Question about 1995 GMC Jimmy

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Hi i have a 1995 gmc jimmy. I had some tranny issues, it was shifting hard into first and overdrive. I change the filter and fluid and all hard shifting was gone. the problem is that have no overdrive now. Is there a sensor or something that might cause this?

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Being that after you changed the fluid and filter out and the shifting got easier but you lost a gear that tells me that something is coming apart in your tranny. Transmission fluid is highly detergent so if you put new fluid in a allready failling tranny most of the time the new fluid will wipe the tranny out the rest of the way. If that truck still has the 700R4 or 4L60 tranny you can try turning the car off, with the tranny in park, stomp on the accelerator peddle several times and hopefully that will free up a possible sticking throttle pressure valve. You can also try replacing the lock-up solinoid inside of the pan but that most likely isn't the issue.

Posted on Jul 20, 2009

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2 Answers

2000 GMC Jimmy won't shift to overdrive. New seal, screen, & sensor that shows what gear it is in and fluid changed. Worked for 3-4 weeks now "Service Engine Soon" light on and having same symptoms.


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Aug 30, 2015 | GMC Cars & Trucks

2 Answers

2000 gmc jimmy will not go into overdrive


There are a number of things that could cause this issue.

Now this is going to sound kind of "out there" but, does the engine temperature actually come up to around 195°, more or less?

The reason i ask that is IF the engine isn't up to proper temperature the computer will NOT allow the transmission to shift into overdrive.

Hope this helps.

Feb 21, 2015 | 2000 GMC Jimmy

1 Answer

I have a 1996 Jimmy 4x4 vortex engine, the tranny will shift from overdrive to a lower gear all by itself while going down the highway causing the rpms to go up over 3000. I pull over and shut the engine...


Hello,

A couple of things come to mind that can cause the issue you are having;

1. Make sure your transmission fluid level isn't low.

2. If your transmission fluid hasn't been changed in a long time, you could have some deposits
built up in the valve body, or the screening could be partially clogged.

3. You may have a faulty shift solenoid/shift motor.

Number 3 is most likely your problem.

I hope this helps you.

Feb 02, 2011 | 1996 GMC Jimmy

2 Answers

I have a 1995 gmc jimmy that is haveing transmission troubles


If there is an Auto Zone around your area, have the blazer scanned for the DTC codes. The DTC codes will give us the issues that needs to be addressed, which is causing your transmission to be in the limp mode. A simple misfire code will set your transmission to the limp mode and you'll lose your Overdrive. Try this, turn the ignition keys to the run position (engine not running) and pull the ECM fuse out of the fuse box at the drivers side dash. Place it back in after 30 second and start the engine, the engine may stall but let it. The engine is just relearning the engine sensors, so just restart it and go for a test drive. If there are any problems, the DTC codes will be all new so you know there all active problems and you may get your Overdrive back till the ECM detects an issues. Good luck and keep me posted, be glad to help you get your blazer running again 100%.

Nov 04, 2009 | 1995 GMC Jimmy

2 Answers

Transmission problem


Sounds like an issue when fluid gets hot, I'd start with a filter/fluid change.

I personally shy away from tranny additives, use only as a last resort to get a vehicle drivable to trade in (on a cash for clunkers program. (((SMILE))). )

Aug 11, 2009 | 1997 GMC Jimmy

2 Answers

TRANNY ISSUE


Sounds like the trans. is shot, try a quick service (Fluid and screen) if that doesnt work try a used trans.

Aug 03, 2009 | 1995 GMC Jimmy

1 Answer

99 ford taurus shift into overdrive


May not but stranger things have happened & for the price of fluid, I feel bad if I didn't try that first.

Jan 23, 2009 | 1999 GMC Jimmy

1 Answer

My 1999 ford taurus shifts ok in 3-4 gear, but from 4 to overdrive, it has a slight shimmy when it shifts to overdrive. what could it be, bad thrust washers?? or would changing the fluid and filter...


Hello;
It sounds ads the convertor lock up clutch ios going bad on you. The fluid being gray indicates metal in the fluid. You could try to change fluid and filter but you are probably looking at a rebuild.
Hope this helps;
Thanks;
Rich
RPM Northwest

Jan 23, 2009 | 1999 GMC Jimmy

1 Answer

I have a 1995 gmc jimmy 4x4 vortec engine and can not get it to 3


If it's a manual transmission, it's the bushings under the gear shift that a beat out of it. If it's an automatic, check you fluid level and filter. It may not be able to build enough pressure in the tranny if the filter is clogged or isn't enough fluid.

Jan 07, 2009 | 1995 GMC Jimmy

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