1999 GMC Jimmy Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1999 GMC Jimmy
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1999 GMC Jimmy ProblemsABS Light Due to Brake System Control Unit Failure
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.
1999 GMC Jimmy Questions99' JIMMY 4.3 My 4wd was serviced and HAD FRONT DIFF. AND TRANSFER CASE REPLACED. now the service4x4, light is lot up full-time and 4 button selector , has no lights at all, EVER! (1 answer)
Just put speed sensors in transfer case, already . it went in for probs. W/ Jimmy not selecting w/ 4wd or2wd ID like
Then it would self cancel and after a while of clicking , would shut down and service 4wd would light up on dashboard
Just did full tune up . gas gauge hasn't worked for a year. Issue w/ bucking and nearly stalling,was mostly eliminated. But was the root cause , of my fuel pump exchange. Still no gauge . did coil.tps as well
Pimp pressure of old pump was holding near 50 psi. Borderline I thought..any volt ...