Wk/Wh 2005~ Grand Cherokee Faults And Issues - Page 12 - Jeep Garage - Jeep Forum

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  #133  
Old 06-10-2015, 03:54 AM
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Had my 05 hemi for two years.. Took it to the dealer for the transmission recall and learned my lesson real fast. that's it but she's likes to moan and complain when I put new parts on her. Lift tires engine work LTs etc.. Only part that is acting up is a transmission sensor. Nothing has broken on me yet.

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  #134  
Old 07-11-2015, 03:31 PM
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Re: Wk/Wh 2005~ Grand Cherokee Faults And Issues

Quote:
Originally Posted by Sleeps View Post
Had my 05 hemi for two years.. Took it to the dealer for the transmission recall and learned my lesson real fast. that's it but she's likes to moan and complain when I put new parts on her. Lift tires engine work LTs etc.. Only part that is acting up is a transmission sensor. Nothing has broken on me yet.
What are the symptoms of your bad transmission sensor? Do you get a vibration when you're in overdrive and low rpm's? Mine started doing that a little while ago; I'd be going up a minor hill with cruise control set at about 45, and then I'd start getting vibrations until I downshifted. It seems to only happen in overdrive. I shut off MDS to see if that was part of the problem and it wasn't.
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  #135  
Old 07-14-2015, 05:37 PM
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Re: Wk/Wh 2005~ Grand Cherokee Faults And Issues

After doing a bit of research, it sounds like I might be having problems with my torque converter clutch engaging when it shouldn't and, more recently, disengaging when it shouldn't. There is a solenoid which controls it, and of course electrical connections that may be bad. However, I suspect that the shift points loaded into my computer by my Diablo tuner may be the source of the problem. I intend to load my stock tune and see what happens before I take it to the stealership or a tranny shop for a good old-fashioned raping.
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  #136  
Old 07-14-2015, 07:51 PM
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Re: Wk/Wh 2005~ Grand Cherokee Faults And Issues

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Originally Posted by mtmule6 View Post
After doing a bit of research, it sounds like I might be having problems with my torque converter clutch engaging when it shouldn't and, more recently, disengaging when it shouldn't. There is a solenoid which controls it, and of course electrical connections that may be bad. However, I suspect that the shift points loaded into my computer by my Diablo tuner may be the source of the problem. I intend to load my stock tune and see what happens before I take it to the stealership or a tranny shop for a good old-fashioned raping.
Sounds like mine, new torque converter did not fix it. Good luck with your Heep.
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  #137  
Old 07-14-2015, 07:57 PM
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Re: Wk/Wh 2005~ Grand Cherokee Faults And Issues

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Sounds like mine, new torque converter did not fix it. Good luck with your Heep.
Thanks, bud. Gonna try out my theory tomorrow. What was the fix for yours?
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  #138  
Old 07-14-2015, 08:03 PM
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Re: Wk/Wh 2005~ Grand Cherokee Faults And Issues

Mine did that too, right up until I sold it. Only when holding a high gear uphill in a very specific load range. I got around this occasional issue by tipping the shift lever sideways where the mapping alters.

Mine was not Diablo equipped or tuned in any way. It happened only in very specific situations so I never bothered chasing an "issue". I didn't believe there was one, I believed it was a mapping oversight.
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  #139  
Old 07-15-2015, 01:17 AM
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Re: Wk/Wh 2005~ Grand Cherokee Faults And Issues

Haven't fixed it yet, it goes to the dealer about every 3 months, most problematic vehicle I've ever owned, can't wait to trade it off.
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  #140  
Old 07-17-2015, 01:14 PM
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Re: Wk/Wh 2005~ Grand Cherokee Faults And Issues

Thankfully, loading the stock tune back into my computer seems to have done the trick for getting rid of that vibration and funky torque converter clutch plate action. I'll be taking it on a 9-hour road trip next weekend, so this comes as a relief. This weekend, I think I'll load the 87 octane tune back in to see if I can replicate the problem. If not, I'll just write it off as some freaky-deeky computer shit and not give it another thought.
Matt, have they checked out the TCM, TCC solenoid, and all the connections? You might also want to take it to a different shop; it never hurts to get a fresh set of eyes on the issue. Best of luck, man. I know how it feels to have a car you love let you down.
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  #141  
Old 07-19-2015, 06:48 AM
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Re: Wk/Wh 2005~ Grand Cherokee Faults And Issues

Roger that, I take it to the dealer because they don't give me a hard time about my service contract. Thank God I got that because there has been thousands of dollars of work done on it and I only pay a $50 co-pay. I ran across a possible cause just yesterday, will be testing it this week and I will give details if they produce a positive outcome. Hope your trip is uneventful.
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  #142  
Old 07-19-2015, 10:31 AM
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Re: Wk/Wh 2005~ Grand Cherokee Faults And Issues

WHEELS and BRAKES -
- front rotors required machining at approx 40000 miles.

Thanks, First issue resolved.
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  #143  
Old 08-14-2015, 10:45 AM
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Re: Wk/Wh 2005~ Grand Cherokee Faults And Issues

So, definitely had an "oooohhhh crap" moment a couple days ago. Earlier, I mentioned that I'd get a shudder when the TCC (torque converter clutch) was supposed to engage. For a little while, I thought that loading the stock tune would make it stop. It did, for like 40 miles, then it came back. It was getting very slightly worse until two days ago when I started to leave my office. I put it in reverse, and it took a second or two to engage. Same thing when I put it in drive. Then, when I was driving on the highway, it simply refused to shift into overdrive. I was doing 60-65 mph at about 3k rpm. Normally those speeds would be about 2k rpm. After a minute or two, the ECU threw codes for incorrect gear ratios in gears 2, 3, and 4. Turns out, that's known as "fail-safe" mode. Naturally, I drove it straight to the local transmission shop.
I went in this morning to check it out and he showed me the trans pan, which had some cloudy tranny fluid and some white-ish foamy looking semi-fluid. (side note: I had had the trans fluid flushed about 2000 miles ago.) He said it looked like I got water or coolant in my trans fluid, either from condensation or from the radiator itself.
My questions: would water in the fluid be the only cause of the issues I was having, and have any of you other fellas had this issue? If so, did you have to replace your radiator?
Any help would be greatly appreciated. The guy has been working on transmissions for decades, but I would like to hear a second opinion.
I have an '05 WK Hemi.
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  #144  
Old 08-30-2015, 04:23 PM
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Re: Wk/Wh 2005~ Grand Cherokee Faults And Issues

I didn't think on these that it had a in tank cooler where the water could have come from, but a separate cooler independent of it? Did you have the same problems before the flushing as on other trans just having that done can cause damage. Many a AW4 trans in an XJ died from a flushing alone.
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