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.
Problems for specific Chevrolet Suburban 2500 years:
Car problem reports
Problem with your car? See what our experts say or submit your own.
Most reported 1991 Chevrolet Suburban 2500 problems
The distributors can go bad and set a trouble code; they should be replaced.
Faulty glow plugs and incorrect wiring to the glow plugs have been known to cause "hard start" problems.