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2004 Chevrolet Silverado

Owner reports · Recalls · Investigations

More warning signs than most Silverado years

Owner complaints for the 2004 Chevrolet Silverado are substantially higher than the model-year median of 76.

About this comparison →

When problems were reported

Mileage at the reported incident

519 reports with mileage · 103 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 159 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 122 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 84 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

56 crash reports10 fire reports30 injury reports

What owners actually said

622 reports
20,000 miles · Aug 3, 2005
Engine And Engine Cooling

WHILE PULLING MY TRAILER MY TRUCK OVERHEATS AND WHEN IT GETS HOT IT WILL TAKE ALL THE POWER FROM THE MOTOR MAKING A HAZARD AND A SAFETY ISSUE. I HAVE BEEN TAKING IT TO THE DEALER FOR ONE YEAR AND THE SAY NOTHING IS WRONG WITH IT. *NM

NHTSA ODI #10131472

1,539 miles · Aug 2, 2005
Engine And Engine Cooling

2004.5 CHEVY SILVERADO 2500 DURAMAX OVERHEATS ON SEVERAL OCCASIONS TO 258 DEG WHILE TOWING 9000LB TRAILER 2 TIMES TRANSMISSIONS HAS GONE TO 270 DEG AND HAS GONE INTO A PROTECTIVE MODE WHILE CLIMBING A HILL CAUSING US TO NEARLY GET REAR ENDED DUE TO NO PLACE TO PULL OVER AND EXTREMELY SLOW SPEEDS TOOK TO DEALER 6 TIMES WITH NO F…

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2004.5 CHEVY SILVERADO 2500 DURAMAX OVERHEATS ON SEVERAL OCCASIONS TO 258 DEG WHILE TOWING 9000LB TRAILER 2 TIMES TRANSMISSIONS HAS GONE TO 270 DEG AND HAS GONE INTO A PROTECTIVE MODE WHILE CLIMBING A HILL CAUSING US TO NEARLY GET REAR ENDED DUE TO NO PLACE TO PULL OVER AND EXTREMELY SLOW SPEEDS TOOK TO DEALER 6 TIMES WITH NO FIX. DEALER REFUSES TO GO ON ROAD TEST AND SAYS VEHICLE IS OPERATING NORMALLY THIS PRESENTS AND IMMEDIATE DANGER DUE TO SLOW SPEEDS, POSSIBILITY OF A FIRE AND THE DAMAGE TO MY TRUCK FROM OVER HEATING. *JB

NHTSA ODI #10131186

2,689 miles · Aug 2, 2005
Service Brakes, Hydraulic

IN JUNE, 2004, MR. WOLD BEGAN EXPERIENCING MECHANICAL PROBLEMS HIS 2004 CHEVY SILVERADO TRUCK. TO BEGIN WITH, THE ABS BRAKE LIGHT IN THE NEW SILVERADO CAME ON AND INTERMITTENTLY STAYED ON. IN JULY OF 2004, MR. WOLD TOOK TRUCK FOR SERVICING AT RIVERSIDE AUTO CENTER IN BONNERS FERRY, IDAHO FOR INVESTIGATION OF THIS PROBLEM WITH N…

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IN JUNE, 2004, MR. WOLD BEGAN EXPERIENCING MECHANICAL PROBLEMS HIS 2004 CHEVY SILVERADO TRUCK. TO BEGIN WITH, THE ABS BRAKE LIGHT IN THE NEW SILVERADO CAME ON AND INTERMITTENTLY STAYED ON. IN JULY OF 2004, MR. WOLD TOOK TRUCK FOR SERVICING AT RIVERSIDE AUTO CENTER IN BONNERS FERRY, IDAHO FOR INVESTIGATION OF THIS PROBLEM WITH NO SUCCESS. IN EARLY DECEMBER 2004, THE ABS LIGHT CONTINUED TO COME ON AND THE BRAKES WERE NOW NOT FUNCTIONING PROPERLY. THE FIRST TIME THAT THE BRAKES ON THE TRUCK FAILED, MR. WOLD WAS EXITING HIS DRIVEWAY. FORTUNATELY, THE SURFACE WAS FAIRLY FLAT AND MR. WOLD WAS ABLE TO COAST TO A STOP. AFTER EXAMINING THE TRUCK FOR ANY OUTWARD SIGNS OF BRAKE FAILURE, MR. WOLD TOOK THE VEHICLE IN FOR SERVICING. THE SECOND TIME THAT THE BRAKES FAILED ON THE 2004 SILVERADO, THE SITUATION WAS A SERIOUS THREAT TO LIFE AND PROPERTY. MR. WOLD WAS PULLING A FOUR (4) HORSE TRAILER AND COMING DOWN A HILL TOWARDS THE TOWN OF BONNERS FERRY. THE SPEED LIMIT ON THIS PARTICULAR GRADE DECREASES FROM 60 TO 45 AND THEN AGAIN, TO 35. AS MR. WOLD BEGAN TO BRAKE FROM 45 TO 35, ONCE AGAIN THE BRAKE PEDAL WAS PUSHED ALL THE WAY TO THE FLOOR AND THERE WAS NO RESPONSE. LUCKILY, IT WAS A SUNDAY AFTERNOON AND THERE WAS LITTLE TRAFFIC ON THE ROAD. AS MR. WOLD FRANTICALLY ROLLED THROUGH A BYPASS THROUGH THE TOWN OF BONNERS FERRY, HE ATTEMPTED TO ENGAGE THE BRAKES AGAIN, AND FORTUNATELY, THEY ENGAGED AFTER HE HAD ILLEGALLY AND UNSAFELY ROLLED THROUGH THE MIDDLE OF A BYPASS THROUGH TOWN. AGAIN, MR. WOLD TOOK THE VEHICLE IN FOR SERVICING AND REPAIR. THE LAST, FRIGHTENING EPISODE OF BRAKE FAILURE OCCURRED IN THE EVENING, AFTER MR. WOLD WAS DRIVING HOME FROM WORK. AGAIN, AS HE DECELERATED AND LIGHTLY APPLIED HIS BRAKES WHILE COMING INTO TOWN, THE BRAKES WERE NON RESPONSIVE. AFTER THIS LAST EPISODE, MR. WOLD DOUBTED THE SAFETY OF THE BRAKES ON HIS NEW TRUCK AND FEARED THAT THE BRAKES WOULD NOT FUNCTION PROPERLY AND KILL HIM OR SOMEBODY ELSE. *NM

NHTSA ODI #10131064

Mileage unknown · Jul 29, 2005
Wheels

DT: CONSUMER STATED WHILE DRIVING ON I-66, AROUND MILE MARKER 58, THE TIRE BLEW OUT. THIS HAPPENED AT 6:45 AM. CONSUMER FELT THE STEERING WHEEL SHOOK, AND HE FELT THE REAR OF THE VEHICLE WOULD FALL. THIS WAS THE DRIVER'S SIDE REAR TIRE. THE TIRES HAD BEEN ROTATED APPROXIMATELY 2 WEEKS AGO. THE TIRE WAS PREVIOUSLY ON THE …

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DT: CONSUMER STATED WHILE DRIVING ON I-66, AROUND MILE MARKER 58, THE TIRE BLEW OUT. THIS HAPPENED AT 6:45 AM. CONSUMER FELT THE STEERING WHEEL SHOOK, AND HE FELT THE REAR OF THE VEHICLE WOULD FALL. THIS WAS THE DRIVER'S SIDE REAR TIRE. THE TIRES HAD BEEN ROTATED APPROXIMATELY 2 WEEKS AGO. THE TIRE WAS PREVIOUSLY ON THE FRONT DRIVER'S SIDE. CONSUMER HAD A PICTURE THAT HE WILL SEND IN. THE ENTIRE SIDEWALL BLEW OUT. THIS OCCURRED ON A 2004, CHEVROLET SILVERADO. THIS WAS THE ORIGINAL TIRE FOR THE VEHICLE. CONSUMER CONTACTED CHEVROLET THAT HE HAD BEEN DISSATISFIED WITH GENERAL TIRES IN THE PAST, AND TRIED TO HAVE THE DEALERSHIP CHANGE THEM AT THE TIME OF PURCHASE. *AK

NHTSA ODI #10130597

22,000 miles · Jul 21, 2005
Engine And Engine Cooling

2004.5 LLY 2500HD SILVERADO DURAMAX TOWING 1700 LUND PROSPORT IN ~85 DEGREE AMBIENT. I WAS REQUIRED TO TURN OF THE A/C AND LIMIT THE POWER AS THE ENGINE TEMP CONTINUED TO CLIMB BEYOND 210 AND INTO THE 235-240 DEGREE RANGE. THIS IS A CONSTANT PROBELM WITH THIS ENGINE UNDER MINIMAL LOAD. DEALER HAS NO FIX FOR THIS TRUCK WHICH I…

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2004.5 LLY 2500HD SILVERADO DURAMAX TOWING 1700 LUND PROSPORT IN ~85 DEGREE AMBIENT. I WAS REQUIRED TO TURN OF THE A/C AND LIMIT THE POWER AS THE ENGINE TEMP CONTINUED TO CLIMB BEYOND 210 AND INTO THE 235-240 DEGREE RANGE. THIS IS A CONSTANT PROBELM WITH THIS ENGINE UNDER MINIMAL LOAD. DEALER HAS NO FIX FOR THIS TRUCK WHICH IS STILL UNDER WARRANTY AND GM KEEPS SAYING THEY ARE WORKING ON THE PROBLEM. IF I CONTINUED OPERATING MY TRUCK AS NORMAL THE ENGINE WOULD SUSTAIN OVERHEATING DAMAGE THUS CAUSING GREAT DAMAGE TO COMPONENTS FURTHER DOWN THE ROAD.

NHTSA ODI #10129583

16,000 miles · Jul 17, 2005
Fuel System, Gasoline

3 TIMES WHILE CLIMBING A HILL, THE ENGINE HAS SUDDENLY, WITHOUT WARNING, LOST ALL POWER, THEN DIED LEAVING ME COASTING DOWN THE HIGHWAY. ENGINE IS VERY HARD TO RESTART, BUT WILL RESTART IF IT SITS FOR A FEW MINUTES. IF THIS WERE TO OCCUR IN AN AREA WHERE I CANNOT GET OFF THE HIGHWAY, OR WHILE PASSING SOMEONE, IT COULD BE CATAS…

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3 TIMES WHILE CLIMBING A HILL, THE ENGINE HAS SUDDENLY, WITHOUT WARNING, LOST ALL POWER, THEN DIED LEAVING ME COASTING DOWN THE HIGHWAY. ENGINE IS VERY HARD TO RESTART, BUT WILL RESTART IF IT SITS FOR A FEW MINUTES. IF THIS WERE TO OCCUR IN AN AREA WHERE I CANNOT GET OFF THE HIGHWAY, OR WHILE PASSING SOMEONE, IT COULD BE CATASTROPHIC. THIS HAS ALWAYS OCCURED WHILE CLIMBING A HILL. WAS RETURNED TO GM DEALER AFTER THE FIRST OCCURANCE, THEY STATED IT SHOWED A LEAN CODE, THEY HAD NO IDEA WHAT TO DO. A WEEK LATER, IT STALLED TWICE ON ONE TRIP. WAS RETURNED TO GM DEALER AGAIN, THEY PUT ANOTHER GROUND WIRE ON THE COMPUTER, SAID THEY HAD BEEN HAVING COMPUTER PROBLEMS IN VEHICLES LATELY. I HAVE BEEN AFRAID TO LET FAMILY IN IT AND HAVE NOT DRIVEN IT SINCE THE LAST TRIP TO GM DEALER.

NHTSA ODI #10129038

25,500 miles · Jul 8, 2005
Electrical SystemPower Train

DT: WHILE DRIVING, THE CONSUMER FOUND HE WAS UNABLE TO GET THE ENGINE OUT OF 3RD GEAR AS THOUGH IT NEEDED TO BE GEARED DOWN. THE VEHICLE IS AN AUTOMATIC AND THOUGHT IT WAS AN ISOLATED INCIDENT. HOWEVER, WHEN IT HAPPENED AGAIN, IT PRETTY CONSISTENT IN DOING SO. THE VEHICLE WAS TAKEN TO THE DEALER. THE DEALER SAID IT COULD BE …

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DT: WHILE DRIVING, THE CONSUMER FOUND HE WAS UNABLE TO GET THE ENGINE OUT OF 3RD GEAR AS THOUGH IT NEEDED TO BE GEARED DOWN. THE VEHICLE IS AN AUTOMATIC AND THOUGHT IT WAS AN ISOLATED INCIDENT. HOWEVER, WHEN IT HAPPENED AGAIN, IT PRETTY CONSISTENT IN DOING SO. THE VEHICLE WAS TAKEN TO THE DEALER. THE DEALER SAID IT COULD BE FIXED AND DID REPAIR. DIAGNOSED A SHIFT SOLENOID, WHICH WAS REPLACED. ABOUT 1 DAY LATER AFTER REPAIR, THE SAME THING OCCURRED. RETURNED TO DEALER AND WAS INFORMED THAT THE VALVE BODY NEEDED TO BE REPLACED. AFTER TAKING THE VALVE BODY APART, IT WAS FOUND THAT IT WAS NOT THE PROBLEM. THE DEALER STATED THE TRANSMISSION WAS THE PROBLEM. THE CHECK ENGINE LIGHT ILLUMINATED ON AND THAT WAS THE FIRST TIME IT HAD ILLUMINATED. SPOKE WITH DEALER ABOUT THIS. THE NEXT DAY, THE GAUGES WORKED BUT THE LED LIGHT WOULD NOT LIGHT UP ALONG WITH THE ODOMETER. AFTER DRIVING HALF A MILE, THE LIGHTS SLOWLY COME ON BUT FELT THIS WAS A SAFETY CONCERN AS IT MAY BE ELECTRICAL. *AK THE VEHICLE WOULD NOT SHIFT FROM 3RD TO 4TH GEAR. *JB

NHTSA ODI #10120131

25,000 miles · Jul 8, 2005
Engine And Engine CoolingService Brakes, HydraulicCrash

WHILE PULLING INSIDE OF THE GARAGE THE CONSUMER APPLIED THE BRAKES AND THE PEDAL WENT TO THE FLOOR. THE VEHICLE STOPPED BY HITTING THE HOUSE WALL. THE BRAKING BEFORE THE CRASH CAUSED THE ABS AND THE ENGINE LIGHTS TO APPEAR ON THE DASHBOARD WHICH REMAINED ON. THE CONSUMER WAS ABLE TO DRIVE TO THE DEALER FOR INSPECTION. THE MECH…

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WHILE PULLING INSIDE OF THE GARAGE THE CONSUMER APPLIED THE BRAKES AND THE PEDAL WENT TO THE FLOOR. THE VEHICLE STOPPED BY HITTING THE HOUSE WALL. THE BRAKING BEFORE THE CRASH CAUSED THE ABS AND THE ENGINE LIGHTS TO APPEAR ON THE DASHBOARD WHICH REMAINED ON. THE CONSUMER WAS ABLE TO DRIVE TO THE DEALER FOR INSPECTION. THE MECHANIC INFORMED THE DRIVER THAT THE PROBLEM COULD NOT BE DUPLICATED. *JB

NHTSA ODI #10112977

Mileage unknown · Jul 7, 2005
Electrical System

DT: COMPUTER THAT PROGRAMS THE SEATS,WINDOWS, AND MIRRORS FAILED. IF THE CONSUMER TRIES TO OPEN THE WINDOW THE SEAT WILL MOVE, THIS HAPPENS INTERMITTENTLY. SOMETIMES WHILE BACKING UP THE MIRRORS WILL AUTOMATICALLY GO DOWN TOWARD THE GROUND AT 90 DEGREES. ALSO, WHEN TURNING THE KEY IN THE IGNITION THE RADIO WILL COME ON, E…

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DT: COMPUTER THAT PROGRAMS THE SEATS,WINDOWS, AND MIRRORS FAILED. IF THE CONSUMER TRIES TO OPEN THE WINDOW THE SEAT WILL MOVE, THIS HAPPENS INTERMITTENTLY. SOMETIMES WHILE BACKING UP THE MIRRORS WILL AUTOMATICALLY GO DOWN TOWARD THE GROUND AT 90 DEGREES. ALSO, WHEN TURNING THE KEY IN THE IGNITION THE RADIO WILL COME ON, EVEN IF THE RADIO IS TURNED OFF. THE VEHICLE WAS TAKEN TOT HE DEALER 9 TIMES AND IT WAS REPROGRAMMED 5 OR 6 TIMES BY THE DEALERSHIP. THE CONSUMER ALSO REPROGRAMMED IT A DOZEN TIMES. *AK UPDATED 01/04/06. *JB

NHTSA ODI #10127798

1,500 miles · Jul 6, 2005
Power Train

DT: WHEN THE VEHICLE SITS ON A GRADE IT WILL ROLL BACKWARDS WHEN IN DRIVE. THE TRANSMISSION WILL READ A FALSE NEUTRAL ON LEVEL GROUND. THE CONSUMER TOOK THE VEHICLE TO THE DEALERSHIP AND THEY REPLACED THE TRANSMISSION, BUT THE PROBLEM RECURRED. THIS VEHICLE HAS A 4L80E TRANSMISSION. THE PROBLEM STARTED APPROXIMATELY A MON…

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DT: WHEN THE VEHICLE SITS ON A GRADE IT WILL ROLL BACKWARDS WHEN IN DRIVE. THE TRANSMISSION WILL READ A FALSE NEUTRAL ON LEVEL GROUND. THE CONSUMER TOOK THE VEHICLE TO THE DEALERSHIP AND THEY REPLACED THE TRANSMISSION, BUT THE PROBLEM RECURRED. THIS VEHICLE HAS A 4L80E TRANSMISSION. THE PROBLEM STARTED APPROXIMATELY A MONTHS AFTER PURCHASING THE VEHICLE. HAS NOT HIT ANYTHING YET, BUT HAS COME CLOSE ON SEVERAL OCCASIONS. A SERVICE WRITER AT GROTH BROTHERS CHEVROLET TOLD CONSUMER IT WAS NORMAL FOR THE VEHICLE TO DO THIS. CONSUMER HAS A CASE OPEN AT GENERAL MOTORS #1-258070464.*AK

NHTSA ODI #10127596

Official recalls

8

06V417000 · Air Bags:frontal

Oct 31, 2006

CERTAIN VEHICLES ORIGINALLY BUILT WITH CLOTH SEATS THAT WERE EQUIPPED WITH AN AUTOMATIC AIR BAG PASSENGER SENSING SYSTEM AND LATER REUPHOLSTERED WITH AFTERMARKET LEATHER SEAT COVER KITS ARE INVOLVED. TESTING HAS INDICATED THAT THE AFTERMARKET LEATHER SEAT COVERS CAN CAUSE THE PASSENGER SENSING SYSTEM TO MALFUNCTION.

Consequence & remedy

Consequence: IF THE PASSENGER SENSING SYSTEM MALFUNCTIONS, THE FRONT AIR BAG ON THE PASSENGER SIDE MAY BE DISABLED WHEN IT SHOULD BE ENABLED, OR ENABLED WHEN IT SHOULD BE DISABLED. IN EITHER CASE, IN THE EVENT OF A CRASH THAT REQUIRES AIR BAG DEPLOYMENT, A FRONT PASSENGER'S LEVEL OF INJURY MAY BE INCREASED.

Remedy: BECAUSE A REPLACEMENT LEATHER SEAT COVER THAT IS COMPATIBLE WITH THE PASSENGER SENSING SYSTEM IS NOT AVAILABLE, GENERAL MOTORS (GM) WILL REPURCHASE THESE VEHICLES IN ACCORDANCE WITH THE TERMS STATED IN GM'S LETTER TO OWNERS. THE RECALL BEGAN ON NOVEMBER 6, 2006. OWNERS SHOULD CONTACT GM AT 1-877-477-1022 TO BEGIN THE PROCESS OF REPURCHASING THEIR VEHICLE.

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.

05V161000 · Parking Brake

Apr 22, 2005

ON CERTAIN PICKUP TRUCKS EQUIPPED WITH MANUAL TRANSMISSIONS AND BUILT WITH EITHER PBR PARKING BRAKE SYSTEMS OR TRW PARKING BRAKE SYSTEMS, THE PARKING BRAKE FRICTION LININGS MAY WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.

Consequence & remedy

Consequence: IF THE PARKING BRAKE DOES NOT HOLD, UNINTENDED VEHICLE MOVEMENT COULD OCCUR, WHICH COULD RESULT IN A CRASH.

Remedy: DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH A PBR PARKING BRAKE SYSTEM. ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM, DEALERS WILL INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY. THE RECALL BEGAN ON JULY 29, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 OR GMC 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.

04V225000 · Seat Belts:front:anchorage

May 11, 2004

CERTAIN EXTENDED AND REGULAR CAB PICKUP TRUCKS AND CARGO VANS CONVERTED TO COMPRESSED NATURAL GAS (CNG) FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, 'CHILD RESTRAINT ANCHORAGE SYSTEMS.' THESE VEHICLES HAVE ONE SEATING POSITION, THE CENTER REAR SEAT, EQUIPPED WITH CHILD RESTRAINT LOWER ANCHORAGES.

Consequence & remedy

Consequence: THE STANDARD REQUIRES CHILD SEAT LOWER ANCHORAGES IN TWO SEATING POSITIONS FOR VEHICLES WITH THREE REAR SEATING POSITIONS. THE STANDARD CAB AND CARGO VAN VEHICLES, WHICH ONLY HAVE FRONT SEATING POSITIONS, HAVE AN AIR BAG OFF SWITCH TO DISABLE THE FRONT PASSENGER AIR BAG AND DO NOT HAVE CHILD RESTRAINT LOWER ANCHORAGES IN THE PASSENGER SEAT. THE STANDARD REQUIRES PASSENGER SEAT CHILD SEAT LOWER ANCHORAGES IN VEHICLES WITH AN AIR BAG OFF SWITCH. HOWEVER, THE STANDARD DOES NOT REQUIRE VEHICLES WITH ONLY FRONT SEATING POSITIONS TO HAVE LOWER ANCHORAGE PROVISIONS IF THE VEHICLE IS NOT EQUIPPED WITH AN AIR BAG OFF SWITCH.

Remedy: TO BRING THE STANDARD CAB AND CARGO VAN VEHICLES INTO COMPLIANCE, DEALERS WILL INJECT EPOXY INTO THE AIR BAG OFF SWITCH TO PREVENT AIR BAG ACTIVATION, RELOCATE THE SWITCH BEHIND THE INSTRUMENT PANEL AND THEN INSTALL A COVER OVER THE RESULTING OPENING. THE SUN VISOR LABEL AND OWNER'S MANUAL WILL ALSO BE CHANGED. THE CORRECTION FOR THE EXTENDED CAB VEHICLE WILL CONSIST OF CHANGING THE FRONT PASSENGER SEAT TO A SEAT THAT HAS CHILD RESTRAINT LOWER ANCHORAGES. THE RECALL BEGAN ON SEPTEMBER 9, 2004. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438 OR GMC AT 1-866-996-9463.

04V129000 · Structure:body:tailgate:hinge And Attachments

Mar 17, 2004

ON CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE GALVANIZED STEEL TAILGATE SUPPORT CABLES THAT RETAIN THE TAILGATE IN THE FULL OPEN (HORIZONTAL) POSITION MAY CORRODE, WEAKEN, AND EVENTUALLY FRACTURE. IF BOTH CABLES FRACTURED, THE TAILGATE WOULD SUDDENLY DROP AND STRIKE THE TOP SURFACE OF THE REAR BUMPER.

Consequence & remedy

Consequence: ANYONE SITTING OR STANDING ON THE HORIZONTAL SURFACE OF THE TAILGATE WHEN BOTH CABLES FRACTURED COULD BE INJURED BY FALLING FROM THE TAILGATE. ON VEHICLES THAT HAVE HAD THE BUMPER REMOVED, THE TAILGATE MAY DROP EVEN LOWER. ADDITIONALLY, IF THERE IS CARGO ON THE TAILGATE THE CARGO MAY FALL OFF IF THE SUPPORT CABLES FRACTURE.

Remedy: DEALERS WILL REPLACE THE CABLES. INTERIM OWNER NOTIFICATION BEGAN ON APRIL 7, 20004. THE RECALL BEGAN ON SEPTEMBER 24, 2004, WHEN REPLACEMENT PARTS WERE AVAILABLE, AND WILL CONTINUE THROUGH OCTOBER 29, 2004. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438 OR GMC AT 1-866-996-9463, OR VISIT WWW.MYGMLINK.COM, AND ENTER YOUR VEHICLE IDENTIFICATION NUMBER.

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.

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