1990 GMC Suburban 2500 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1990 GMC Suburban 2500
Verified by mechanics, reported by drivers like you
1990 GMC Suburban 2500 ProblemsRear Axle Bearing May Fail
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.
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.
1990 GMC Suburban 2500 QuestionsElectrical power on my 1990 GMC Suburban (1 answer)
My 1990 GMC suburban just quit while driving it. It lost electrical power and the only thing that works is the head lights. Is there a fuse or fuse link some where that has blown.
Rough idle under no load, and roughacceleration.