Wk/Wh 2005~ Grand Cherokee Faults And Issues - Page 13 - Jeep Garage - Jeep Forum

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Old 08-31-2015, 01:16 PM
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Re: Wk/Wh 2005~ Grand Cherokee Faults And Issues

Originally Posted by Gojeep View Post
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.
I got it flushed before a 10-hour round trip, and didn't notice any issues until after that trip. The trans on mine is a 545RFE, and the trans shop owner showed me where the trans lines definitely go into the radiator before the external cooler. He installed a bigger cooler and eliminated the line going through the radiator. He also added a thermostat. No further issues since the rebuild. He also showed me all the clutches, which were blackened, and showed me where the torque converter got so hot it literally blued part of the metal casing. I'm damned lucky I didn't get a fire. It was, however, a ridiculously expensive job. He rebuilt the whole transmission and put in a Transgo shift kit. It drives a lot better now. On the bright side, I effectively have a brand new transmission. (sarcastic cheering)

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Old 09-11-2015, 01:32 AM
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Re: Wk/Wh 2005~ Grand Cherokee Faults And Issues

- Multifunction headlight switch/stalk - Several people having problems with them not having the proper connection. Causes lights interior/exterior to go NUTS sometimes! flickers, dims. And when the stalk is given a nice bump, they go back to normal.

I can confirm that this has happened in my '07 WH Grand Cherokee. I'm just past 55,000km (about 35,000 miles). It can happen at startup or after I've been driving for a while. It sucks to have your lights suddenly start flickering at the guy in front of you or go out entirely while you're driving down the street.

Btw, my mechanic was unable to replicate it, so has no idea how to fix it. I'm just living with it at the moment...
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Old 10-15-2015, 12:22 PM
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Quadra-Lift Suspension System....Extended Warranty info

I just wanted to post my resent experience with the Quadra-Lift Suspension System in my 2012 JGC Overland 5.7 V8...Each morning when I came out to my vehicle i noticed my suspension was almost all the way deflated on the passenger front side. Tech found that the there was an problem with Air Ride block Valve...they reported the issue to the warranty coverage company and stated there was moisture in the valve...Note this is an extended Platinum Warranty..Manufacturer Warranty has run out. Warranty Company sent me along with the Dealer Coverage Denial FOR A BREAKDOWN WHEN CONTAMINATED FLUIDS CAUSED or CONTRIBUTED TO THE BREAKDOWN.
Their position was that I must have submerged the vehicle which caused water intrusion into the system and ultimately caused the failure...Prior to that moment, I knew nothing about the air ride system.
I was able learn as much as possible about the quadra lift system all on the internet and found that condensation can occur within the system itself. In Dryer failure the dryer, which functions to remove moisture from the air system, eventually becomes saturated and unable to perform that function. This causes moisture to build up in the system and can result in damaged air springs and/or a burned out compressor. I presented these findings to the dealer and Extended Warranty Company and requested immediate coverage and repair due to the fact that no Contaminated Fluid came from any outside source that has caused this damage other than normal condensation within the system itself. 7 Days into this, I have received a call from the Extended Warranty Company Management who has now approved and Warrantied this repair. Just some useful information that may help with anybody else having warranty coverage issues.

Good luck.....
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Old 04-13-2017, 09:13 AM
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I'm having problems with my Jeep the pcm is telling my alternate to charge 19 to 20 v. I put new pcm ne batterie new alternator in. When I unplugged the pcm wires from alternator Jeep runs fine all gauges work fine runs fine till batterie is drained. What and where can I look for problem?
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