1991 GMC Suburban 2500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1991 GMC Suburban 2500

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1991 GMC Suburban 2500 Problems

Loose Steering & Alignment Issues

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.
Coolant Loss and/or Engine Overheating

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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1991 GMC Suburban 2500 Questions

I recently had fuel pump+starter replaced and it isn't getting fuel (2 answers)

Starter died trying to start with dead fuelpump, both are replaced starter switch is good, new starter+pump work. But it still won't get fuel, maybe the fuel sending unit? I keep hearing people suggest the distributor, but it just had a tune-up and ran buetifuly

transmission won't go past third gear (1 answer)

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 miles & only just recently towed a 2500 lb trailer of firewood. now suddenly i have a blown head gas...

why is air bubbling back through coolant resevoir (1 answer)

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 happened after an overheating episode when i noticed my temp go up to about 210 briefly. i immediately ...

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1991 GMC Suburban 2500 Recalls

Recall 96V226000
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.
Recall 93V016000
UNANTICIPATED HEAT IN THE TRANSMISSION CAN FORCE THE TRANSMISSION FLUID OUT OF THE VENT TUBE.

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