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Resources for the Repair and Maintenance of your GMC Jimmy

GMC Jimmy Models:

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GMC Jimmy Problems

Brakes -- Verified

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

Engine -- Verified

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.

Heating & Air Conditioning -- Verified

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.

Drive Train -- Verified

The transmission output shaft seal may leak transmission fluid. On 2WD models, this leak can cause the transmission mount to become oil soaked, which will require replacement of the mount along with the leak repair. On 4WD models, if this seal leaks, the fluid will leak into the transfer case, causing it to become overfull.

Drive Train -- Verified

Vehicles equipped whit a 4 speed automatic transmission may develop a harsh 1-2 shift and/or illumination of the Check Engine Light with code P1870 stored. This can be caused by wear of the bore for the TCC isolator and regulator valves in the valve body. This condition does not commonly occur until the transmission reaches normal operating temperature. If the valve body is worn, replacement will be necessary to correct this concern.

GMC Jimmy Recalls (Recent)

Body, Interior & Misc., August 24, 2000

RepairPal Expert Overview:

The seat belt buckles may not have been properly heat-treated during the manufacturing process. This may cause the buckles not to function correctly during a collision, which may cause injury. Dealers will replace the seat belt buckles.

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Body, Interior & Misc., September 25, 1996

Summary: THESE VEHICLES EXHIBIT A CONDITION IN WHICH A REAR SEAT BELT BUCKLE RELEASE BUTTON CAN STICK IN THE UNLATCHED (DOWN) POSITION UNDER CERTAIN CONDITIONS BECAUSE THE BUCKLE ASSEMBLY CAN MOVE INSIDE THE SEAT BELT COVER. IF THE COVER MOVES FAR ENOUGH, IT CAN CREATE AN INTERFERENCE CONDITION WITH THE LATCH RELEASE BUTTON. WHEN IT DOES, THE SEAT BELT BUCKLE CANNOT BE LATCHED.

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Body, Interior & Misc., April 24, 2003

Summary: CERTAIN SPORT UTILITY VEHICLES, MINI VANS, AND PICKUP TRUCKS MAY DEVELOP A SHORT CIRCUIT IN THE ELECTRIC OUTSIDE REARVIEW MIRROR SWITCH.

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Body, Interior & Misc., June 19, 2003

Summary: ON CERTAIN MINIVANS, PICKUP TRUCKS, AND SPORT UTILITY VEHICLES WITH CERTAIN MODEL-ENGINE COMBINATIONS, THE WINDSHIELD WIPER MOTOR MAY FAIL DUE TO CRACKED SOLDER JOINTS ON THE CONTROLLER CIRCUIT BOARD. THE WINDSHIELD WIPERS COULD WORK INTERMITTENTLY OR NOT AT ALL.

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Engine, July 3, 1991

Summary: VEHICLES HAVE BEEN SHIPPED WITH THE FUEL TANK SENDER SEAL OUT OF POSITION.

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GMC Jimmy Questions and Answers

ronjbird, 1990 GMC Jimmy, 5.7L V8, Detroit, MI

my 1988 gmc jimmy backfires through the throttle body and looses pressure when driving , and cuts off. can anyone help me?

bjc78, 1990 GMC Jimmy, 5.7L V8, Woodland Hills, CA

how do i access the key cylinder on the rear power window? the power window works from the interior switch but not from the outside key. i cant access it in order to check the connection.

bjc78, 1990 GMC Jimmy, 5.7L V8, Woodland Hills, CA

thanks for the responce oakman...i went thru the panel originally, but with the window up, the motor mechanism is in the way of the two screws on the cylinder. the does tailgate come apart somehow...

butchorion72, 1990 GMC Jimmy, Shelburne Falls, MA

The tailgate window only goes down part way on one side and seems to bind up. I took off the cover & found some rusted metal pieces/arms? in there. what are they called so I can order the corre...

chipsplitter, 1990 GMC Jimmy, Beverly Hills, CA

It is actually a 1987. Does not want to start on first try. Cranks over, i was told something about a starter clutch, didnt realize that they are on cars too. Obviously gas and power is good, an...

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GMC Jimmy Reviews

I have 2000 GMC SLE Jimmy which I bought new. It's been nothing but a nightmare since I've owned it. I've changed the water pump 3 times. A defective radiator seal caused fluid to leak in the oil compartment which cost over $1000 to repair. The A/C condenser coil water leaks on the passenger carpet and the GMC dealership NEVER correctly addressed this problem, while it was still under warranty. The problem still exists. The dealership also never correctly addressed a wheel knock issue on the front right area, while under warranty. Their lame answer for both problems were, "We can't find anything wrong." A World War II Sherman tank has a more comfortable suspension than this royal piece of garbage. I've changed every sensor and switch imaginable, that should not have gone bad, but did. The most qualified mechanics are dumbfounded about the many other problems I continue to have with this vehicle. I would recommend a jackass and buckboard before I would recommend a GM vehicle to anyone. NAFTA has destroyed American manufacturing quality! Our elected officials are bought and paid for traitors!

I bought a 1997 Jimmy SLE about 4 1/2 years ago, The transmission was out when I got it, It will shift 1 2 3 but will not go into OD and leaks fluid from the front around the seal or pump, I parked it and it has sit there for over 4 years, I thought I would rebuild the transmission now and got a new battery and installed it and now it will not start, I think the fuel pump has went out from sitting in the old gas, Anyway I poured a little gas into the throttle body and after 4 years it started right up and there was NO smoke whatsoever, So now I'm ready to fix this Lil 97 2 WD and drive it, I will update this thread after a year or so, Because I just know this Lil Jimmy be be a great Truck.

we bought this jimmy back in jan.cant keep bearings in it'fuel pump'4 front tires'front end replaced'lights stay screwed up'pops and cracks all the time engine light comes on'have it checked fine'radiator'waterpump'paintbad;ORIG.by the way;doors will lock automaticly'MAKE SURE TO HAVE EXTRA KEY HANDY IF DOOR CLOSES!DONT EXSPECT TO HAVE EXTRA MONEY JIMMY GONNA NEED IT!WOULD I BAIL OUT G.M.NOOOOOOOOOO!THEY SHOULD BAIL OUT THE PEOPLE THAT PURCHASED THEIR PRODUCTS!GOOD LORDS WILL THIS WILL BE THE LAST G.M.PRODUCT I WILL OWN!IF YOU GOTTA GOOD ONE MORE POWER TO YOU MAYBE I WILL BE THE LAST ONE TO SQEEZE THE LEMON.

1997 gmc jimmy dash light wont come on when key turned on engine turns no start herd could be anti theft if u have any idea call me 5027675985 please. only way to get to start is if i let my batt. drain down turn key to pos. rite before you start u no when the dash lights should be on then hook jump cables to it then the dash light come on then it starts but only that once cant turn off then start back please if you have any info love to hear it thanks.

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

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