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 1500 years:
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Newest reported 1991 Chevrolet Suburban 1500 problems
Coolant Loss and/or Engine Overheating
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.
3 Reports
Loose Steering & Alignment Issues
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.
2 Reports
Distributor may fail
The distributors can go bad and set a trouble code; they should be replaced.
2 Reports
Injection system may need adjustment
The injection system may need to be adjusted more frequently than recommended.
3 Reports
"Hard start" problems due to faulty glow plugs and wiring
Faulty glow plugs and incorrect wiring to the glow plugs have been known to cause "hard start" problems.
2 Reports