NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
188 reports79,000 miles · Jul 31, 2013
Steering
TL* THE CONTACT OWNS A 2004 GMC SIERRA. THE CONTACT STATED THAT WHILE ATTEMPTING TO PARK, THE VEHICLE EMITTED A LOUD EXPLOSIVE NOISE. THE CONTACT ATTEMPTED TO REVERSE HOWEVER, THE VEHICLE WOULD NOT RESPOND BECAUSE THE STEERING WHEEL WAS SEPARATED FROM THE ARM AND THE BOLT HAD BECOME SHREDDED. THE VEHICLE WAS TOWED TO A MECHANIC…
Read full complaint
TL* THE CONTACT OWNS A 2004 GMC SIERRA. THE CONTACT STATED THAT WHILE ATTEMPTING TO PARK, THE VEHICLE EMITTED A LOUD EXPLOSIVE NOISE. THE CONTACT ATTEMPTED TO REVERSE HOWEVER, THE VEHICLE WOULD NOT RESPOND BECAUSE THE STEERING WHEEL WAS SEPARATED FROM THE ARM AND THE BOLT HAD BECOME SHREDDED. THE VEHICLE WAS TOWED TO A MECHANIC WHERE AN INSPECTION WAS PERFORMED. THE DEALER ADVISED THE CONTACT THAT THE STEERING BOX AND PITMAN ARM BOLT HAD SHREDDED FROM THE TIE ROD CENTER LINK. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE AND CURRENT MILEAGE WAS 79,000.
NHTSA ODI #10532812
132,000 miles · Jul 10, 2013
Electrical SystemEquipment Adaptive/mobilityService Brakes
I HAVE A 2004 GMC SIERRA THAT HAS AN ELECTRICAL ISSUE WITH THE ABS OR BRAKE SYSTEM. THE BRAKE LIGHT, ABS LIGHT AND SERVICE BRAKE SYSTEM LIGHT GOES OFF AT RANDOM TIMES. MIGHT HAVE SOMETHING TO DO WITH THE AIR CONDITIONING BECAUSE THE A/C DRAWS POWER FROM THE BATTERY AND I CAN SEE THAT A CERTAIN LEVEL THE INDICATORS GO OFF. MOS…
Read full complaint
I HAVE A 2004 GMC SIERRA THAT HAS AN ELECTRICAL ISSUE WITH THE ABS OR BRAKE SYSTEM. THE BRAKE LIGHT, ABS LIGHT AND SERVICE BRAKE SYSTEM LIGHT GOES OFF AT RANDOM TIMES. MIGHT HAVE SOMETHING TO DO WITH THE AIR CONDITIONING BECAUSE THE A/C DRAWS POWER FROM THE BATTERY AND I CAN SEE THAT A CERTAIN LEVEL THE INDICATORS GO OFF. MOST OF THE TIME THE LIGHTS CHIME AND BLINK WHEN I APPLY THE BRAKE BUT IT ALSO HAS HAPPENED WHEN JUST TURNED THE TRUCK ON. I'VE REPLACED THE ROTORS AND PADS TO STILL HAVE THE PROBLEM. I'M NOT SURE IF IT'S A GROUND OR SENSOR THAT IS FAILING. I'VE FOUND TSB FOR REGROUNDING, FAILING SENSORS, OR ECBM. STILL HAVEN'T FOUND THE CORRECT DIAGNOSIS. I JUST HOPE THE ABS FUNCTIONS WHEN I NEED IT. *TR
NHTSA ODI #10524157
60,000 miles · Jul 10, 2013
Electrical System
TL* THE CONTACT OWNS A 2004 GMC SIERRA. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 70 MPH, ALL OF THE INSTRUMENT PANEL LIGHTS FAILED. THE CONTACT MENTIONED THAT THE FAILURE WOULD RECUR INTERMITTENTLY. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE ENTIRE INSTRUMENT CLUSTER NEEDED TO BE REPLACED. THE M…
Read full complaint
TL* THE CONTACT OWNS A 2004 GMC SIERRA. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 70 MPH, ALL OF THE INSTRUMENT PANEL LIGHTS FAILED. THE CONTACT MENTIONED THAT THE FAILURE WOULD RECUR INTERMITTENTLY. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE ENTIRE INSTRUMENT CLUSTER NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 60,000 AND THE CURRENT MILEAGE WAS 84,000. *TR
NHTSA ODI #10524115
83,000 miles · Jul 8, 2013
Electrical System
TL* THE CONTACT OWNS A 2004 GMC SIERRA. THE CONTACT STATED THAT THE INSTRUMENT PANEL FAILED AND ALL OF THE GAUGES STOPPED WORKING. THE DEALER INFORMED THE CONTACT THAT THE ENTIRE INSTRUMENT PANEL NEEDED TO BE REPLACED. THE VEHICLE HAD NOT BEEN REPAIRED. THE FAILURE MILEAGE AND CURRENT MILEAGES WERE 83,000. *TR
NHTSA ODI #10523712
61,000 miles · May 5, 2013
Service Brakes
I WAS BACKING OUT OF THE DRIVEWAY AND THE BRAKES WENT TO THE FLOOR. THE BRAKE LINES WERE SEVERELY RUSTED. THEY LOOK LIKE THE ARE 50 YEARS OLD. *TR
NHTSA ODI #10510663
76,000 miles · Mar 27, 2013
Service BrakesCrash
BRAKE LINE FAILURE AS AN EMERGENCY STOPPING PROCEDURE WAS IN PLACE. VEHICLE EVENTUALLY STOPPED, BUT REAR ENDED THE FORWARD VEHICLE. BRAKE LINE CORROSION IN HARD PIPING WAS DIAGNOSED AS THE PROBLEM AS THE HARD BRAKE LINE RUPTURED. *TR
NHTSA ODI #10504703
105,831 miles · Jan 21, 2013
Service Brakes
WHEN COMING TO A RED LIGHT I TRIED TO STOP MY TRUCK. UPON PRESSING THE BRAKE PEDDLE THE FIRST TIME I STARTED TO SLOW DOWN. UPON PRESSING THE BRAKE PEDDLE THE SECOND TIME, THE PEDDLE WHEN TO THE FLOOR AND DID NOT SLOW ME DOWN. I HAD TO RUN THE RED LIGHT AND US MY E BRAKE TO SLOW DOWN AND FINALLY STOP AT A GAS STATION. WHILE WAITI…
Read full complaint
WHEN COMING TO A RED LIGHT I TRIED TO STOP MY TRUCK. UPON PRESSING THE BRAKE PEDDLE THE FIRST TIME I STARTED TO SLOW DOWN. UPON PRESSING THE BRAKE PEDDLE THE SECOND TIME, THE PEDDLE WHEN TO THE FLOOR AND DID NOT SLOW ME DOWN. I HAD TO RUN THE RED LIGHT AND US MY E BRAKE TO SLOW DOWN AND FINALLY STOP AT A GAS STATION. WHILE WAITING FOR AAA TO PICK ME UP NOTICED BRAKE FLUID COMING OUT FROM UNDER DRIVERS SIDE. TRUCK WAS TOWED TO MY SON'S HOUSE. AFTER LOOKING UNDER THE TRUCK HE TOLD ME THE BRAKE LINES FROM THE FRONT OF THE TRUCK HAD BROKEN. HE SUGGESTED WE REPLACE ALL THE BRAKE LINES, WHICH WE DID. ALL THE ORIGINAL LINES WERE ROTTING AWAY. WHEN WE REMOVED THE BRAKE LINES THEY ALL BROKE INTO PIECES . WE REPLACED ALL THE ORIGINAL LINES WITH STAINLESS STEEL LINES AT COST OF $400.00 PLUS I FOUND A FRONT AND A REAR CALIPERS FROZEN, SO I REPLACED ALL THE BRAKES AND CALIPERS. THERE IS NO WAY THE BRAKE LINES ON A 8 YEAR OLD TRUCK SHOULD BE FOUND IN THIS SHAPE. THE ORIGINAL LINES LOOKED LIKE ALUMINUM COATED STEEL. *TR
NHTSA ODI #10493612
90,000 miles · Sep 18, 2012
Power Train
TL* THE CONTACT OWNS A 2004 GMC SIERRA. THE CONTACT STATED THAT THE VEHICLE JERKED VIOLENTLY. THE VEHICLE WAS TAKEN TO THE DEALER FOR INSPECTION WHERE THEY STATED THAT THERE WAS NOTHING WRONG WITH THE VEHICLE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED AND PROVIDED NO ASSISTANCE. THE FAILURE MILEAGE WAS 90,000..…
Read full complaint
TL* THE CONTACT OWNS A 2004 GMC SIERRA. THE CONTACT STATED THAT THE VEHICLE JERKED VIOLENTLY. THE VEHICLE WAS TAKEN TO THE DEALER FOR INSPECTION WHERE THEY STATED THAT THERE WAS NOTHING WRONG WITH THE VEHICLE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED AND PROVIDED NO ASSISTANCE. THE FAILURE MILEAGE WAS 90,000....UPDATED 10/19/12 *BF UPDATED 10/25/12
NHTSA ODI #10475845
100,123 miles · Sep 18, 2012
Service Brakes
I LEFT MY HOUSE FOR WORK AND APPROX. 3 BLOCKS FROM MY HOUSE I ATTEMPTED TO SLOW DOWN TO MAKE A RIGHT HAND TURN. I PRESSED ON THE BRAKES AND THE PEDAL WENT ALL THE WAY TO THE FLOOR. I HAD NO BRAKES. AT THIS TIME AND THIS WAS THE FIRST TIME, THE BRAKE LIGHT ON THE DASH CAME ON. I WAS DRIVING AT 30 MPH WITH NO BRAKES, I COASTED…
Read full complaint
I LEFT MY HOUSE FOR WORK AND APPROX. 3 BLOCKS FROM MY HOUSE I ATTEMPTED TO SLOW DOWN TO MAKE A RIGHT HAND TURN. I PRESSED ON THE BRAKES AND THE PEDAL WENT ALL THE WAY TO THE FLOOR. I HAD NO BRAKES. AT THIS TIME AND THIS WAS THE FIRST TIME, THE BRAKE LIGHT ON THE DASH CAME ON. I WAS DRIVING AT 30 MPH WITH NO BRAKES, I COASTED INTO A PARKING LOT AND USED THE PARKING BRAKE TO STOP THE TRUCK. OUTSIDE AND UNDER THE DRIVERS DOOR OF THE 2004 SIERRA EXTENDED CAB THERE WAS BRAKE FLUID LEAKING. THE 8 YEAR OLD TRUCK HAD RUSTED BRAKE LINES THAT FAILED. MY CONCERN IS THAT I LOST ALL BRAKES WITHOUT WARNING. AFTER A LITTLE RESEARCH I NOTICED MANY OF THESE TRUCKS HAVE THE SAME PROBLEM. THEY ARE 5000 POUND TORPEDOS ON THE ROAD AND WITHOUT WARNING. WILL SOMETHING BE DONE BEFORE A SERIOUS ACCIDENT OCCURS? I TRIED CONTACTING GMC VIA THEIR WEBSITE E-MAIL BUT AN ERROR MESSAGE OCCURRED. TRY A COMPLAINT ON THEIR SITE.....IT DON'T WORK!!! *TR
NHTSA ODI #10475756
121,000 miles · Aug 9, 2012
Fuel System, GasolineService Brakes
I WAS LEAVING MY DRIVEWAY AND COMPLETELY LOST ALL BRAKES AND COULD NOT STOP. I HAD TO SLAM ON THE PARKING BRAKE TO STOP. A BRAKE LINE BLEW. ALL THE BRAKE LINES AND FUEL LINES ARE COMPLETELY ROTTED.THIS VEHICLE ISN'T EVEN 10 YEARS OLD YET. THE FUEL LINE AND BRAKE LINES ARE A MAJOR SAFETY ISSUE. THIS TRUCK IS A 2500 AND I USE IT F…
Read full complaint
I WAS LEAVING MY DRIVEWAY AND COMPLETELY LOST ALL BRAKES AND COULD NOT STOP. I HAD TO SLAM ON THE PARKING BRAKE TO STOP. A BRAKE LINE BLEW. ALL THE BRAKE LINES AND FUEL LINES ARE COMPLETELY ROTTED.THIS VEHICLE ISN'T EVEN 10 YEARS OLD YET. THE FUEL LINE AND BRAKE LINES ARE A MAJOR SAFETY ISSUE. THIS TRUCK IS A 2500 AND I USE IT FOR TOWING TRAILERS IF THAT BRAKE LINE WENT WHILE TOWING IT WOULD HAVE BEEN A MAJOR ACCIDENT. THE ENTIRE UNDERNEATH OF THIS TRUCK IS SO RUSTED THE FRAME BRAKE LINE AND FUEL LINES ARE TERRIBLE. SOMEONE IS GOING TO GET KILLED FROM GM'S CHEAP STEEL. *TR
NHTSA ODI #10470045
Official recalls
7Aug 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.
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.
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.
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.
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.
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.
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 ↗