1991 Chevrolet Suburban 2500 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1991 Chevrolet Suburban 2500
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1991 Chevrolet Suburban 2500 Problems4WD Transfer Case Position Sensor/Selector Switch May Fail
The 4WD transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code(s) stored in the transfer case control module will be of assistance in determining the exact fault causing the message to be displayed.
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 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.
1991 Chevrolet Suburban 2500 Questionshow to get part number for the power steering cooling line return? and any (1 answer)
any advice on changing it also
truck will start fine, but will not shift, like the lock is still engaged, also when it will not shift the key will not turn off. This started about a week ago and is getting progressively worse. I see fixes for trucks with tilt wheels, mine is a non tilt base truck. any fixes for this?
after my pump blew apart i rebuilt it now the steering box is leaking around the input shaft and destroying all my bushings . can i replace that seal or should i just change the box