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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
4,075 miles · Aug 20, 2004
VisibilityInjury

OPERATING MY PICKUP ON RIVER ROAD (GRAVEL SURFACE), AKRON, IOWA AT A SPEED BETWEEN 15-20 MPH, DRIVERS DOOR WINDOW SHATTERED AND FELL ON DRIVER, CUTTING MY LEFT HAND. I IMMEDIATELY DROVE THE VEHICLE TO DIRKS MOTOR COMPANY, THE CHEVROLET DEALE, AND REPORTED THE DEFECT IN THE VEHICLE. THE WINDOW WAS REPLACED ON AUGUST 18, 2004. …

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OPERATING MY PICKUP ON RIVER ROAD (GRAVEL SURFACE), AKRON, IOWA AT A SPEED BETWEEN 15-20 MPH, DRIVERS DOOR WINDOW SHATTERED AND FELL ON DRIVER, CUTTING MY LEFT HAND. I IMMEDIATELY DROVE THE VEHICLE TO DIRKS MOTOR COMPANY, THE CHEVROLET DEALE, AND REPORTED THE DEFECT IN THE VEHICLE. THE WINDOW WAS REPLACED ON AUGUST 18, 2004. THE VEHICLE WAS PURCHASED IN LATE JUNE 2004. AT THE TIME OF THE DEFECT THE VEHICLE HAD 4,075 MILES.*AK

NHTSA ODI #10088245

1,056 miles · Aug 19, 2004
Power Train

AFTER TOWING A TRAILER AND PUTTING THE VEHICLE IN REVERSE VEHICLE JUMPED AND TORE A PIECE OF RUBBER OUT OF THE TIRE. DEALER STATED THAT THE VEHICLE WAS REPAIRED. HOWEVER, THE TRANSMISSION JUMPED FROM SECOND GEAR TO REVERSE WITHOUT WARNING. CONSUMER STATED THAT THE DEALER SAID THERE WAS NO CODE SET, AND TO CONTINUE DRIVING, BUT …

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AFTER TOWING A TRAILER AND PUTTING THE VEHICLE IN REVERSE VEHICLE JUMPED AND TORE A PIECE OF RUBBER OUT OF THE TIRE. DEALER STATED THAT THE VEHICLE WAS REPAIRED. HOWEVER, THE TRANSMISSION JUMPED FROM SECOND GEAR TO REVERSE WITHOUT WARNING. CONSUMER STATED THAT THE DEALER SAID THERE WAS NO CODE SET, AND TO CONTINUE DRIVING, BUT THE CONSUMER REFUSED.*AK

NHTSA ODI #10089305

1,800 miles · Aug 18, 2004
Tires

CONSUMER ORDERED A FOUR WHEEL DRIVE FROM THE MANUFACTURER, AND THE VEHICLE WAS DELIVERED WITH 4 PLY HIGHWAY TIRES ON IT. THESE TIRES WERE NOT DESIGNED TO HANDLE 4 WHEEL OPERATION. MANUFACTURER WAS NOT WILLING TO CHANGE ANYTHING. THEY STATED TAKE IT OR LEAVE IT. *AK

NHTSA ODI #10089186

Mileage unknown · Aug 18, 2004
Visibility

WHILE DRIVING IN A VERY HEAVY RAIN STORM WINDSHIELD WIPERS COMPLETELY BROKE. CONSUMER COULD NOT GET THEM TO WORK AGAIN. CONSUMER STATED THAT WINDSHIELD WIPERS JUST FLOPPED TO THE LEFT, HITTING THE SIDE VIEW MIRROR. *AK

NHTSA ODI #10089183

Mileage unknown · Aug 12, 2004
Visibility

PROBLEMS WITH BUGS AND DEBRIS DEFLECTED RIGHT INTO THE CONSUMER'S FACE WHILE DRIVING.*MR THE LEFT AND RIGHT DOOR REAR VIEW MIRRORS CAUSE BUGS AND OTHER DEBRIS TO BE DEFLECTED RIGHT INTO THE FACE OF WHOEVER IS SITTING IN THE DRIVER AND PASSENGER SEAT. THE HAS OCCURRED MANY TIMES. THE CONSUMER HAS HAD EVERYTHING FROM BUG TO GRA…

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PROBLEMS WITH BUGS AND DEBRIS DEFLECTED RIGHT INTO THE CONSUMER'S FACE WHILE DRIVING.*MR THE LEFT AND RIGHT DOOR REAR VIEW MIRRORS CAUSE BUGS AND OTHER DEBRIS TO BE DEFLECTED RIGHT INTO THE FACE OF WHOEVER IS SITTING IN THE DRIVER AND PASSENGER SEAT. THE HAS OCCURRED MANY TIMES. THE CONSUMER HAS HAD EVERYTHING FROM BUG TO GRAVEL HIT HIM IN THE FACE. THE CONSUMER FEELS THE MIRRORS NEED TO BE REDESIGNED. *NM

NHTSA ODI #10089147

Mileage unknown · Aug 12, 2004
Service Brakes, Hydraulic

2004 CHEVROLET SILVERADO BRAKING SYSTEM IS DEFECTIVE.*MR THE CONSUMER INDICATED THAT HE BRAKE PEDAL FELT SOFT. WHEN APPLYING THE BRAKE IN AN EMERGENCY SITUATION THE PEDAL GOES ALL THE WAY TO THE FLOOR OR VERY CLOSE TO IT. AS A RESULT THE CONSUMER'S RIGHT FOOT SOMETIMES ALSO PRESSES THE ACCELERATOR WHILE ATTEMPTING TO BRAKE. …

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2004 CHEVROLET SILVERADO BRAKING SYSTEM IS DEFECTIVE.*MR THE CONSUMER INDICATED THAT HE BRAKE PEDAL FELT SOFT. WHEN APPLYING THE BRAKE IN AN EMERGENCY SITUATION THE PEDAL GOES ALL THE WAY TO THE FLOOR OR VERY CLOSE TO IT. AS A RESULT THE CONSUMER'S RIGHT FOOT SOMETIMES ALSO PRESSES THE ACCELERATOR WHILE ATTEMPTING TO BRAKE. THE CONSUMER WAS INFORMED BY THE DEALER'S TECHNICIAN THAT THERE IS NO FIX FRO THIS PROBLEM. *NM

NHTSA ODI #10089138

52,000 miles · Aug 11, 2004
Air BagsCrashInjury

2001 CHEVROLET PICKUP INVOLVED IN A CRASH WITH A TREE AND AIR BAG DID NOT DEPLOY. DRIVE SUSTAINED SEVERE INJURY TO MOUTH BY HITTING STEERING WHEEL, DISPLACING FIVE LOWER FRONT TEETH CAUSING EXTENSIVE PAIN HAVING TEETH REPOSITIONED. *JB

NHTSA ODI #10086614

25 miles · Aug 8, 2004
SuspensionTires

PRIOR TO PURCHASE OF THE VEHICLE A VIBRATION AND BOUNCING WAS NOTED ON THE TEST DRIVE, THE DEALER ASSURED ME THAT THE PROBLEM WOULD BE CORRECTED AND TWO DAYS LATER THEY REPLACED THE TIRES. THIS DID NOT ELIMINATE ALL OF THE BOUNCING, THE DEALER AGAIN SERVICED THE VEHICLE, THE SALESMAN AND THE SERVICE MANAGER BOTH RODE WITH ME IN…

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PRIOR TO PURCHASE OF THE VEHICLE A VIBRATION AND BOUNCING WAS NOTED ON THE TEST DRIVE, THE DEALER ASSURED ME THAT THE PROBLEM WOULD BE CORRECTED AND TWO DAYS LATER THEY REPLACED THE TIRES. THIS DID NOT ELIMINATE ALL OF THE BOUNCING, THE DEALER AGAIN SERVICED THE VEHICLE, THE SALESMAN AND THE SERVICE MANAGER BOTH RODE WITH ME IN THE VEHICLE AND AGREED THAT THERE WAS A PROBLEM AND THAT IT WOULD BE CORRECTED EVEN IF ALL OF THE SUSPENSION COMPONENTS, WHEELS AND TIRES HAD TO BE REPLACED. ONE DAY LATER I WAS TOLD THAT THE BOUNCING WAS CHARACTERISTIC OF THE VEHICLE AND THAT THERE WAS NOTHING THEY COULD DO ABOUT IT, NO OTHER SOLUTION WAS OFFERED. I DO NOT FEEL THE VEHICLE IS PERFORMING CORRECTLY AND IS NOT SAFE.*AK

NHTSA ODI #10086422

9,000 miles · Aug 5, 2004
EquipmentPower Train

THE VEHICLE HAS PROBLEMS SHIFTING FROM FIRST TO SECOND GEAR. SOMETIMES THE GEARS CHANGE SMOOTHLY, AND OTHER TIMES THERE IS A THUMPING SOUND ACCOMPANIED BY JERKING. THIS PROBLEM HAS OCCURRED AT LEAST FOUR TIMES IN THE LAST MONTH. *AK IN ADDITION WHEN MAKING THE TRANSITION FROM A LOW SPEED TO A HIGHER SPEED THE VEHICLE'S TRA…

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THE VEHICLE HAS PROBLEMS SHIFTING FROM FIRST TO SECOND GEAR. SOMETIMES THE GEARS CHANGE SMOOTHLY, AND OTHER TIMES THERE IS A THUMPING SOUND ACCOMPANIED BY JERKING. THIS PROBLEM HAS OCCURRED AT LEAST FOUR TIMES IN THE LAST MONTH. *AK IN ADDITION WHEN MAKING THE TRANSITION FROM A LOW SPEED TO A HIGHER SPEED THE VEHICLE'S TRANSMISSION WOULD NOT ENGAGE INTO THE PROPER GEAR. THIS MADE IT SEEM LIKE THE VEHICLE WAS IN NEUTRAL. THE DEALER FIXED THE PROBLEM WITH A RETROFIT KIT AND THE VEHICLE SEEMS TO BE WORKING FINE. THE VEHICLE'S CD PLAYER WAS NOT FUNCTIONING PROPERLY. THE DEALER REPLACED AND REPROGRAMMED THE CD PLAYER. *NM

NHTSA ODI #10075764

8,700 miles · Aug 2, 2004
Air BagsCrashInjury

WHILE DRIVING AT 35 MPH CONSUMER'S VEHICLE WAS INVOLVED IN A FRONTAL COLLISION. UPON IMPACT, NONE OF THE FRONTAL AIRBAGS DEPLOYED. DRIVER SUSTAINED MINOR BRUISES TO THEIR CHEST FROM THE SEAT BELT, AND THE FRONT PASSENGER SUSTAINED A BRUISED KNEE. THIS COLLISION RESULTED IN $800.00 FRONTAL DAMAGE. *AK

NHTSA ODI #10083968

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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