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Transmission and drivetrainPart report

1994 GMC Suburban Transmission and drivetrain Problems

Complaints
10about this part
Share
2%of 411 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 10 complaints about the transmission and drivetrain of the 1994 GMC Suburban, 2% of the 411 complaints for this model year. 1 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Dt a recall was issued on automatic transmission cooling unit and lines, but this vehicle was not included in the recall due to VIN although it had the same failure as mentioned in the recall. Contacted GM, and they confirmed that recall did not include this vehicle.”

NHTSA complaint #10130477, filed 2005-07

“Different parts of the differential unit have been replaced (4) times with less than 39,000 miles; on (11/26/96-22,472 miles, 6/16/97- 27,825 miles, 6/19/97- 28,475 miles and 7/8/97-31,593 miles). Noises are coming from the unit, and needs replacing again.”

NHTSA complaint #818413, filed 1997-12

“The vehicle was running in park. Four year old son was climbing over the driver to get in, and accidentally knocked the gear shift lever into reverse. Contacted manufacture. This has happened before.”

NHTSA complaint #855802, filed 2000-01

“When putting on brakes the brake pedal goes down to the floor and hears a grinding noise, and the the truck will eventually stop. 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.”

NHTSA complaint #817805, filed 1997-10

“When applying the brakes there is no brake action, have hydraulic brakes . The only action that the dealer takes is bleeding brakes and master cylinder to remove air from the brake liines, however this does not remedy the problem, consumer has to pump brakes to get them to work. Transmssion slow to engage, dealer found actuator feed limit valve sticking. Rear blower on AC gave nothing, dealer repaired wire to blower motor. Repaired wiring to faulty taillamp assembly.”

NHTSA complaint #800708, filed 1996-09

Transmission and drivetrain: other model years

YearComplaintsShare of year
2002114%
2000213%
1999217%
19981515%
19972412%
1996138%
1995115%
1994102%
1993105%
199223%
199113%
199029%
198916%
1987113%

Other parts of the 1994 GMC Suburban

Brakes
276 complaints
Visibility (wipers, defrost, mirrors)
72 complaints
Tires
17 complaints
Seats
12 complaints
Electrical system
11 complaints
Engine cooling
9 complaints
Seat belts
9 complaints
Fuel system
7 complaints
Vehicle speed control
6 complaints
Other or unknown
4 complaints
Suspension
4 complaints
Wheels
4 complaints

← All problems reported for the 1994 GMC Suburban

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology