20 Most Recent 1999 GMC Jimmy - Page 2 Questions & Answers


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1999 GMC Jimmy | Answered on Jun 24, 2017


Could be a slow IAC motor when cold.Try holding your foot down 1/4 of an inch when cold starting,if it starts quickly,then it is most likely is a gummed up/defective idle air control motor.I would like to see the engine coolant temperature sensor readings also.

1999 GMC Jimmy | Answered on Jun 18, 2017


More likely worn out bearings which are periodically seizing - have you checked the PS pump with the belt off? You should also check the other devices run by the belt for bearing trouble, particularly the idler pulley. Periodic seizing problems with worn bearings on any of these can cause the truck to stall and the low pressure signal.

1999 GMC Jimmy | Answered on Jun 14, 2017


Don't start the car !!!

Can you see the part from the whole where the distributor goes ?
If you can you may be able to fish it out.
Your distributor has a drive shaft that goes from the dist to the oil pump in the oilpan.
Hopefully it is sitting on top of the shaft.
Their are know oil lines at the bottom of you engine, everything is internal.
If you cant fish them out from the top, the oilpan will have to be removed.
I think your best bet is to try to remove the pieces from the dist hole with a magnet on a shaft or maybe very sticky tape on a shaft.
Good luck, Robert

1999 GMC Jimmy | Answered on May 05, 2017


Did you leave the key on UNTIL the anti theft light flashed or went out?Could take 20 mins.

1999 GMC Jimmy | Answered on Apr 30, 2017


Temp sensor is located on drivers side of engine. Look through the drivers side wheel well, will be a brass fitting.

1999 GMC Jimmy | Answered on Apr 28, 2017


Brske booster possibly. Do not guess when it comes to your brakes. Take it to a shop and have it done properly.

1999 GMC Jimmy | Answered on Apr 22, 2017


Looks like you can get a motor assembly at Rockauto for about 180. Not sure if the relay is separate- you should check all relay and fuse boxes for anything related to the sunroof. There is also mention of a relearn procedure that supposedly fixed someone else's issue but I can't find more info on that.
You might try ebay for the circuit board. Also, do some research and see if there are other models that use the same relay (like a Chevy blazer maybe). I doubt that board is only used in your Jimmy. Sharing parts saves them money. So see where else it's usedan and that will broaden your options.

1999 GMC Jimmy | Answered on Apr 07, 2017


There are no relay's for the power windows ! All windows inoperative ?

1999 GMC Jimmy | Answered on Apr 04, 2017


what about replacing the failed wheel bearings that ids allowing the rotor to hit the brake calliper
the grinding sound is the rotor grinding away on the calliper or worn out brake pads

1999 GMC Jimmy | Answered on Apr 03, 2017


If it is like my 98 Silverado it is replaced with some degree of difficulty. I watched a video on you tube.

1999 GMC Jimmy | Answered on Mar 30, 2017

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