RoadVitals

1996 GMC Suburban Engine Problems

Owner-reported complaints naming the engine system, filed with NHTSA

Data refreshed

Engine reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
8
Latest Feb 10, 2007
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
5%
of 172 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
1
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
2

What this page shows

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components. Every record below is an owner-reported complaint about the 1996 GMC Suburban submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 8 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming engine

Shown in the owner’s own words, exactly as filed

Engine
Filed Feb 10, 2007

ON THE GMC 6.5 THE PMD, OR PUMP MOUNTED DRIVER FAILS DUE TO HEAT FAILURE, ALSO FAILING FOR NO REASON IN 8 DEGREE TEMPERATURES. WHEN IT FAILS THERE ARE NO SIGNS, WARNINGS JUST STALLING THE POWER STEERING, POWER BRAKES GONE. NOW PUT YOURSELF ON A 2 MILE HILL OF AN INSANE DESCENT, AND YOURSELF BEHIND THE STEERING WHEEL WHAT WOULD YOU DO? THIS IS INSANITY THAT THE DEALERSHIP WILL ONLY HELP YOU IF THERE IS LESS THAN 100,000 MILES ON YOUR CAR, AND THEN ALL THEY DO IS REPLACE THE PUMP, WHEN THE PUMP ISN'T THE PROBLEM ITS THE PUMP MOUNTED DRIVER. I PERSONALLY HAVE SPOKEN TO AND BEEN TO THE MANUFACTURERS AND THEY REFUSE TO ADMIT THERE IS A PROBLEM, THIS IS THE MANUFACTURER! BUT I DON'T UNDERSTAND HOW AFTER 11 YEARS NOTHING HAS BEEN DONE ABOUT THIS PROBLEM, ONLY A RIP AND REPLACE, AND IF THERE'S TO MANY MILES TO BAD FOR YOU. I HAVE TRIED ALMOST EVERY AFTER MARKET SOLUTION OUT THERE AND THESE MANUFACTURERS TOO ARE BAFFLED ABOUT THIS SITUATION. SO WHY IF THERE IS NO PROBLEM ARE THERE A DOZEN BUSINESS MAKING MONEY OFF OF TRYING TO FIX THE MANUFACTURERS PROBLEM? IF THE MANUFACTURER DOESN'T HAVE TO TAKE THE BLAME THAN WHO DOES? THE FAMILY OF 7 THAT WROTE IN? WHEN THEY DIE IS SOMETHING GOING TO BE DONE , BECAUSE ITS NOT A MATTER OF IF, ITS A MATTER OF WHEN, AND I HOPE THAT DAY NEVER HAPPENS. BUT I HOPE THAT MORE THAN THE FAMILY HAS TROUBLE SLEEPING BECAUSE I FEEL BETTER FOR TRYING TO AVOID THIS CATASTROPHE. THANK YOU FOR YOU TIME. SINCERELY CONCERNED, JON LAMB

NHTSA ID
10182187
Incident
Feb 10, 2007
Mileage
197,446 mi
Engine
Filed Mar 5, 2004

I HAVE TWO GMC VEHICLES WITH THE SAME ENGINE, A GAS 5.7L V8, THAT REQUIRED INTAKE MANIFOLD GASKET REPLACEMENT WITHIN ONE MONTH OF EACH OTHER. THE FIRST VEHICLE IS A 1996 1500 SUBURBAN WITH 90,000 MILES. THE OTHER IS A 1998 K1500 PICKUP WITH 80,000 MILES. BOTH LEAKS OCCURRED AT THE REAR OF THE BOTTOM INTAKE MANIFOLD. THE MECHANIC PERFORMING THE REPAIR STATES THIS IS A VERY COMMON PROBLEM WITH HIS SHOP PERFORMING APPROXIMATELY 5-6 A MONTH IN A TOWN OF ONLY 30,000. THE DEALER DENIES ANY GENERIC PROBLEM. INSPECTION OF THE GASKET IMPLIES A TEMPERATURE RELATED PROBLEM OF THE GASKET BODY THAT UNDERMINES THE SEAL RIDGE. *JB

NHTSA ID
10060514
Incident
Feb 24, 2004
Mileage
90,000 mi
EngineFuel system
Filed Jan 6, 2004

WE HAVE A 1996 6.5 TURBO DIESEL GMC SUBURBAN. WE HAD SEVERE STALLING PROBLEMS. THE DEALER REPLACED THE FUEL PUMP AT THEIR COST AND INSTALLED AT OUR COST, NEW GLOW PLUGS, GLOW PLUG SENSOR, BATTERY, AND BATTERY CABLES SUSPECTED TO BE THE PROBLEM. IT CONTINUED TO STALL. WE RETURNED TO THE DEALER AND THEY REPLACED THE PUMP AGAIN AT THEIR COST, BUT WE HAD TO PAY TO DROP THE TANK TO CHECK FOR CONTAMINATION. THERE WAS A DETERIORATED SCREEN WE PAID TO REPLACE. IT STILL STALLED. ONLY THIS TIME IT STALLED WHEN I WAS GOING 50 MPH AND APPROACHING CURVES ALONG THE RIVER. I LOST ALL POWER STEERING AND BRAKES. ME AND MY FIVE YOUNG KIDS ALMOST ENDED UP IN THE RIVER. HAD IT BEEN NORMAL WINTER ROADS, WE WOULD HAVE. ALL ALONG WE'VE DONE RESEARCH AND HAD IT REDIAGNOSED BY A PROFESSIONAL DIESEL MECHANIC, SO WE KNEW TO TELL OUR DEALER (AUTOMALL IN BRATTLEBORO VERMONT) TO REPLACE THE PUMP MOUNTED DRIVER (PMD) SOMETIMES CALLED A FUEL SOLENOID DRIVER (FSD). AFTER PROBLEMS WHERE AUTOMALL TRIED TO RIP US OFF FOR A FAKE $100 DEDUCTIBLE, THEY WILL INSTALL IT AT NO CHARGE TOMORROW (1/7/04). WE HAVE DRIVEN JUST OVER 1000 MILES TOTAL. HOWEVER, THIS DOES NOT FIX THE PROBLEM. FROM ALL THE RESEARCH WE'VE DONE, WEVE DISCOVERED MANY PEOPLE HAVE REPORTED THE SAME DANGEROUS ACCOUNTS OF STALLING. SEVERAL REPORT HAVING ALMOST HAD SERIOUS ACCIDENTS LIKE I HAD TWO DAYS AGO. ACCORDING TO RESEARCH, PMD FAILURES ARE THE MOST COMMON PART TO FAIL ON GM 6.5 DIESELS. THE PMD OVERHEATS BECAUSE OF PLACEMENT NEAR THE ENGINE. THERE IS A SIMPLE, YET COSTLY FIX THAT CONSUMERS SHOULD NOT HAVE TO PAY TO BE SAFE. A PUMP DRIVER COOLER (PDC) CAN MOUNT ON THE FIREWALL (NOT THE ENGINE) TO MOVE THE PMD AWAY FROM THE HEAT. PLEASE INVESTIGATE AND ISSUE A RECALL TO INSTALL PDC'S ON THESE ENGINES SO WE CAN ONCE AGAIN BE SAFE IN OUR VEHICLES. MY FAMILY OF 7 CANT AFFORD ANOTHER STALL, ESPECIALLY DURING THESE WINTER MONTHS, AND NEW PDCS ALONE CANT GUARANTEE SAFETY. THANK YOU.*AK

NHTSA ID
10052489
Incident
Jan 4, 2004
Mileage
87,947 mi
Engine
Filed Sep 5, 2001

VEHICLE WILL STALL WHEN COMING TO A STOP, HAS ALSO STALLED ONCE AT 60 MPH.*AK

NHTSA ID
895760
Incident
Aug 10, 2001
EngineFuel system
Filed Jun 2, 1999

WHILE DRIVING THE ENGINE DIES. WHEN TAKEN TO A CHEVROLET DEALERSHIP THE FUEL INJECTION PUMP WAS FOUND TO BE FAULTY. GM DEALERS HAVE NOT BEEN ABLE TO DIAGNOSE WHAT THE PROBLEM IS. THE TRUCK HAS BEEN BROUGHT TO THE GM DEALER 4 TIMES. *AK

NHTSA ID
836142
Incident
Apr 5, 1999
Engine
Filed Mar 3, 1999

THE ENGINE CUTS OFF WHILE GOING AT ANY SPEED/ AN ANY OCCASION, AND IN ANY WEATHER. REDUCED FUEL CONSUMPTION EFFICIENCY. DEALER CAN'T DUPLICATE PROBLEM, CAUSE UNKNOWN. *AK *ML

NHTSA ID
835442
BrakesEngine
Filed May 27, 1997
Crash reported2 injuries reported

UPON APPYING THE ABS BRAKES IN LOW SPEEDS, THE BRAKES FAILED 3THREE TIMES TO STOP THE VEHICLE. ONCE RESULTING IN A CRASH/INJURIES. ALSO, REPLACED OXYGEN SENSOR. *AK

NHTSA ID
810831
Incident
Apr 7, 1997
Engine
Filed Feb 12, 1997

RADIATOR FAILED.

NHTSA ID
602644
Incident
Aug 1, 1996

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Other components reported on this vehicle

Categories with enough reports to have a page of their own

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .