1990 GMC Suburban 1500 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1990 GMC Suburban 1500
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
Never overpay. Check prices with our estimator
1990 GMC Suburban 1500 ProblemsPitman Arm and Lower Ball Joints May go Bad
The pitman arm and/or lower ball joints may wear causing loose steering and alignment issues. Replacement of worn components will be necessary before the alignment can be properly set to specification.
A coolant leak may develop form the Intake manifold gasket causing overheating complaints. The coolant leak may be internal allowing coolant to mix with the engine oil, this condition can result in internal engine damage. Be aware that this problem is often mistaken as a blown head gasket.
The rear axle bearings have been known to wear grooves in the rear axle shafts, creating a grinding noise and leaky axle seals. An indication that this problem has occurred is axle fluid leaking onto the wheel.
1990 GMC Suburban 1500 QuestionsI lost all electronic power and the motor shut down as well (1 answer)
I was seating there and my heater shut down first then I lost all power
I have checked the transmission fluid and it's OK
IT will sputter it wont run long even in idle.