Power Train Related Problems of the 1999 GMC Jimmy

Table 1 shows 16 common power train related problems of the 1999 GMC Jimmy. The number one most common problem is related to the automatic transmission (five problems). The second most common problem is related to the differential unit (two problems).


Recently reported Power Train problems of the 1999 GMC Jimmy

The Automatic Transmission problem

1999 GMC Jimmy. Transmission issues. New tranny needs to be rebuilt by 80,000 miles. Seats and structure of handles break easily and last for maybe 35,000, new hubs required by 40,000, bail joints fail without warning creating serious road hazards, alternator failure, ujoint failure.   Read details...

The Differential Unit problem

: the contact stated while driving 30 mph, there was a thumping noise from underneath the rear of the vehicle, and it was difficult to steer from side to side. The vehicle was inspected by an independent repair shop, who determined the differential unit failed and needed to be replaced.   Read details...

The Transfer Case problem

I bought my 1999 GMC Jimmy when I was 16, I loved it 4x4 but the transfer case locked up and the engine light came on causing the thing not to read how much gas I have and not allowing it to pass inspection.   Read details...


Power Train related problems in other GMC Jimmy model year vehicles:



Fuel Economy of Jimmy Vehicles
Jimmy Service Bulletins
Jimmy Safety Recalls
Jimmy Defect Investigations