT POINT, I TESTED THE BRAKE AND THE PEDDLE SUNK TO THE FLOOR WHILE QUICKLY LOOSING BRAKING RESISTANCE. I WAS ABLE TO PULL OVER AND STOP THE VEHICLE WITHIN ABOUT A MILE. LOOKED UNDERNEATH THE DRIVERS SIDE AND SAW BRAKE FLUID LEAKING/DRIPPING OUT OF THE BRAKE LINE WHICH WAS RUPTURED. HAD TO CALL A TOW TRUCK TO TAKE THIS TO A SHOP FOR REPLACEMENT OF ALL OF THE BRAKE LINES. ALL OF THE LINES WERE CORRODED. CHECKED ONLINE AND SAW THAT THIS WAS A "TYPICAL" ISSUE AFFECTING 2004 CHEVY SUBURBANS BUT THAT A PRODUCT RECALL WAS NOT ISSUED YET. I WAS THANKFUL THAT THIS DID NOT HAPPEN THE PREVIOUS DAY WHEN MY 16 YR OLD DAUGHTER DROVE THE CAR TO SCHOOL. *TR

NHTSA ODI #10648223

164,900 miles · Oct 8, 2014
Electrical SystemVehicle Speed Control

AT FIRST I GOT A CHECK ENGINE LIGHT ON WITH CODE P0430, O2 SENSOR LOWER BANK 2, THEN BANK 1. REPLACED THOSE TWO WORK FOR A WEEK THEN RPM AND SPEEDOMETER GAUGE FLUCTUATE UP AND DOWN. I DROVE HOME FROM THE AIRPORT ONE NIGHT AND ALL GAUGE READING WENT ALL THE WAY UP. I WAS TRAVELING ON AN INTERSTATE WITH A SPEED LIMITED OF 55MPH A…

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AT FIRST I GOT A CHECK ENGINE LIGHT ON WITH CODE P0430, O2 SENSOR LOWER BANK 2, THEN BANK 1. REPLACED THOSE TWO WORK FOR A WEEK THEN RPM AND SPEEDOMETER GAUGE FLUCTUATE UP AND DOWN. I DROVE HOME FROM THE AIRPORT ONE NIGHT AND ALL GAUGE READING WENT ALL THE WAY UP. I WAS TRAVELING ON AN INTERSTATE WITH A SPEED LIMITED OF 55MPH AND THE READING IN MY CAR WAS OVER 120MPH. TOOK TO IN SHOP, SHOP RECOMMEND I NEED SPEEDOMETER SENSOR REPLACED. REPLACED THAT, NOW ALL THE INSTRUMENT GAUGE JUMP UP AND DOWN. SOMETIME ALL THE WAY FULL SOMETIME ALL THE WAY DOWN. FINALLY GOT TIRE OF TRYING TO FIX IT MYSELF AND TOOK THE CAR TO THE DEALER AND THEY FOUND OUT IT WAS A BAD DASH INSTRUMENT AND BAD CATYLETE-CONVETER. THANKS TO CHEVY IT COST ME HEADACHE, GUESSING TIME, GIVING FALSE READING AND MOST OF ALL THOUSANDS OF DOLLARS TO GET IT FIX RIGHT. *TR

NHTSA ODI #10643439

78,000 miles · Sep 29, 2014
Service Brakes

OBVIOUS CORROSION ON BRAKE LINES OF 2004 CHEVY SUBURBAN. BY JUST APPLYING THE BRAKE FOR FEW TIMES, THE BRAKE FLUID IS GUSHING UNDERNEATH THE DRIVER SIDE (BETWEEN THE FRONT AND REAR WHEELS). ALSO NOTICE RUSTING BRAKE LINES UP TO THE ENGINE HOOD (THIS THING SHOULD DEFINITELY NOT HAPPENED, I NEVER HAD A PROBLEM LIKE THIS BEFORE IN…

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OBVIOUS CORROSION ON BRAKE LINES OF 2004 CHEVY SUBURBAN. BY JUST APPLYING THE BRAKE FOR FEW TIMES, THE BRAKE FLUID IS GUSHING UNDERNEATH THE DRIVER SIDE (BETWEEN THE FRONT AND REAR WHEELS). ALSO NOTICE RUSTING BRAKE LINES UP TO THE ENGINE HOOD (THIS THING SHOULD DEFINITELY NOT HAPPENED, I NEVER HAD A PROBLEM LIKE THIS BEFORE IN ANY VEHICLE I HAD OWNED, BRAKE LINES SHOULD LAST EVEN BEYOND THE LIFETIME OF THE VEHICLE!). I ALSO INFORMED CHEVY (TEL: 800-222-1020)ABOUT THIS LIFE SAFETY FAILURE, THIS IS A VERY SERIOUS DEFECT AND CHEVY MUST ISSUE A RECALL ON THIS CORROSION PROBLEM ON BRAKE LINES. *TR

NHTSA ODI #10639826

109,000 miles · Sep 4, 2014
Engine

GM TSB 06-06-019B GRADUAL COOLANT LOSS (JUNE 2007) MY VEHICLE IS SHOWING SIGNS OF COOLANT LOSS. SAMPLED OIL VIA CATERPILLAR, RESULTS SHOW COOLANT IN OIL. CHANGED OIL AND FOUND SLUDGE IN OIL FILTER. BOUGHT VEHICLE FROM A DEALER "AS IS-NO WARRANTY" . CANNOT BELIEVE A PROFESSIONAL SHOP "MISSED THIS" ON THEIR VEHICLE INSPECTION/P…

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GM TSB 06-06-019B GRADUAL COOLANT LOSS (JUNE 2007) MY VEHICLE IS SHOWING SIGNS OF COOLANT LOSS. SAMPLED OIL VIA CATERPILLAR, RESULTS SHOW COOLANT IN OIL. CHANGED OIL AND FOUND SLUDGE IN OIL FILTER. BOUGHT VEHICLE FROM A DEALER "AS IS-NO WARRANTY" . CANNOT BELIEVE A PROFESSIONAL SHOP "MISSED THIS" ON THEIR VEHICLE INSPECTION/PREP FOR RE-SALE. WILL BE TAKING TO DIFFERENT DEALER FOR COOLANT PRESSURE TEST 09.09.14 TO VERIFY WHAT I ALREADY KNOW. MY VEHICLE HAS THE CASTECH CYLINDER HEADS. THIS IS A REPAIR THAT I CANNOT PAY FOR OUT OF POCKET AT THIS TIME. I'M HOPING FOR OUT OF WARRANTY ASSISTANCE TO HELP W THIS REPAIR. FOUND THOUSANDS OF COMPLAINTS REGARDING THIS ISSUE ON-LINE AND IN GM FORUMS. SOMEONE WILL EVENTUALLY HAVE AN ENGINE SEIZE OR CATCH FIRE ON THEM. *TR

NHTSA ODI #10630904

115,000 miles · Jul 17, 2014
Electronic Stability Control (esc)Service Brakes

I WAS DRIVING AT HIGHWAY SPEED JUST STARTING TO EXIT OFF RAMP BRAKES WENT TO THE FLOOR AND DASH LIGHTS CAME ON FOR BRAKES,ALSO STABILITY LOSS MESSAGE CAME ON. COULD HAVE BEEN KILLED OR HAD SERIOUS ACCIDENT.LUCKY DID NOT BUT IS A VERY SERIOUS ISSUE.BROUGHT TO SHOP AND WAS TOLD AND SHOWN ALL BRAKE LINES WERE RUSTED REAL BAD AND ON…

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I WAS DRIVING AT HIGHWAY SPEED JUST STARTING TO EXIT OFF RAMP BRAKES WENT TO THE FLOOR AND DASH LIGHTS CAME ON FOR BRAKES,ALSO STABILITY LOSS MESSAGE CAME ON. COULD HAVE BEEN KILLED OR HAD SERIOUS ACCIDENT.LUCKY DID NOT BUT IS A VERY SERIOUS ISSUE.BROUGHT TO SHOP AND WAS TOLD AND SHOWN ALL BRAKE LINES WERE RUSTED REAL BAD AND ONE BROKE OPEN WHILE I WAS EXITING THAT OFF RAMP.I CALLED GM BUT THEY DID NOTHING! I WAS VERY UPSET WITH THIS AND FEEL THIS SHOULD BE BROUGHT TO THE ATTENTION OF SOMEONE WHO WILL REALLY LOOK INTO THIS FOR THE SAFETY OF ALL.ALSO MY 1997 CHEVY CONVERSION VAN,AND MY HUSBANDS 2005 CHEVY SILVERADO THE SAME THING HAPPENED TO THOSE BRAKE LINES WHILE DRIVING BROKE OPEN DUE TO RUST,LOSING BRAKES WHILE DRIVING.VAN MILEAGE WAS 70000,AND SILVERADO MILEAGE WAS 75000.THIS IS SO DANGEROUS I URGE YOU TO PLEASE CHECK INTO IT BEFORE SOMEONE GETS KILLED.I RECENTLY SAW ON THE NEWS THAT SUBURU RECALLED CARS IN NORTHERN STATES FOR RUSTED BRAKE LINES SAME AS THIS.GM SHOULD BE DOING THE SAME. *TR

NHTSA ODI #10611398

75,000 miles · Jun 30, 2014
EngineVehicle Speed Control

I WAS TRAVELING DOWN THE ROAD AT 60 MPH WHEN THE DISPLAY SAID "REDUCED ENGINE POWER" AND MY VEHICLE DECREASED IN POWER. IT DIDN'T MATTER HOW MUCH I PRESSED THE ACCELERATOR THE CAR WOULD ONLY GO 10 MILES AN HOUR. I PULLED OVER, CHECKED UNDER THE HOOD, EVERYTHING LOOKED FINE. STARTED IT AGAIN, IT DROVE FINE FOR ABOUT 2 MILES TH…

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I WAS TRAVELING DOWN THE ROAD AT 60 MPH WHEN THE DISPLAY SAID "REDUCED ENGINE POWER" AND MY VEHICLE DECREASED IN POWER. IT DIDN'T MATTER HOW MUCH I PRESSED THE ACCELERATOR THE CAR WOULD ONLY GO 10 MILES AN HOUR. I PULLED OVER, CHECKED UNDER THE HOOD, EVERYTHING LOOKED FINE. STARTED IT AGAIN, IT DROVE FINE FOR ABOUT 2 MILES THEN THE SAME MESSAGE WAS DISPLAYED. I TURNED AROUND AND HEADED HOME DRIVING 10 MILES AN HOUR. *TR

NHTSA ODI #10607228

125,000 miles · Jun 30, 2014
Electronic Stability Control (esc)Service Brakes

I HAD THE VEHICLE IN PARK, ON A HILL, AND WHEN I SHIFTED IT INTO DRIVE, FELT A POP IN THE PEDAL. THEN THE BRAKES WOULD NOT HOLD THE VEHICLE. I HAD A VERY DIFFICULT TIME STOPPING THE VEHICLE DUE TO THE LOSS OF BRAKE PRESSURE. THE BRAKES PEDAL WOULD JUST FALL TO THE FLOOR. MY HUSBAND CAME OUT AND FOUND ONE OF THE REAR BRAKE LINES…

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I HAD THE VEHICLE IN PARK, ON A HILL, AND WHEN I SHIFTED IT INTO DRIVE, FELT A POP IN THE PEDAL. THEN THE BRAKES WOULD NOT HOLD THE VEHICLE. I HAD A VERY DIFFICULT TIME STOPPING THE VEHICLE DUE TO THE LOSS OF BRAKE PRESSURE. THE BRAKES PEDAL WOULD JUST FALL TO THE FLOOR. MY HUSBAND CAME OUT AND FOUND ONE OF THE REAR BRAKE LINES WAS RUSTED AND LEAKING FLUID. THE BRAKE LINES HAVE VISIBLE RUST ON THE OUTSIDE OF THEM. *TR

NHTSA ODI #10607218

Official recalls

4

06V289000 · Engine And Engine Cooling

Aug 3, 2006

ON CERTAIN TRUCKS EQUIPPED WITH AN 8.1L V8 (RPO L8-VIN G) ENGINE HAVE A CONDITION IN WHICH THE ENGINE FUEL RAIL PULSE DAMPER RETAINER CLIP MAY FRACTURE RESULTING IN INADEQUATE RETENTION OF THE DAMPER.

Consequence & remedy

Consequence: IF THE DAMPER COMES LOOSE, A FUEL LEAK MAY RESULT. FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.

Remedy: DEALERS WILL REPLACE THE ENGINE FUEL RAIL PULSE DAMPER RETAINER CLIP FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 31, 2006. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 AND GMC TRUCKS AT 1-866-996-9463.

05V163000 · Seat Belts:rear/other

Apr 22, 2005

ON CERTAIN CREW CAB PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE 2ND ROW CENTER OCCUPANT SEAT BELT ROUTING MAY MAKE IT DIFFICULT TO POSITION THE LAP PORTION OF THE SAFETY BELT LOW AROUND THE HIPS OF OCCUPANTS, ESPECIALLY SMALLER OCCUPANTS, SEATED IN THIS POSITION. APPROPRIATE USE OF A CHILD SEAT OR BOOSTER SEAT, AS RECOMMENDED FOR SMALL CHILDREN, DOES IMPROVE THE FIT CONDITION FOR THIS USER GROUP. IN ADDITION TO INSTRUCTIONS ON PROPER INFANT AND YOUNG CHILD RESTRAINT (WITH CHILD SEATS OR BOOSTERS), SPECIAL VERBIAGE FOR RESTRAINING OLDER CHILD IS INCLUDED IN THE OWNER'S MANUAL. ALSO, THE SUGGESTED SEAT BELT FIT/ROUTING FOR ADULTS, IRRESPECTIVE OF SEATING POSITION, IS DESCRIBED IN THE OWNER'S MANUAL TEXT.

Consequence & remedy

Consequence: A LAP PORTION OF THE SEAT BELT ROUTING THAT IS NOT LOW AND SNUG ON THE HIPS CAN ALLOW THE LAP BELT TO RIDE UP ON AN OCCUPANT'S ABDOMEN INSTEAD OF FITTING LOW AROUND THEIR HIPBONES, AND THEREFORE, CAN EXPOSE THEM TO MORE RISK OF ABDOMINAL AND INTERNAL ORGAN INJURY.

Remedy: DEALERS WILL CUT OPEN THE GUIDE LOOP, REMOVE A PORTION OF THE LOOP, AND THEN THE REMAINING TWO SIDES SHOULD BE FOLDED OVER AND SECURED WITH A RETAINER FREE OF CHARGE. THE RECALL BEGAN ON JULY 21, 2005. OWNERS MAY CONTACT CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, OR HUMMER AT 1-800-732-5493.

05V043000 · Service Brakes, Hydraulic

Feb 8, 2005

CERTAIN TRUCKS, SPORT UTILITY VEHICLES, AND VANS EQUIPPED WITH BOSCH HYDRO-BOOST BRAKE ASSEMBLIES, THE HYDRAULIC BRAKE BOOSTER PRESSURE ACCUMULATOR MAY CRACK AND SEPARATE FROM THE HYDRO-BOOST ASSEMBLY DURING NORMAL OPERATING CONDITIONS.

Consequence & remedy

Consequence: IF A SEPARATION OCCURRED AND THE HOOD OF THE VEHICLE WERE OPEN, FRAGMENTS FROM THE ACCUMULATOR COULD CAUSE INJURY TO PEOPLE IN THE IMMEDIATE AREA. THE PRESENCE OF THIS CRACK OR FRACTURED SURFACE COULD ALLOW THE HYDRAULIC FLUID TO LEAK FROM THE ACCUMULATOR CIRCUIT OF THE BOOSTER ASSEMBLY. THE LOSS OF FLUID WOULD CAUSE INCREASED STEERING AND BRAKING EFFORT AND A CRASH MAY OCCUR WITHOUT PRIOR WARNING.

Remedy: DEALERS WILL TEST THE HYDRO-BOOST ASSEMBLY FOR FUNCTIONAL OPERATION OF THE TWO-FUNCTION VALVE. IF THE HYDRO-BOOST ASSEMBLY FAILS THE TEST, DEALERS WILL REPLACE THE ASSEMBLY FREE OF CHARGE. THE RECALL BEGAN ON MARCH 23, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC TRUCKS AT 1-866-996-9463 AND HUMMER AT 1-800-732-5493.

04V045000 · Service Brakes, Hydraulic

Feb 4, 2004

CERTAIN SPORT UTILITY VEHICLES, PICKUP TRUCKS, AND PASSENGER VANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 135, ?PASSENGER CAR BRAKE SYSTEMS.? SOME OF THESE VEHICLES WERE PRODUCED WITH AN OUT-OF-SPECIFICATION BRAKE HYDRO-BOOST HOUSING RELIEF VALVE BORE.

Consequence & remedy

Consequence: CONSEQUENTLY, THE VALVE O-RING SEAL MAY FRACTURE. STEERING EFFORTS MAY BE SLIGHTLY INCREASED WHILE BRAKING OR PARKING. UNDER CERTAIN DRIVING CONDITIONS, A FRACTURED SEAL MAY REQUIRE A SLIGHT INCREASE IN THE APPLIED BRAKE PEDAL EFFORT TO ACHIEVE THE SAME VEHICLE DECELERATION RATE AS PRIOR TO THE SEAT FRACTURE.

Remedy: DEALERS ARE TO REPLACE THE HYDRO-BOOST RELIEF VALVE. THE RECALL BEGAN ON JUNE 18, 2004. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2339; CHEVROLET AT 1-800-630-2438; GMC AT 1-866-996-9463; OR HUMMER AT 1-866-486-6376.

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

1

EA04012 · Hydraulic Pump Failres

Opened Apr 30, 2004 · Closed Feb 28, 2005

Status: closed (inferred from source dates) · Service Brakes, Hydraulic:power Assist; Steering:hydraulic Power Assist System

GM IS CONDUCTING A RECALL ON ALL SUBJECT VEHICLES BUILD BETWEEN MAY 1999 AND OCTOBER 14, 1999.SIGNIFICANT CHANGES WERE INCORPORATED INTO PRODUCTION IN EARLY OCTOBER 1999, AND VEHICLES BUILT AFTER THAT DATE HAVE LOWER WARRANTY FAILURE RATES.THE COMPLAINT AND WARRANTY DATA APPEAR TO SUPPORT THE EFFECTIVENESS OF THESE CHANGES. GM MADE ADDITIONAL CHANGES IN NOVEMBER 1999, FEBRUARY 2000, MAY 2001, AND FEBRUARY 2004.ODI WILL CONTINUE TO MONITOR THIS PROBLEM AND WILL TAKE FURTHER ACTION, IF WARRANTED, IN THE FUTURE.FOR FURTHER TECHNICAL DETAILS SEE THE ATTACHED ENGINEERING ANALYSIS REPORT.

Additional source detail variants (2)

Service Brakes, Hydraulic:power Assist

GM IS CONDUCTING A RECALL ON ALL SUBJECT VEHICLES BUILD BETWEEN MAY 1999 AND OCTOBER 14, 1999.SIGNIFICANT CHANGES WERE INCORPORATED INTO PRODUCTION IN EARLY OCTOBER 1999, AND VEHICLES BUILT AFTER THAT DATE HAVE LOWER WARRANTY FAILURE RATES.THE COMPLAINT AND WARRANTY DATA APPEAR TO SUPPORT THE EFFECTIVENESS OF THESE CHANGES. GM MADE ADDITIONAL CHANGES IN NOVEMBER 1999, FEBRUARY 2000, MAY 2001, AND FEBRUARY 2004.ODI WILL CONTINUE TO MONITOR THIS PROBLEM AND WILL TAKE FURTHER ACTION, IF WARRANTED, IN THE FUTURE.FOR FURTHER TECHNICAL DETAILS SEE THE ATTACHED ENGINEERING ANALYSIS REPORT.

Steering:hydraulic Power Assist System

GM IS CONDUCTING A RECALL ON ALL SUBJECT VEHICLES BUILD BETWEEN MAY 1999 AND OCTOBER 14, 1999.SIGNIFICANT CHANGES WERE INCORPORATED INTO PRODUCTION IN EARLY OCTOBER 1999, AND VEHICLES BUILT AFTER THAT DATE HAVE LOWER WARRANTY FAILURE RATES.THE COMPLAINT AND WARRANTY DATA APPEAR TO SUPPORT THE EFFECTIVENESS OF THESE CHANGES. GM MADE ADDITIONAL CHANGES IN NOVEMBER 1999, FEBRUARY 2000, MAY 2001, AND FEBRUARY 2004.ODI WILL CONTINUE TO MONITOR THIS PROBLEM AND WILL TAKE FURTHER ACTION, IF WARRANTED, IN THE FUTURE.FOR FURTHER TECHNICAL DETAILS SEE THE ATTACHED ENGINEERING ANALYSIS REPORT.