1991 GMC Suburban 1500 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1991 GMC Suburban 1500
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1991 GMC Suburban 1500 ProblemsABS Warning Light On and/or Erratic ABS Operation
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.
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.
1991 GMC Suburban 1500 Questionscould it be a relay (1 answer)
the a/c blower fan don't power on or the front two windows work sometimes