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Jimmy

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Question
oil leak
I can't really give you a positive yes or no answer as to whether stop-leak products will cure the problem. From experience however, I have seen them work for a time, I have seen them not work at all, and...
Question
switch for back hatch window and dome lites
Hi there. The inoperative back hatch window switch and inoperative dome lights could be, just a blown courtesy fuse. Circuit tests should be performed, if the fuse checks out good. The fuse may have been removed, if the dome light...
Question
How do I replace the air flow control door within the vents?
Hi...the absolute best, instruction by instruction, illustrated tutorial is in the GM Factory Shop Manual for the 1996 Jimmy and I checked quickly on Ebay and they are readily available. Due to the amount of detail, and inability to post...
Question
Can i swap à 4.3 chevy blazer four wheel drive into my 4.3 gmc Jimmy two wheel drive? 1995 Chevy Blazer
Hi - yes, the engine will bolt up, although some swapping of manifolds, accessory mounts, etc. may be required. The bigger issue is compatibility with engine electronics, which will include the transmission controller. Your are best off if you can...
Question
I feel a bit of hesitation when slowly rolling forward, but not when accelerating quickly.
Hello, thank you for writing in. The vehicle could be hesitating for several different reasons. The first thing to check would be the air intake system. This would include the air filter and air intake sensors. The sensors are best...
Question
Random stalling
It sounds like you may have a dirty or failing idle air control valve. The idle air control valve reads the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and...
Question
the rear wiper motor just chatters and won't move
Hello, thank you for writing in. To start, take a good look at the wiper and its linkage. Make sure nothing is obviously broken. If everything looks to be intact, then turn to the motor. There are plastic gears inside...
Question
Will removal of sway bar cause my truck to lean even when parked to one side? 1997 GMC Jimmy
Hello - no, a broken sway bar won't cause a tilt to either side just sitting there - only while turning. Your problem sounds like one of the driver-side springs, probably the front, has weakened. This causes the tilt you...
Question
Rough idle with ac and defrost on
A rough idle may be caused by many different things such as low fuel pressure, low voltage to the fuel injectors, dirty fuel injectors, a vacuum leak, a faulty Oxygen sensor or a dirty or failing idle air control valve....
Question
not turning over
Hi there: It's possible that your battery cables are damaged, wiring to the starter relay is faulty or the starter relay itself is damaged and needs to be replaced. It's also common with early 2000 GMC's for ignition relay's to...
Question
Fuel pump
Hello, thank you for writing in. There are several reasons the fuel pump could prematurely fail. The first thing to think about is the fuel filter. If the filter has not been changed, the back pressure may have worn down...
Question
Truck wont start
Hi There, This may be related to many different possibilities, some of which may be related to a lack of spark and some of which may be related to a fuel delivery problem or a combination of both. Things like...
Question
89 Jimmy not blowing air suddenly
The noise is most likely the blower motor is turning real slow due to motor burned out. The connector will get hot and may even burn out the blower resistor and switch. Replace blower motor and check connector.
Question
Overheating
Hi There, I would recommend also checking the cooling fans to be sure they are coming on. A common problem associated with cooling fans is the relay that fails resulting in them not coming on to help cool the radiator...
Question
I'm having some electrical problems with certain accessories on the car 1998 GMC Jimmy
Hello - no, this is not your ignition switch causing the problem. Something is going on here that's draining your battery. This problem can be diagnosed by connecting an ammeter to the positive (red) battery cable, observe the current drain...
Question
Can someone please tell me what electrical problems or ignition switch problems are going on with my 1998 GMC Jimmy
Hi - electrical problems that drain your battery overnight are not "acceptable" - a couple of weeks is more the standard, what with modern security systems. Something is going on here that's draining your battery. This problem can be diagnosed...
Question
Transmission will not go into gear when warmed up
Hello. From what you describe it would appear that your vehicle may be experiencing some sort of potentially serious transmission issue. If the transmission was having issues prior to mixing in the additive it may be possible that doing so...
Question
live in ohio had since 2004 never had trouble starting before wont start when its cold out
Hi there. It's possible that you've got a bad cold start injector on your Jimmy. The cold start injector, also referred to as the cold start valve, is an engine management component found on many road going vehicles. It’s purpose...
Question
Car ran out of gas - will not restart after adding more gas
You will need to check to see if the vehicle is flooded for excessive fumes from the filling of the fuel tank. The purge valve or the fuel tank vent valve is leaking fumes into the engine. You will need...
Question
Won't start
Hi There, I would double check to be sure the fuel pump is hooked up and grounded properly to be sure electricity is getting to the fuel pump. When you turn the key on, you should hear the fuel pump...

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