Problems for specific Chevrolet Suburban 2500 years:

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Most reported 1991 Chevrolet Suburban 2500 problems

 

Verified for the Chevrolet Suburban 2500

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.

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Verified for the Chevrolet Suburban 2500

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.

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Verified for the Chevrolet Suburban 2500

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.

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Verified for the Chevrolet Suburban 2500
The distributors can go bad and set a trouble code; they should be replaced.
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Verified for the Chevrolet Suburban 2500
Faulty glow plugs and incorrect wiring to the glow plugs have been known to cause "hard start" problems.
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