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  #325  
Old 12-28-2012, 07:17 AM
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Re: Grand Cherokee + sand = FAIL

i have 2 sets of Staun Tyre Deflators set at rock climbing pressure (20psi) and sand pressure (16psi) and this i find makes it easy.

16psi may be a little low for 20" rims but lower pressures on sand does make a considerable difference to traction
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  #326  
Old 12-28-2012, 07:33 AM
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Re: Grand Cherokee + sand = FAIL

Chrysler are knowingly allowing a lot of GC owners to experience this issue unnecessarily. I have a young family and quite frankly it could be dangerous to get stuck in a remote location. I really feel that it is unacceptable for them to allow GC owners to continue to experience this issue. Seems like they do not intend on resolving this anytime soon unless they are forced (i.e. legal action).
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  #327  
Old 12-28-2012, 08:17 AM
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Re: Grand Cherokee + sand = FAIL

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Originally Posted by Brett View Post
Chrysler are knowingly allowing a lot of GC owners to experience this issue unnecessarily. I have a young family and quite frankly it could be dangerous to get stuck in a remote location. I really feel that it is unacceptable for them to allow GC owners to continue to experience this issue. Seems like they do not intend on resolving this anytime soon unless they are forced (i.e. legal action).
I think a couple of people posted that you can avoid the problem if you switch to 4 wheel low. If so, although not a solution, it should keep you from getting stuck in a remote location. Sure safer than waiting for a lawyer to pull you out.
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  #328  
Old 12-28-2012, 05:07 PM
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If you read through both threads on this I think you will find that 4LO does not make a rats arse of difference.

If it did Chrysler would just instruct you to do this rather than flash up ABS modules and fly techs around the country.
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  #329  
Old 12-28-2012, 05:20 PM
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Re: Grand Cherokee + sand = FAIL

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Originally Posted by 750 Valve View Post
If you read through both threads on this I think you will find that 4LO does not make a rats arse of difference.

If it did Chrysler would just instruct you to do this rather than flash up ABS modules and fly techs around the country.
Actually I did read the threads and found this;

" Or leave it in low range as that engages a mechanical lock in the transfer case so it will stay in 4WD irrespective of what the ABS and traction control system is doing."

I believe it was posted by Savaas.

I didn't go back completely just now, but a recall a couple of other references to the same thing.


If Chrysler simply recommended this, they would be admitting a problem they apparently ready to do.
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  #330  
Old 12-28-2012, 07:06 PM
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Re: Grand Cherokee + sand = FAIL

Post #74 in this thread mate...

Chrysler HAVE admitted there is a problem, I have it in writing and so would everyone else that has taken the time to contact them about this issue. Their resolution so far is to apply an update as people request it, kinda sux for those that don't read forums like this and will be stuck in sand at some point in time only to contact their dealers who seem to be hit and miss on whether they will acknowledge the issue. I can say for sure that NSW dealers in Castle Hill, Newcastle and Central Coast definitely know of this issue as they have had the temporary fixes fitted at each dealership by a tech Chrysler flew up from Melbourne.
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  #331  
Old 12-28-2012, 08:28 PM
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Hi Guys maybe this problem is only with 2011 builds and doesn't impact 2012. Can someone confirm or deny this statement?

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  #332  
Old 12-28-2012, 08:42 PM
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Re: Grand Cherokee + sand = FAIL

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Originally Posted by bill_de View Post
Actually I did read the threads and found this;

" Or leave it in low range as that engages a mechanical lock in the transfer case so it will stay in 4WD irrespective of what the ABS and traction control system is doing."

I believe it was posted by Savaas.

I didn't go back completely just now, but a recall a couple of other references to the same thing.


If Chrysler simply recommended this, they would be admitting a problem they apparently ready to do.
And if you continue to read thru this thread, you'll see that others have STILL had this problem and gotten Stuck even when in 4W/Lo mode!

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  #333  
Old 12-28-2012, 09:35 PM
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Re: Grand Cherokee + sand = FAIL

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Originally Posted by live_life_tb View Post
Hi Guys maybe this problem is only with 2011 builds and doesn't impact 2012. Can someone confirm or deny this statement?
I too would be interested in the response to this question.
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  #334  
Old 12-28-2012, 11:05 PM
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Re: Grand Cherokee + sand = FAIL

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Originally Posted by bill_de View Post
I think a couple of people posted that you can avoid the problem if you switch to 4 wheel low. If so, although not a solution, it should keep you from getting stuck in a remote location. Sure safer than waiting for a lawyer to pull you out.
The problem i had was that I was unaware of the issue at the time. It wasn't until I researched the fault afterwards that I realised that switching to low could have prevented the problem.

Now that hat I know that the dealer was aware of the issue I believe that they had a duty of care to advise me at the time of my service especially since I mentioned that I was planning to use the vehicle in soft sand.

I want the issue to be listed as a recall or at the very least be mentioned to customers so that others are not caught in dangerous situations.

The dealer has now looked up my VIN and told me that my model is subject to this fault. Apparently it is a combination of engine, suspension and diff ratios???
My is a Quadra lift CRD but the issue also happened to my friends 3.6L steel sprung GC? I have been advised that it will be fixed upon the service managers return as he is the only one with the software update on his PC.
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  #335  
Old 12-28-2012, 11:07 PM
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Re: Grand Cherokee + sand = FAIL

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Originally Posted by Swampy View Post
I too would be interested in the response to this question.
Mine is a 2012 CRD with Quadra lift. My advice is to call your dealer and have them check your VIN on their system.
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  #336  
Old 12-29-2012, 05:44 AM
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Yes 2012 is affected as well, I have a May 12 built Overland that was affected
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