FaultScore

1994 GMC Suburban engine problems

11 of the 490 complaints about the 1994 GMC Suburban are about the engine — 2% of everything reported for this model year.

A

11

Complaints

0

Crashes

0

Fires

0

Injuries

Exactly what failed

Gasoline 3 27.3%
Engine 2 18.2%
Belts AND Associated Pulleys 2 18.2%
Engine AND Engine Cooling 2 18.2%
Radiator Assembly 1 9.1%
Cooling System 1 9.1%

Engine & Cooling across every GMC Suburban year

1994 11 18.3%
1997 21 35.0%
1999 28 46.7%

What owners said

Filed with NHTSA, in their own words.

Tucson, AZ

ENGINE AND ENGINE COOLING:COOLING SYSTEM

THE ENGINE SEEMS TO RUN TOO HOT LATELY. I'VE REPLACED THE THERMOSTAT & FLUSHED SYS. W/ NO IMPROVEMENT. WIPERS STOPPED WORKING W/O REASON AND WASHER MOTOR DOESN'T DISPENSE WATER PROPERLY. ONLY 1 REAR DOOR WINDOW DEFROSTS AND ONLY PARTIALLY. I'VE CLEANED CONTACTS W/ NO RESULTS. REAR DRIVERS SIDE WINDOW POWER DOESN'T WORK. USED TO WORK OFF AND ON, BECAUSE OF IRREGULARITY WINDOW IT'S LEFT UP AT ALL TIMES.

NHTSA complaint #726082 — an unverified report by a vehicle owner.

Tucson, AZ

ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

THE ENGINE SEEMS TO RUN TOO HOT LATELY. I'VE REPLACED THE THERMOSTAT & FLUSHED SYS. W/ NO IMPROVEMENT. WIPERS STOPPED WORKING W/O REASON AND WASHER MOTOR DOESN'T DISPENSE WATER PROPERLY. ONLY 1 REAR DOOR WINDOW DEFROSTS AND ONLY PARTIALLY. I'VE CLEANED CONTACTS W/ NO RESULTS. REAR DRIVERS SIDE WINDOW POWER DOESN'T WORK. USED TO WORK OFF AND ON, BECAUSE OF IRREGULARITY WINDOW IT'S LEFT UP AT ALL TIMES.

NHTSA complaint #726082 — an unverified report by a vehicle owner.

Everett, WA

ENGINE AND ENGINE COOLING

CONSUMER WAS TRAVELING 55MPH ON AND VEHICLE STARTED OVERHEATING WITHOUT PRIOR WARNING. TEMPERATURE GAUGE WAS STILL IN NORMAL STAGE, AND VEHICLE JUST SHUT OFF. A TOW DRIVER WAS CALLED OUT TO JUMP START VEHICLE, AND FOR FIRST THIRTY MINUTES IT WAS OKAY. THEN, TEMPERATURE GAUGES WENT UP, AND VEHICLE HAD TO BE TOWED TO A SHOP. MECHANIC TOLD CONSUMER THAT CRANKSHAFT BROKE.

NHTSA complaint #867460 — an unverified report by a vehicle owner.

Everett, WA

ENGINE AND ENGINE COOLING:ENGINE

CONSUMER WAS TRAVELING 55MPH ON AND VEHICLE STARTED OVERHEATING WITHOUT PRIOR WARNING. TEMPERATURE GAUGE WAS STILL IN NORMAL STAGE, AND VEHICLE JUST SHUT OFF. A TOW DRIVER WAS CALLED OUT TO JUMP START VEHICLE, AND FOR FIRST THIRTY MINUTES IT WAS OKAY. THEN, TEMPERATURE GAUGES WENT UP, AND VEHICLE HAD TO BE TOWED TO A SHOP. MECHANIC TOLD CONSUMER THAT CRANKSHAFT BROKE.

NHTSA complaint #867460 — an unverified report by a vehicle owner.

Clinton, CT

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

WHILE TRAVELING VEHICLE CUT OFF WITHOUT PRIOR WARNING, CAUSING LOSS OF POWER STEERING AND POWER BRAKES, AND MAKING IT VERY DIFFICULT TO STEER THE VEHICLE. CONSUMER HAS CONTACTED DEALER. HOWEVER, DEALER UNABLE TO DETERMINE THE CAUSE OF THE PROBLEM. PLEASE PROVIDE ANY FURTHER DETAILS.

NHTSA complaint #846531 — an unverified report by a vehicle owner.

Covington, LA

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

WHILE DRIVING ON HIGHWAY VEHICLE LOSES POWER WITHOUT ANY INDICATIONS.

NHTSA complaint #845954 — an unverified report by a vehicle owner.

Ballwin, MO

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

SERPENTINE BELT FAILED CAUSING SLIPPING.

NHTSA complaint #507780 — an unverified report by a vehicle owner.

Kearney, MO

ENGINE AND ENGINE COOLING

WHEN PUTTING ON BRAKES THE BRAKE PEDAL GOES DOWN TO THE FLOOR AND HEARS A GRINDING NOISE, AND THE THE TRUCK WILL EVENTUALLY STOP.*AK REAR AIR CONDITIONER CONTROL KNOBS WILL NOT STAY ATTACHED TO THE CONTROL, DEALER REPLACED THE KNOB AIR CONDITIONER DOES NOT BLOW COLD AT AN IDLE. BOTH FRONT AXLE SEALS WERE LEAKING OUT FLUID FROM THE LEFT FRONT AXLE, DEALER REPLACED BOTH SEALS AND RIGHT AXLE. OIL PRESSURE GAUGE DIPS DOWN INTO THE RED AT AN IDLE. TEMPERATURE GAUGES READS HOT. *SLC

NHTSA complaint #817805 — an unverified report by a vehicle owner.

Milwaukee, WI

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

ENGINE ACCESSORY BELT REPLACED.

NHTSA complaint #514541 — an unverified report by a vehicle owner.

Deer Park, NY

ENGINE AND ENGINE COOLING:ENGINE

ENGINE OIL LEAK.

NHTSA complaint #966502 — an unverified report by a vehicle owner.

Perry Poin, MD

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

ENGINE KNOCKS WHEN COLD START.

NHTSA complaint #480966 — an unverified report by a vehicle owner.

Other 1994 GMC Suburban problems

← Full 1994 GMC Suburban report