1999 GMC Jimmy Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1999 GMC Jimmy

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The Anti-lock brake system (ABS) control unit may fail internally causing the ABS warning light to illuminate.

The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.

The heater core under the right side of the dashboard may leak engine coolant which can puddle on the passenger front floor. The loss of coolant may cause an engine overheating condition. Our technicians tell us that removal of the dash board is necessary to replace the heater on these vehicles.

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Hello, I am at my wits end tearing my hair out over this. Been a mechanic for quite a few years now but i cant seem to figure this one out. Its my personal vehicle and time is limited to get it finished.
I have a 1999 GMC Jimmy 4.3
It has come a long ways since i first purchased it but theres...

I replaced the fuel filter and pump 8 months ago. I replaced the plugs and wires 3 months ago. PCV and EGR recently replaced. Today I installed the spider injector assembly. The truck still acts like it is fighting for fuel. It stalled out on me while driving and idling. When I have been able to ...

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My friend bought a 1999 Gmc Jimmy on a good buy ..She bought it in March 2014 since then we had to replace spiders for the fuel injectors,converter,ball joints, tires seem to leak was told cause they are aluminum .Not only that gas milage 13 to 16 when we were told it should get 17 to 22.body is in nice shape.but the truck is starting to be a nightmare,..

got my jimmy in march had some problems with 4 x4 replaced the 4x4 computer moduel located inside by passange door had no problems mine also tends to rock had to replace front end n shocks other than that ita a good buy

I have a 99 GMC Jimmy and it has been great. I carry a ton of sports gear in the back at all times. It tends to rock rather bad when I am driving on the interstate, but that is probably just the suspension from all the gear. The only big problem I have had is the 4x4 electrical buttons are all on and my 4x4 no longer works which is a bummer and my Jimmy acts like it wants to switch into 4x4 som...

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