1990 GMC Suburban 2500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 GMC Suburban 2500

1990 GMC Suburban 2500 Problems

Pitman Arm and Lower Ball Joints May go Bad

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.

Service transmission every 30,000 miles
Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order.
Intake Manifold Gaskets May Leak Coolant

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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1990 GMC Suburban 2500 Questions

Electrical power on my 1990 GMC Suburban (1 answer)

My 1990 GMC suburban just quit while driving it. It lost electrical power and the only thing that works is the head lights. Is there a fuse or fuse link some where that has blown.

How can I service my throttle body on my own? (1 answer)

Rough idle under no load, and roughacceleration.

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1990 GMC Suburban 2500 Recalls

Recall 93V187000
THE RECLINER MECHANISM AND THE SEAT FRAME MAY HAVE FOAM AND/OR VINYL BETWEEN THEM, CREATING A "SOFT" JOINT. THIS "SOFT" JOINT RESULTS IN LOWER THAN SPECIFIED BOLT TORQUE WHICH LEADS TO JOINT LOOSENESS, CAUSING BOLT FATIGUE AND EVENTUAL BOLT FAILURE.
Recall 93V016000
UNANTICIPATED HEAT IN THE TRANSMISSION CAN FORCE THE TRANSMISSION FLUID OUT OF THE VENT TUBE.

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