1990 GMC Jimmy Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1990 GMC Jimmy
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
Never overpay. Check prices with our estimator
1990 GMC Jimmy ProblemsReplace Fuel Filter Every 30,000 to Prevent Fuel Pump Failure
The distributor may develop internal faults. This can cause a rough running engine or stalling condition, the Check Engine Light may or may not illuminate. Our technicians tell us that the distributor should be overhauled or replaced to correct this concern.
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Running the engine with a coolant/oil mix may result in engine damage. Replacing the intake manifold gasket should correct this issue.
1990 GMC Jimmy Questions1988 gmc jimmy. What would make my headlights cut on and off? (1 answer)
The headlights cut on and off after running for about ten minutes thought it was the alternator so replaced that and the still do it what could it be?
First, I want to go ahead and thank anyone who takes the time to try to answer my question. Second, the latest model provided in the drop box was for a 1990 model, that is what I selected because it was the oldest. My truck is actually a 1985 GMC Jimmy 4x4 with a 305. I recently changed the start...
How do I take a part the rear axles just to replace the seals?
By dismantling the wheel, or through the differential? With some detail please.
Thanks in advance!