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2004 GMC Sierra

Owner reports · Recalls · Investigations

More warning signs than most Sierra years

Owner complaints for the 2004 GMC Sierra are substantially higher than the model-year median of 53.

About this comparison →

When problems were reported

Mileage at the reported incident

151 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.

  • Service Brakes. Review the 44 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 39 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 28 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

11 crash reports5 fire reports9 injury reports

Service Brakes, Hydraulic complaints

28 reports
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50,000 miles · Jul 5, 2011
Service Brakes, Hydraulic

TL* THE CONTACT OWNS A 2004 GMC SIERRA. THE CONTACT STATED WHEN HE ACCELERATED AND ATTEMPTED TO SHIFT GEARS, THE BRAKES WERE APPLIED AND THE BRAKE PEDAL EXTENDED COMPLETELY TO THE FLOOR BOARD. THE VEHICLE WAS TOWED TO A DEALER WHO DIAGNOSED THAT THE BRAKE LINE WAS DEFECTIVE AND WOULD NEED TO BE REPAIRED. THE VEHICLE WAS REPAIR…

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TL* THE CONTACT OWNS A 2004 GMC SIERRA. THE CONTACT STATED WHEN HE ACCELERATED AND ATTEMPTED TO SHIFT GEARS, THE BRAKES WERE APPLIED AND THE BRAKE PEDAL EXTENDED COMPLETELY TO THE FLOOR BOARD. THE VEHICLE WAS TOWED TO A DEALER WHO DIAGNOSED THAT THE BRAKE LINE WAS DEFECTIVE AND WOULD NEED TO BE REPAIRED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED, BUT DID NOT ASSIST WITH THE FAILURE. THE FAILURE MILEAGE WAS 50,000 AND THE CURRENT MILEAGE WAS 60,000.

NHTSA ODI #10410467

35,000 miles · Oct 14, 2010
Electrical SystemService Brakes, Hydraulic

TL*THE CONTACT OWNS A 2004 GMC SIERRA 1500. WHILE DRIVING APPROXIMATELY 30 MPH, THE CONTACT APPLIED PRESSURE TO THE BRAKE PEDAL AND NOTICED INCREASED STOPPING DISTANCE. THE BRAKE PEDAL DEPRESSED VERY EASILY WHEN THE PRESSURE WAS APPLIED. THE FAILURE OCCURRED WHENEVER THE CONTACT APPLIED PRESSURE TO THE BRAKE PEDAL SO HE REPLACE…

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TL*THE CONTACT OWNS A 2004 GMC SIERRA 1500. WHILE DRIVING APPROXIMATELY 30 MPH, THE CONTACT APPLIED PRESSURE TO THE BRAKE PEDAL AND NOTICED INCREASED STOPPING DISTANCE. THE BRAKE PEDAL DEPRESSED VERY EASILY WHEN THE PRESSURE WAS APPLIED. THE FAILURE OCCURRED WHENEVER THE CONTACT APPLIED PRESSURE TO THE BRAKE PEDAL SO HE REPLACED THE BRAKES HIMSELF. THE FAILURE CONTINUED SO HE NOTIFIED AN AUTHORIZED DEALER AND WAS INFORMED HIS VEHICLE WAS NOT INCLUDED IN THE RECALLS ASSOCIATED WITH NHTSA CAMPAIGN ID NUMBERS 05V043000, SERVICE BRAKES, HYDRAULIC OR 04V045000, SERVICE BRAKES, HYDRAULIC. THE VEHICLE WAS NOT REPAIRED. HE ALSO STATED THAT HIS SPEEDOMETER AND OIL GAUGE ON THE INSTRUMENT PANEL DISPLAYED INCORRECT IMPROPER READINGS. THE FAILURE MILEAGE WAS APPROXIMATELY 35,000 AND THE CURRENT MILEAGE WAS APPROXIMATELY 48,000.

NHTSA ODI #10360427

56,000 miles · Dec 6, 2007
Service Brakes, Hydraulic

ABS BRAKE SYSTEM ACTIVATES AT STOPS. HAD TO PUMP BRAKES TO STOP VEHICLE. DEALER HAD TO REPLACE CORRODED FRONT WHEEL SPEED SENSORS. SENSORS SHOULD LAST LONGER THAN FOUR YEARS, SHOULD LAST THE LIFE OF THE VEHICLE. COST $378 TO REPAIR. *TR

NHTSA ODI #10210982

40,100 miles · Aug 13, 2007
Service Brakes, Hydraulic

WHEN RETURNING FROM A TRIP, THE TRUCK WAS SHUT OFF AND THE IGNITION KEY WAS REMOVED. THE TRUCK CONTINUED TO RUN, FLASHED CODE P0758, CHECK 4WD, CHECK BRAKES, ABS FAILURE. THE TRUCK DID THIS FOR TWO DAYS WHILE DRIVING HOME AND WOULD STAY RUNNING WITHOUT THE KEY FROM 2 TO 16 MINUTES AND COULD BE PUT INTO GEAR AND DRIVEN, ALL WITHO…

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WHEN RETURNING FROM A TRIP, THE TRUCK WAS SHUT OFF AND THE IGNITION KEY WAS REMOVED. THE TRUCK CONTINUED TO RUN, FLASHED CODE P0758, CHECK 4WD, CHECK BRAKES, ABS FAILURE. THE TRUCK DID THIS FOR TWO DAYS WHILE DRIVING HOME AND WOULD STAY RUNNING WITHOUT THE KEY FROM 2 TO 16 MINUTES AND COULD BE PUT INTO GEAR AND DRIVEN, ALL WITHOUT THE KEY. *JB

NHTSA ODI #10199457

Mileage unknown · Jan 13, 2006
Service Brakes, Hydraulic

2004 GMC SIERRA BRAKES FAIL WHEN THERE IS SNOW ON THE GROUND. *TS THE BRAKES WOULD GRAB AND GRIND WHILE BRAKING WHICH CAUSED EXTENDED STOPPING DISTANCE. THE BRAKES WORK PROPERLY ON DRY SURFACES. *NM

NHTSA ODI #10148666

13,996 miles · Dec 19, 2005
Service Brakes, HydraulicSuspension

DT: THE CONTACT STATED THE FRONT BRAKE LINES WERE RUBBING AGAINST THE CALIPER, CAUSING A HOLE/LOSS OF FLUID, AND FAILURE IN THE BRAKES. THE VEHICLE WAS TAKEN TO A DEALERSHIP, WHERE THEY REPLACED THE BRAKE LINE, AND PLACED A RUBBER BOOT WHERE THE WEARING OCCURRED. THE DEALERSHIP SAID DEFECT WAS A RESULT OF THE SUSPENSION MO…

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DT: THE CONTACT STATED THE FRONT BRAKE LINES WERE RUBBING AGAINST THE CALIPER, CAUSING A HOLE/LOSS OF FLUID, AND FAILURE IN THE BRAKES. THE VEHICLE WAS TAKEN TO A DEALERSHIP, WHERE THEY REPLACED THE BRAKE LINE, AND PLACED A RUBBER BOOT WHERE THE WEARING OCCURRED. THE DEALERSHIP SAID DEFECT WAS A RESULT OF THE SUSPENSION MODIFICATION TO THE VEHICLE. THE CONTACT TOOK THE VEHICLE TO ANOTHER MECHANIC, WHO STATED THE RUBBER BOOT WOULD NOT STOP THE WEARING, AND THE MODIFICATION COULD NOT HAVE CAUSED THE PROBLEM. *AK

NHTSA ODI #10145605

1,000 miles · Nov 25, 2005
Service Brakes, Hydraulic

DT: THE CONTACT STATED WHILE APPLYING THE BRAKES IT WAS DIFFICULT TO STOP THE VEHICLE. THE VEHICLE SLID BEFORE IT CAME TO A COMPLETE STOP. THERE WAS EXTENDED STOPPING DISTANCES WHEN TRYING TO STOP THE VEHICLE. THE DEALER COULD NOT DUPLICATE THE PROBLEM WITH THE BRAKES. *AK

NHTSA ODI #10143650

Mileage unknown · Oct 14, 2005
Service Brakes, Hydraulic

DT: THE CONSUMER STATED THAT THE 2004 GMC SIERRA WAS HAVING PROBLEMS WITH THE BRAKES. THE VEHICLE HAD NO STOPPING POWER. THE CONSUMER INFORMED GM ABOUT THIS PROBLEM A YEAR AGO AND THEY HAVE WORKED ON THIS PROBLEM SEVERAL TIMES TRYING TO FIX THE BRAKES. HOWEVER, THE PROBLEM RECURRED. TODAY THE CONSUMER WAS WAITING ON GM TO GET B…

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DT: THE CONSUMER STATED THAT THE 2004 GMC SIERRA WAS HAVING PROBLEMS WITH THE BRAKES. THE VEHICLE HAD NO STOPPING POWER. THE CONSUMER INFORMED GM ABOUT THIS PROBLEM A YEAR AGO AND THEY HAVE WORKED ON THIS PROBLEM SEVERAL TIMES TRYING TO FIX THE BRAKES. HOWEVER, THE PROBLEM RECURRED. TODAY THE CONSUMER WAS WAITING ON GM TO GET BACK IN CONTACT WITH HIS DEALERSHIP. THE CONSUMER TALKED TO THE DEALERSHIP LAST WEEK AND THEY STILL HAD NOT HEARD FROM GM. THE HOLD UP ON THE CONSUMER GETTING THE BRAKES FIXED WAS GM DOING THE WORK UNDER WARRANTY. SPEED WAS NOT A FACTOR IN THE BRAKING POWER.*AK *MR THE CONSUMER STATED GM DID CONTACTED HIM AND THEY DECIDED THEY WERE NOT GOING TO DO ANYTHING MORE TO FIX THE BRAKE PROBLEM. *JB

NHTSA ODI #10135706

Mileage unknown · Aug 12, 2005
Service Brakes, Hydraulic

DT: CONTACT STATES THE BRAKES HAVE A VERY SOFT PEDAL. IT DOESN'T SEEM THAT THE ANTI- LOCK BRAKE SYSTEM IS WORKING. TO MAKE THE VEHICLE STOP THE PEDAL HAS TO BE PRESSED ALL THE WAY TO THE FLOOR. THE SERVICE DEALER STATES THIS IS A CHARACTERISTIC OF THE VEHICLE. THE WEATHER CONDITIONS HAVE NO INFLUENCE ON THE BRAKING CAPABIL…

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DT: CONTACT STATES THE BRAKES HAVE A VERY SOFT PEDAL. IT DOESN'T SEEM THAT THE ANTI- LOCK BRAKE SYSTEM IS WORKING. TO MAKE THE VEHICLE STOP THE PEDAL HAS TO BE PRESSED ALL THE WAY TO THE FLOOR. THE SERVICE DEALER STATES THIS IS A CHARACTERISTIC OF THE VEHICLE. THE WEATHER CONDITIONS HAVE NO INFLUENCE ON THE BRAKING CAPABILITY OF THE VEHICLE. THE CONSUMER HAS CONTACTED THE MANUFACTURER.*AK *JB

NHTSA ODI #10129183

Mileage unknown · Jun 29, 2005
Service Brakes, HydraulicCrashInjury

DT: PURCHASED VEHICLE IN NOVEMBER 2003, AND ON 12-22-03 HAD A MINOR ACCIDENT. THIS OCCURRED AT A LOW SPEED AT WHICH CONSUMER TAPPED ANOTHER VEHICLE FROM BEHIND. TOOK VEHICLE TO A DEALER. HE CHECKED THE VEHICLE DIAGNOSTICIANS VIA COMPUTER, BUT THE CODES CHECKED OUT AS WELL AS A TEST DRIVE AND INSPECTION FROM THE SERVICE DEPAR…

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DT: PURCHASED VEHICLE IN NOVEMBER 2003, AND ON 12-22-03 HAD A MINOR ACCIDENT. THIS OCCURRED AT A LOW SPEED AT WHICH CONSUMER TAPPED ANOTHER VEHICLE FROM BEHIND. TOOK VEHICLE TO A DEALER. HE CHECKED THE VEHICLE DIAGNOSTICIANS VIA COMPUTER, BUT THE CODES CHECKED OUT AS WELL AS A TEST DRIVE AND INSPECTION FROM THE SERVICE DEPARTMENT. THIS CHECKED OUT AS ADEQUATE, NO PROBLEMS FOUND. ABOUT 2 MONTHS LATER, EXPERIENCED A SIMILAR ACCIDENT. CONSUMER CALLED GM TO INQUIRE ABOUT THIS PROBLEM. AGAIN TAKEN TO DEALER, AND NO PROBLEM FOUND. 5-7-05 EXPERIENCED ANOTHER ACCIDENT THAT RESULTED IN 3 INJURIES. THE ACCIDENT HAPPENED AS CONSUMER WAS APPROACHING AN INTERSECTION FROM ABOUT A DISTANCE OF 60 FEET AND TRAVELING ABOUT 45 MPH WHEN APPLIED BRAKE FAILURE AND SUFFERED A COMPLETE FAILURE WITH NO BRAKES AT ALL. "BRAKES WOULD NOT EVEN GRAB." GLIDED THROUGH INTERSECTION STRIKING ANOTHER VEHICLE THAT RESULTED IN 3 INJURIES. TOOK TO DEALER WHO CHECKED VEHICLE AND AGAIN FOUND NOTHING WRONG YET CONSUMER FEELS AS THOUGH BRAKES ARE NOT FUNCTIONING PROPERLY. *AK

NHTSA ODI #10127059

Official recalls

7

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

0

No exact-year investigations in this snapshot.