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96 jeep cherokee trans prob
07-11-2008, 08:19 PM
Post: #1
96 jeep cherokee trans prob
i recently bought a jeep cherokee. it was a great truck until a rod went threw the oil pan. i brought a replacement 5.2 litre engine and just got it inand now it seems to be stuck in first gear in will not shift. i was told in was stuck in limp mode. i need to know how i fix it please help
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07-11-2008, 11:29 PM
Post: #2
RE: 96 jeep cherokee trans prob
I'm not the trany expert here but if it was ok before and now it's in limp mode then chances are the computer is not getting one of the signals it needs to make the shifts happen. This can be vacuum signal or any of the various engine signals or speed signals.

I'd be looking for a plug or vac line you have missed or pinched during the engine swap before going into more exotic issues. Also check the fluid level cause you may have lost some if the radiator was out.

Rupe
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07-11-2008, 11:53 PM
Post: #3
RE: 96 jeep cherokee trans prob
so far i have:
topped off the fluid,
adjusted the detent cable,
all vacum lines are on and intacked,
checked for missed places or un hooked wires.
i have not checked for pinched wires but theres a good chance of that its a tight fit

thanks geoff
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07-12-2008, 12:02 AM
Post: #4
RE: 96 jeep cherokee trans prob
Where I'd check first is the bell housing area against the firewall and if I recall correctly there's also an extension harness wandering back from the trany to the transfer case to pick up the speedo connections.

If one of the wires slipped out of the loom it's real easy to pinch while bolting up the engine.

Rupe
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07-12-2008, 08:48 PM
Post: #5
RE: 96 jeep cherokee trans prob
i checked around the bell housing, moter mounts and along the fender walls no pinched, broken or disconnected wires now im going to try to run another ground to the transmission to see it that could be the problem
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07-14-2008, 12:00 AM
Post: #6
RE: 96 jeep cherokee trans prob
1996 jeep grand cherokee 5.2 litre full time 4wd
automatic with overdrive
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07-14-2008, 12:05 AM
Post: #7
RE: 96 jeep cherokee trans prob
Ummmm, dumb question but did you support the trany with a floor jack while changing the engine and possibly dent the trany pan?

A dent in the pan may distort the valve body or pinch a wire inside the trany.

If all else fails can you drive it to a trany shop or dealer and have them scan the computer for faults?

Rupe
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07-14-2008, 12:37 AM
Post: #8
RE: 96 jeep cherokee trans prob
i'm going to pull the pan and change fillter and fluid if that doesn't work to the tranny shop i go. i'm running out of options
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07-14-2008, 12:40 AM
Post: #9
RE: 96 jeep cherokee trans prob
If there's anything besides a bit of grey matter in the pan you can wipe out a sample on a clean shop rag and bring that to the trany shop. It may help with their diagnosis.

Rupe
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07-16-2008, 12:35 AM
Post: #10
RE: 96 jeep cherokee trans prob
Sorry for the late entry but did I read this correctly. 1996 Grand Cherokee 5.2 L 4WD, will not shift out of 1st? The elec. connector on the side of the trans, left side. There sould be 2. One the PRNDL switch. It is round and has 3 wires. The other connects into the trans case. How many wire does it have?

Cary Joe York
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