FaultScore

FaultScore report

2008 GMC Sierra 3500 problems

Owners have filed 28 complaints about the 2008 GMC Sierra 3500 with NHTSA between 2010 and 2026. The largest single group is the airbags. Across this model's run it ranks 25 of 26 worst.

B

FaultScore 32/100

Higher is worse. Measured against the other years of the GMC Sierra 3500.

How this is worked out

The numbers

28

Complaints

0

Crashes reported

0

Fires reported

0

Injuries reported

68,000 mi

Median mileage at failure

Half of reported failures happened before this

23%

Failed under 36,000 miles

Inside a typical bumper-to-bumper warranty

What kind of bad

The letter says how bad. This says what kind — whether this year drew an unusual number of complaints, unusually dangerous ones, or failures that arrived unusually early.

Complaint volume 49 vs 50 Severity 0 vs 50 Early failure 39 vs 50
The dashed ring is 50 — the national norm. Further out is worse.
Complaint volume — 49
Against the median year of the GMC Sierra 3500. 50 means typical for this model; 100 means roughly double.
Severity — 0
0% of these complaints involved a crash, fire, injury or death, against a national rate of 9.7%.
Early failure — 39
23% of failures with a mileage on record happened under 36,000 miles, against a national rate of 29%.

How 2008 compares with every other GMC Sierra 3500

Click any bar to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks on a 2008 GMC Sierra 3500

Every complaint is filed against a part. Follow any row for the complaints about that part alone.

Airbags 17 60.7%

Median failure at 126,000 miles

Fuel & Propulsion 3 10.7%

Median failure at 68,000 miles

Tires 2 7.1%

Median failure at 2,640 miles

Other & Unspecified 1 3.6%

Median failure at 118,000 miles

Body & Structure 1 3.6%

Median failure at 73,000 miles

Brakes 1 3.6%

Median failure at 73,000 miles

Electrical System 1 3.6%

Median failure at 38,000 miles

Transmission & Drivetrain 1 3.6%

Median failure at 2,600 miles

Engine & Cooling 1 3.6%

Median failure at 84,000 miles

When it fails

Odometer readings owners gave when they filed. About half of all complaints include one.

1,000 – 9,999 miles 3 23.1%
25,000 – 49,999 miles 2 15.4%
50,000 – 74,999 miles 4 30.8%
75,000 – 99,999 miles 2 15.4%
100,000 – 149,999 miles 1 7.7%
150,000+ miles 1 7.7%

When owners complained

A spike years after the car went on sale usually means a part wearing out on schedule across the whole fleet — the kind of pattern no single owner can see from inside their own car.

May 2010 peak 3 Jul 2026

NHTSA investigations into the 2008 GMC Sierra 3500

An investigation is the step before a recall: the agency has seen enough complaints to look into a pattern itself. An open one means it thinks something may be wrong and nothing has been fixed yet.

1 investigation is still open.

EA21002 Opened 17 Sep 2021 Still open AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Desiccated Air Bag Inflator Rupture

From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant to burn too quickly when ignited. The rapid burning can cause the inflator to rupture during deployment, potentially causing serious or even fatal injury to vehicle occupants. See 2016 Blomquist Report at www.nhtsa.gov/sites/nhtsa.gov/files/documents/expert_report-hrblomquist.pdf.C...

EA08010 Opened 12 Jun 2008 Closed 8 Sep 2008 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

NON-CRASH ENGINE COMPARTMENT FIRES

IN A LETTER DATED AUGUST 27, 2008, GENERAL MOTORS CORP. (GM) NOTIFIED NHTSA THAT IT WILL CONDUCT A SAFETY RECALL (NHTSA RECALL NUMBER 08V-441) TO ADDRESS A SAFETY RELATEDDEFECT THAT CAN RESULT IN ENGINE COMPARTMENT FIRE IN APPROXIMATELY 850,000 VEHICLES EQUIPPED WITH A HEATED WINDSHIELD WASHER FLUID OPTION.THE SUBJECT VEHICLES OF THIS INVESTIGATION COMPRISE OVER THREE-QUARTERS OF THE RECALL POPULATION. ACCORDING TO GM, A SHORT CIRCUIT ON THE PRINTED CIRCUIT BOARD FOR THE WINDSHIELD WASHER FLUID HEATER MODULE MAY OVERHEAT THE CONTROL-CIRCUIT GROUND WIRE. THIS MAY CAUSE OTHER ELECTRICAL FEATURES...

PE08010 Opened 4 Feb 2008 Closed 12 Jun 2008 ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

NON-CRASH ENGINE COMPARTMENT FIRES

IN RESPONSE TO AN INFORMATION REQUEST LETTER SENT BY THE OFFICE OF DEFECTS INVESTIGATION(ODI) DURING PRELIMINARY EVALUATION PE08-010, GM PROVIDED ODI WITH 41 ALLEGATIONS OF NON-CRASH ENGINE COMPARTMENT FIRES INCLUDING 16 ALLEGATIONS OF FIRES ORIGINATING WITH THE IGNITION IN THE OFF POSITION.ONE OF THE FIRES WAS DETERMINED TO BE CAUSED BY AN ARSON EVENT.ODI HAS ALSO RECEIVED 5 REPORTS, 4 OF WHICH ARE OF DUPLICATIVE OF REPORTS PROVIDED BY GM, ALLEGING NON-CRASH ENGINE COMPARTMENT FIRES IN THE SUBJECT VEHICLES.IN TOTAL, ODI IS AWARE OF 41 NON-CRASHENGINE COMPARTMENT FIRES IN THE SUBJECT VEHICLES...

Recalls on the 2008 GMC Sierra 3500

A complaint is one owner's allegation. A recall is the point at which the manufacturer or a regulator agreed the defect is real and dangerous enough to fix for free — however old the car is.

United States — NHTSA

20V011000

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

General Motors LLC (GM) is recalling certain 2007-2008 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles equipped with non-desiccated, passenger frontal air bag inflators containing phase stabilized ammonium nitrate (PSAN) propellant that were used as interim remedy parts for previous Takata recalls. These inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, high temperatures, and high temperature cycling.

Risk: An inflator explosion may result in sharp metal fragments striking the front passenger or other occupants resulting in serious injury or death.

15V324000

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

General Motors LLC (GM) is recalling certain model year 2007-2008 Chevrolet Silverado 2500HD and 3500HD trucks manufactured November 28, 2006, to August 29, 2008, and 2007-2008 GMC Sierra 2500HD and 3500HD trucks manufactured November 27, 2006, to August 29, 2008. The affected vehicles are equipped with a passenger side frontal air bag that may be susceptible to moisture intrusion which, over time, could cause the inflator to rupture upon its deployment.

Risk: In the event of a crash necessitating deployment of the passenger's frontal air bag, the inflator could rupture with metal fragments striking the vehicle occupants, potentially resulting in serious injury or death.

14V407000

ELECTRICAL SYSTEM

General Motors LLC (GM) is recalling certain model year 2007-2011 Chevrolet Silverado HD 2500/3500 trucks manufactured January 18, 2007, to June 22, 2011, and GMC Sierra HD 2500/3500 trucks manufactured January 22, 2007, to June 21, 2011, and equipped with an auxiliary battery. Owners may unknowingly draw too much current through the vehicle's trailer harness resulting in the melting of fusible link for the auxiliary battery.

Risk: If the fusible link melts it may come into contact with adjacent components, damage the electrical center cover, the nearby wiring harness conduit and other vehicle components, increasing the risk of a fire.

Recalls cover specific build ranges, so check your own vehicle by VIN at nhtsa.gov/recalls or, in Canada, Transport Canada.

The most recent complaints

In the owners' own words, exactly as filed with NHTSA.

Hamilton, IN

AIR BAGS

Started the truck in driveway waiting on woman to get in on passenger side BOOM! AIR BAG EXPLODED didn't know what happened and then the passenger side airbag exploded. Shut the truck off got out 5 minutes later passenger side airbag exploded again and it was smoking they are very loud thank God no one was injured or we were driving down the road and that happened that would have been terrible.

NHTSA complaint #11751263 — an unverified report by a vehicle owner.

Cataula, GA

AIR BAGS

TL* TAKATA RECALL. THE CONTACT OWNS A 2008 GMC SIERRA LD. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V381000 (AIR BAGS), HOWEVER, THE PART NEEDED FOR THE REPAIR WAS NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE DEALER (CHRYSLER DODGE JEEP RAM FIAT OF SOUTH SAVANNAH 8701 ABERCORN ST, SAVANNAH, GA 31406 (912) 330-4132) WAS CONTACTED AND CONFIRMED THAT THE REMEDY PART WAS NOT AVAILABLE. THE MANUFACTURER WAS CONTACTED AND MADE AWARE OF THE ISSUE BUT NO FURTHER ASSISTANCE WAS TAKEN. THE CONTACT HAD EXPERIENCED A FAILURE WITH THE AIRBAG WARNING LIGHT ILLUMINATED. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

NHTSA complaint #11307784 — an unverified report by a vehicle owner.

Letohatchee, AL

AIR BAGS

TL* TAKATA RECALL. THE CONTACT OWNS A 2008 GMC SIERRA 3500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V381000 (AIR BAGS). THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. GREENVILLE MOTOR CO (169 INTERSTATE DR, GREENVILLE, AL 36037, (877) 364-4812) WAS CONTACTED AND CONFIRMED THAT THE PARTS WERE NOT AVAILABLE FOR THE RECALL REMEDY. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

NHTSA complaint #11195043 — an unverified report by a vehicle owner.

at 118,000 miles Chesapeake, VA

UNKNOWN OR OTHER

THE DASHBOARD IS CRACKED IN MULTIPLE LOCATIONS INCLUDING AROUND THE PASSENGER SIDE AIRBAG. THE MATERIAL APPEARS BRITTLE AND COULD POTENTIALLY SHATTER IN AN ACCIDENT.

NHTSA complaint #10972158 — an unverified report by a vehicle owner.

Meridian, MS

AIR BAGS

TL* THE CONTACT OWNS A 2008 GMC SIERRA 3500. THE CONTACT RECEIVED A RECALL NOTIFICATION FOR NHTSA CAMPAIGN NUMBER: 15V324000 (AIR BAGS) AND STATED THAT THE PART NEEDED WAS UNAVAILABLE TO PERFORM THE RECALL REPAIR. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.

NHTSA complaint #10949710 — an unverified report by a vehicle owner.

Yuma, AZ

AIR BAGS

TL* TAKATA RECALL. THE CONTACT OWNS A 2008 GMC SIERRA 3500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V324000 (AIR BAGS). THE PART TO DO THE REPAIR WAS NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE. UPDATED 03/07/17*LJ

NHTSA complaint #10944277 — an unverified report by a vehicle owner.

Kittery, ME

AIR BAGS

TAKATA RECALL THE GMC DEALER DISCONNECTED AIR BAGS 2 YEARS AGO BECAUSE OF THE DANGER OF THE MALFUNCTION. THE DEFECT HAS STILL NOT BEEN REPAIRED. MY WIFE AND I TRAVEL ALOT TOWING A FIFTH WHEEL TRAILER. TWO YEARS IS WAY TOO LONG TO WAIT. I WANT ACTION TAKEN ON THIS REPAIR IMMEDIATELY.

NHTSA complaint #10928169 — an unverified report by a vehicle owner.

Pembrooke Pines, FL

AIR BAGS

TL* TAKATA RECALL. THE CONTACT OWNS A 2008 GMC SILVERADO 3500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V324000 (AIR BAGS) HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT NOTIFIED OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

NHTSA complaint #10926591 — an unverified report by a vehicle owner.

Angleton, TX

AIR BAGS

TAKATA AIRBAG RECALL: I HAD SENT COMPLAINT #10821862 BUT NO RESPONSE. I RECEIVED A LETTER ABOUT THE RECALL IN JULY 2015. RECALL HAS BEEN IN EFFECT SINCE MAY 2015. I CALLED THE GMC DEALER HERE IN JANUARY 2016 AND WAS TOLD NO PARTS AVAILABLE. I CALLED THE DEALER AGAIN TODAY (NOV 2016) AND WAS TOLD THE SAME THING. NO PART AVAILABLE. AND WAS TOLD TO CALL BACK BETWEEN 2-3 MONTHS. COMPLAINT: TOO LONG FOR A RECALL. SAFETY ISSUE.

NHTSA complaint #10925050 — an unverified report by a vehicle owner.

at 202,000 miles Milpitas, CA

AIR BAGS

TAKATA RECALL. THIS RECALL IS TAKING AN EXCESSIVELY LONG TIME. I HAVE CONTACTED GMC PRODUCT SUPPORT AT 8004628782 TO SUBMIT A TIER 1 ESCALATION ON JULY 27TH. AS OF AUGUST 25TH, THEY STILL FAIL TO EXPEDITE THE PARTS TO COMPLETE A SAFETY RECALL. SINCE MY WIFE IS PREGNANT SHE CANNOT SIT IN THE FRONT SEAT. ONCE OUR SECOND CHILD ARRIVES IN MID SEPTEMBER WE WILL NOT BE ABLE TO RIDE IN THIS VEHICLE TOGETHER. I AM UNCLEAR HOW TO RESOLVE THIS ISSUE.

NHTSA complaint #10898573 — an unverified report by a vehicle owner.

LAS Vegas, NV

AIR BAGS

TL* TAKATA RECALL. THE CONTACT OWNS A 2008 GMC SIERRA 3500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V324000 (AIR BAGS) AND STATED THAT THE PART NEEDED FOR THE REPAIR WAS NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

NHTSA complaint #10884927 — an unverified report by a vehicle owner.

at 50,000 miles Highlands Ranch, CO

AIR BAGS

TAKATA RECALL FOR PASSENGER SIDE AIR BAG INFLATOR ISSUED JULY 2015. I HAVE CONTACTED DEALERSHIP AND GMC REPEATEDLY SINCE RECEIVING THIS RECALL AND AS OF TODAY THEY HAVE NO IDEA WHEN PARTS WILL BE AVAILABLE. THEIR SUGGESTION WAS TO NOT LET ANYONE RIDE IN THE FRONT PASSENGER SEAT. I WANT SOMETHING ELSE TO DRIVE UNTIL ISSUE RESOLVED.

NHTSA complaint #10882071 — an unverified report by a vehicle owner.

Poplar Bluff, MO

AIR BAGS

TL* TAKATA RECALL. THE CONTACT OWNS A 2008 GMC SIERRA 3500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V324000 (AIR BAGS); HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

NHTSA complaint #10875955 — an unverified report by a vehicle owner.

Indio, CA

AIR BAGS

TL* TAKATA RECALL. THE CONTACT OWNS A 2008 GMC SIERRA 3500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V324000 (AIR BAGS); HOWEVER, THE PART TO DO THE RECALL REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

NHTSA complaint #10875713 — an unverified report by a vehicle owner.

Verndale, MN

AIR BAGS

TL* TAKATA RECALL. THE CONTACT OWNS A 2008 GMC SIERRA 3500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V324000 (AIR BAGS) HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT. THE VIN WAS NOT AVAILABLE.

NHTSA complaint #10854747 — an unverified report by a vehicle owner.

Rocky Point, NY

AIR BAGS

TL* TAKATA RECALL. THE CONTACT OWNS A 2008 GMC SIERRA 3500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBERS: 15V324000 (AIR BAGS); HOWEVER, THE PART NEEDED TO REPAIR THE VEHICLE WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT NOTIFIED. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE. UPDATED 05/06/16*LJ UPDATED 05/09/16.

NHTSA complaint #10849572 — an unverified report by a vehicle owner.

Angleton, TX

AIR BAGS

REPORT RECEIPT DATE: MAY 28, 2015 NHTSA CAMPAIGN NUMBER: 15V324000 COMPONENT(S): AIR BAGS GM SAFETY RECALL: 15438 COMPLAINT: THIS RECALL HAS BEEN IN EFFECT SINCE MAY 2015. RECEIVED A LETTER IN JULY 2015 STATING THEIR ARE NO PARTS AVAILABLE. NO ACTION AS OF TODAY, JANUARY 2016. SAFETY ISSUE SHOULD VEHICLE BE IN AN ACCIDENT, ETC.

NHTSA complaint #10821862 — an unverified report by a vehicle owner.

Cleveland, OH

AIR BAGS

TL* TAKATA RECALL. THE CONTACT OWNS A 2008 GMC SIERRA 3500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V324000 (AIR BAGS); HOWEVER, THE REMEDY WAS NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

NHTSA complaint #10818621 — an unverified report by a vehicle owner.

at 84,000 miles Prineville, OR

ENGINE

WHILE DRIVING IN A ONE LANE CONSTRUCTION ZONE WITH NO PLACE TO PULL OVER, THE VEHICLE LOST POWER AND WOULD NOT GO OVER 10 MPH, REQUIRING IT TO BE TOWED TO THE NEAREST DEALERSHIP. THIS DURMAX DIESEL ENGINE HAD ONLY 84,000 MILES AND HAD EXCELLENT SERVICE MAINTANCE. COST TO REPAIR IS 3860.00.

NHTSA complaint #10760769 — an unverified report by a vehicle owner.

at 84,000 miles Prineville, OR

FUEL/PROPULSION SYSTEM

WHILE DRIVING IN A ONE LANE CONSTRUCTION ZONE WITH NO PLACE TO PULL OVER, THE VEHICLE LOST POWER AND WOULD NOT GO OVER 10 MPH, REQUIRING IT TO BE TOWED TO THE NEAREST DEALERSHIP. THIS DURMAX DIESEL ENGINE HAD ONLY 84,000 MILES AND HAD EXCELLENT SERVICE MAINTANCE. COST TO REPAIR IS 3860.00.

NHTSA complaint #10760769 — an unverified report by a vehicle owner.

at 68,000 miles Garden City, KS

FUEL SYSTEM, GASOLINE

TL* THE CONTACT OWNS 2008 GMC SIERRA 3500. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 65 MPH, THE VEHICLE EXHIBITED LOW ENGINE POWER WITH AN ILLUMINATION OF THE FUEL FILTER WARNING INDICATOR ON THE INSTRUMENT PANEL. THE FAILURE RECURRED SIX TIMES. ON A SEPARATE OCCASION THE VEHICLE STALLED AND FAILED TO RESTART. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO REPLACED THE FUEL FILTER WHICH HAD BE REPLACED SEVEN DIFFERENT TIMES BEFORE. THE REMEDY FAILED TO REPAIR THE PROBLEM. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 68,000.

NHTSA complaint #10472558 — an unverified report by a vehicle owner.

at 73,000 miles Bridgeport, WV

STRUCTURE

2008 GMC SIERRA SLT UNDERCARRIAGE IS RUSTING AWAY ALONG WITH ANY COMPONENTS ROUTED ALONG UNDERCARRIAGE SUCH AS BRAKE LINES, FUEL LINES, ECT. VEHICLE HAS BEEN KEPT IN A GARAGE ITS ENTIRE LIFE. THIS CONDITION IS EXTREMELY UNSAFE AND NEEDS LOOKED AT BY GMC AND CHEVY.

NHTSA complaint #10423785 — an unverified report by a vehicle owner.

at 73,000 miles Bridgeport, WV

SERVICE BRAKES, HYDRAULIC

2008 GMC SIERRA SLT UNDERCARRIAGE IS RUSTING AWAY ALONG WITH ANY COMPONENTS ROUTED ALONG UNDERCARRIAGE SUCH AS BRAKE LINES, FUEL LINES, ECT. VEHICLE HAS BEEN KEPT IN A GARAGE ITS ENTIRE LIFE. THIS CONDITION IS EXTREMELY UNSAFE AND NEEDS LOOKED AT BY GMC AND CHEVY.

NHTSA complaint #10423785 — an unverified report by a vehicle owner.

at 2,680 miles Montrose, MI

TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

TL*THE CONTACT OWNS A 2008 GMC SIERRA K3500 (NA). THE CONTACT STATED THAT THE FRONT AND REAR TIRE PRESSURES WERE DIFFERENT AND WHEN THE VEHICLE WAS IN FOUR WHEEL DRIVE IT WAS DIFFICULT FOR THE VEHICLE TO MAINTAIN FULL TRACTION; THE FAILURE ALMOST CAUSED THE CONTACT TO LOSE CONTROL OF THE VEHICLE. THE DEALER MADE TEN ATTEMPTS TO DIAGNOSE A FAILURE. THE DEALER ROTATED THE DRIVE SHAFT AND REBUILT THE REAR END; HOWEVER, THE PROBLEM CONTINUED TO OCCUR. THE MANUFACTURER WAS NOTIFIED WHO INFORMED THE CONTACT THAT THOSE WERE THE CHARTERISTICS OF THE VEHICLE AND OFFERED NO ADDITIONAL ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE CURRENT MILEAGE WAS APPROXIMATELY 25,000. THE FAILURE MILEAGE WAS APPROXIMATELY 2,680.

NHTSA complaint #10374980 — an unverified report by a vehicle owner.

at 2,600 miles Montrose, MI

POWER TRAIN:DRIVELINE

MY 2008 GMC SIERRA 3500HD HAS A CHATTER WHEN TURNING, GM IS AWARE OF THE PROBLEM AND HAS A BULLETIN FOR A REPAIR, HOWEVER THE REPAIR MAY OR MAY NOT COMPLETELY SOLVE THE ISSUE IT DIDN'T ON MINE. WHILE TURNING THE REAR AXLES STAYS IN A LOCK POSITION AND DOESN'T ALLOW THE REAR TIRES TO TURN SEPARATE SPEEDS THIS CAN CAUSE THE VEHICLE TO GO INTO A SKID WITHOUT NOTICE AND THEY SET FRONT AND REAR TIRE PRESSURES DIFFERENT AND THE DOOR STICKERS CONFIRM THAT THIS IS LIKE DRIVING A 4 WHEEL DRIVE WITH SMALL TIRES ON THE FRONT AND BIG TIRES ON THE BACK. NOT ONLY DOES THIS CAUSE DRIVELINE FAILURES BUT ALSO COULD BECOME UNSAFE AND CAUSE A LOSS OF CONTROL. I HAVE SPUN OUT MORE THAN ONCE WHILE TURNING AT LOW SPEEDS AND ONCE WAS ON THE WAY HOME FROM THE DEALER AFTER THE SERVICE MANAGER TOLD ME IT WAS FIXED HE "DROVE IT HIMSELF" IT HAS RUINED THE TIRES AND NOW THEY ARE REBUILDING THE REAR AXLE WITH ONLY 25000 MILES ON IT.

NHTSA complaint #10372001 — an unverified report by a vehicle owner.