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Resources for the Repair and Maintenance of your 1991 GMC Suburban 2500

1991 GMC Suburban 2500

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1991 GMC Suburban 2500 Problems

Suspension & Steering -- Verified

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.

Engine -- Verified

The distributors can go bad and set a trouble code; they should be replaced.

Engine -- Verified

Faulty glow plugs and incorrect wiring to the glow plugs have been known to cause "hard start" problems.

Drive Train -- Verified

Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order.

Engine -- Verified

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 2500 Recalls (Recent)

Body, Interior & Misc., November 22, 1996

Summary: THE RECLINER MECHANISM AND THE SEAT FRAME MAY HAVE FOAM AND/OR VINYL VETWEEN 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.

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Drive Train, March 13, 1993

Summary: UNANTICIPATED HEAT IN THE TRANSMISSION CAN FORCE THE TRANSMISSION FLUID OUT OF THE VENT TUBE.

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1991 GMC Suburban 2500 Questions and Answers

Visitor, 1991 GMC Suburban 2500, 6.2L V8 Diesel, Burlington, KY

i have a solid axel 8 lug front. replacing ball joints on driver side. how do i pull the axel to get to the ball joints?

kingblue, 1991 GMC Suburban 2500, 5.7L V8, Washington, DC

i have can you tell if its your brake boost thats gone bad or your master cylinder

dwallyt, 1991 GMC Suburban 2500, 6.2L V8 Diesel, Waynesboro, VA

air bubbles back through coolant resevoir constantly pushing coolant into the reservoir & not allowing it back into cooling system thus causing "low coolant" light to come on.this hap...

dwallyt, 1991 GMC Suburban 2500, 6.2L V8 Diesel, Waynesboro, VA

transmission shifts through first, second & into third then stays in third. i am wondering if this could be related to towing. i have owned this vehicle for 170,000 out of it's 230,000 mil...

mechanic pete, 1991 GMC Suburban 2500, South Amboy, NJ

a engine quit runing wait about ten minutes engine start i was towing a trailer the engine just stop runing wait about ten minutes it star running again drive about one hundred miles it stop runnin...

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