1998 GMC Savana 3500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1998 GMC Savana 3500

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1998 GMC Savana 3500 Problems

Engine Misfire Due to Worn Valve Seat

The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engine Light to illuminate. Our technicians tell us the misfire may or may not be felt while driving. They further recommend that both cylinder heads be removed and thoroughly inspected and repaired as necessary.

Check Engine Light Due to Loose or Worn Gas Cap

A loose or worn gas cap could be cause the Check Engine Light to illuminate.

Check Engine Light and Misfire Due to One or More Stuck Closed Fuel Injectors

One or more fuel injectors may become stuck closed causing an engine misfire  and the Check Engine Light to illuminate. Our technicians tell us that this problem can be caused by some fuel additives. There are special procedures which may be able to restore the affected injector. If this fails the affected injector must be replaced.

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1998 GMC Savana 3500 Questions

Where is the fuel filter? Also where is the fuel pump? Thanks! (1 answer)

It is also a diesel. It's not turning over and there is no fuel smell, could it be just the fuel filter or could it be something else. Thanks again.

Auto transm does not shift into high gear when the light in the shift indicator (1 answer)

is out. When engine is warm the light goes on and the transm goes from low to high gear.
car will not go over 35mph when light is out

Air conditioner doesnt work (1 answer)

3 Mechanics cant find whats wrong with 2 air conditioners in my 1997-98 GFMC Savana short school bus.3500.I bought the short school bus and converted it in to a vending bus by taking out all seats and put in cabinets shelving etc...There's one air conditioner of course that is part of the tru...

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1998 GMC Savana 3500 Recalls

Handicap Conversion Vehicles: Wheel Chairs Not Secure In Retractors

The retractor that secures a wheel chair in a handicapped conversion vehicle may be ineffective. Dealers will inspect and replace the wheel chair securement retractors as necessary to resolve the concern.

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