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SUVs Jeep Cherokee and Jeep Grand Cherokee Jeep Grand Cherokee Transmission Problems
511 messages, Last post on Dec 07, 2009 at 2:50 PM
You are in the Jeep Cherokee and Jeep Grand Cherokee Forum. Your Hosts are steve_ & tidester
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Replying to: nneal (Oct 31, 2009 2:42 pm)
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Replying to: xelvis66x (Oct 31, 2009 3:30 pm)
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Replying to: nneal (Oct 31, 2009 6:51 pm)
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Replying to: xelvis66x (Nov 01, 2009 12:59 pm)
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Replying to: xelvis66x (Nov 01, 2009 3:25 pm) I had a previous experience earlier this year where my TPS was affecting shifting and engine performance on my 98 Cherokee with 198,000 miles. Replacing the TPS only "fixed" it about 2 days. In the end, it wasn't the TPS, but the female connector plug going to the TPS. The weight of the wire harness on the connector had weakened the grip of the connector (female) prongs. Only after I disassembled it and squeezed the prongs tighter did it work. Initially I thought I was dealing with a broken wire, because moving the wire harness would make it act up, only to find out later the connector itself was the culprit.
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Replying to: nneal (Nov 01, 2009 5:58 pm) Today I found a plug inside that was mentioned in that link which is for the tranny and to me it looks fine but i'll have to have my brother look at the reading. Tomarrow when I drive it to school I'm going to see what codes come on the scanner, i had some MAP sensors that were from some GM cars which is what is used on some jeeps, and i'm going to see if the MAP code goes away. I also will take that TPS plug apart again and make the female end tighter. Thank you this is alot of help! |
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Replying to: nneal (Nov 01, 2009 5:58 pm) 
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Replying to: xelvis66x (Nov 03, 2009 6:48 pm) One thing I was unaware of while looking at the Transmission manual, was how close the adjustment on the Throttle Valve cable is supposed to be. If this applies to your vehicle (if you're not aware of it), look at page 21 - 6 in the manual, They want it "within 1 mm (0.039 in.) in either direction" . The total tolerance they allow you is a hair over 1/16" of an inch! I wasn't used to Throttle Cable adjustments using tolerances that close. On a previous GM vehicle I had, they said to push the cable back into the bracket, then push on the accelerator to the floor bringing it back out and resetting it. I know using this method I wasn't getting tolerances they call for in the transmission manual here. The 42RE Tranny manual shows the adjustment on page 21 - 44. Let us know if you discover anything more.
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Replying to: kidrock (Jan 11, 2009 12:11 pm) |
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My girlfriend has a 2005 Grand Cherokee Laredo, and while she is driving she says the car will occasionally shift into neutral and all the dashboard gear shift lights will light up. The check engine light will also come on periodically. Does anyone have any idea what might be causing this?
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