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Jeep Grand Cherokee

2465 messages,  Last post on Nov 24, 2009 at 6:34 PM

You are in the Jeep Cherokee and Jeep Grand Cherokee Forum. Your Hosts are steve_ & tidester

What is this discussion about? Jeep Grand Cherokee, SUV


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#2422 of 2465
Transmission slippage??? by blkhemi
Jun 20, 2007 (4:45 pm)
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I currently own a '01 JGC Laredo w/4.0L 2WD powertrain. Aside from brakes, the power window failure and the crazy death wobble issues, it has been surprisingly a good SUV. BUT.......................
 
At times, when crusing at around 70 mph, the transmission seems to slip in and out of overdrive, not really bad, but it is noticeable. I was wondering if any of you guys were experiencing any of the same issues. Not sure if it's a sensor or not as it shifts fine any other time, no stalling issues or anything of that nature. It has 121k highway miles on it. Any suggestions or help is definitely appreciated in advance. Thanks...
#2423 of 2465
Re: Transmission slippage??? [blkhemi] by tuggajb
Jun 20, 2007 (6:38 pm)
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Replying to: blkhemi (Jun 20, 2007 4:45 pm)

have you changed the trans fluid?
#2424 of 2465
Re: Transmission slippage??? [tuggajb] by blkhemi
Jun 21, 2007 (2:37 pm)
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Replying to: tuggajb (Jun 20, 2007 6:38 pm)

Yep. I do it every 25k miles. Just recently changed about 3 months ago.
 
BUT, since then, that's when it has started. Great idea. Thanks
#2425 of 2465
Re: Transmission slippage??? [blkhemi] by tuggajb
Jun 21, 2007 (4:18 pm)
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Replying to: blkhemi (Jun 21, 2007 2:37 pm)

do you change it yourself?
if so you could have installed the filter wrong has to be installed right
if you have the 45rfe trans you put the o ring seal on the oil pump then install filter (don't install on filter put on pumppick up) also did you use the right trans fluid? atp type 3 plus or atf type 4 (not dextron Repeat not dextron)
#2426 of 2465
2007 JGC Overland a lemon?? by 07overland
Jun 22, 2007 (8:37 am)
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I have no idea if I am in the right forum, but I need some help. I bought a 2007 JGC Overland February 11, 2007. As of right now, my Overland is back at the dealer for the 4th time because of the check engine light coming on. Every time I take it in, they tell me that the problem "is the O2 sensor, but it can't be that because we have already replaced it" they keep the car from either 2 days to 7 days and then return it to me. Of course the light is off, but within 2-4 weeeks, the light is on again and back to the dealer I go....... This time, I am dealing with the service manager at the dealer, and a letter will be going direct to corporate back East (I believe) Does anyone have any thoughts???
#2427 of 2465
2005 GC Brake Controller Installation by farmer52
Aug 14, 2007 (3:28 pm)
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Has anyone installed a brake controller on a 2005 Grand Cherokee? I have the factory installed trailer towing package. Is there a connector under the dash? If so, does a Dodge connector work? If no connector, where are the wires located? TIA
#2428 of 2465
Transmission slippage on Grand Cherokee by kara5272
Oct 24, 2007 (8:09 pm)
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Has anyone experienced transmission slippage around 70 mph? It seems to slip in and out of overdrive. The transmission works fine shifting through the lower gears and works fine. The fluid level is good and the fluid color is pink (not burnt). Can anyone recommend a solution other than getting the transmission rebuilt? I would like to avoid this expense if possible. Is it necessary to replace the filter when changing the transmission fluid or just go with one of those flushes recommended by the oil change vendors? Any suggestions are appreciated. Thanks in advance.
#2429 of 2465
Re: Transmission slippage on Grand Cherokee [kara5272] by tidester HOST
Oct 24, 2007 (8:41 pm)
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Replying to: kara5272 (Oct 24, 2007 8:09 pm)

You may want to give Grand Cherokee Transmission Problems a try.
 
tidester, host
SUVs and Smart Shopper
#2430 of 2465
Re: Transmission slippage on Grand Cherokee [kara5272] by enegma
Oct 24, 2007 (9:02 pm)
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Replying to: kara5272 (Oct 24, 2007 8:09 pm)

Check when the slipping takes place. Under load when towing and at lower speeds. When it is cold at 70 miles per hour or hot at 70 miles per hour. Does climate affect in anyway? Below 50 degrees F or above 80 degrees? You need to pay close attention to when it happens. Your statement leaves out the conditions when you experienced the problem. Verify this first.
 
Then depending on your mileage and whether you are towing a boat on a regular basis, yes changing the fluid and filter is the best idea. Even flushes require a filter change. Do that second.
 
Then if it still occurs....
 
Your problem could be the Transmission control switch or sensor that talks to the computer in your vehicle. If it is intermittent(electrical connection) or temperature sensitive(i.e. only slipping when transmission is running hot or cold, or when transitioning from cold running to warm running to normal operating temperature)it could cause the problem your having. However you will need a dealer or transmission shop to verify it. Dusty road conditions, vibration, water, sandy conditions could make the connections intermittent. The transmission control switch is usually located under the vehicle mounted to the transmission housing. If it does not do it at low speeds, have a mechanic check for loose connections or even shorted wiring harness that could be touching the engine chassis.
 
Talk to a mechanic about the issue using my recommendations and write down what you observe. Then that will give him a better idea of where to look. Chances are your transmission will not need to be rebuilt. This is just 2007.You model year was built in 2004. Transmission don't go out in 3 years. If your vehicle has something is really wrong. I hope what I have stated helps.
#2431 of 2465
Re: Transmission slippage on Grand Cherokee [enegma] by kara5272
Oct 25, 2007 (6:29 pm)
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Replying to: enegma (Oct 24, 2007 9:02 pm)

This condition occurs during regular driving on the streets or freeways at anytime the speed gets above the range where it should shift into overdrive (55 ~ 65mph). The slipping is only in and out of overdrive after the car has warmed up (normal operating temp). The average outdoor temp range is 55 - 75 this past week when the problem began.
 
I've read a few other experiences where the transmission filter should be changed and the "O" ring installed properly. Is anyone familiar with this solution?

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