Lost Reverse suddently - JeepForum.com

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post #1 of 6 Old 11-08-2015, 08:49 PM Thread Starter
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2004 LJ Wrangler 
Join Date: May 2015
Location: Houston
Posts: 38
Lost Reverse suddently

Driving around in the mud after a big rain. Found a creek that was too deep, so backed out. It wouldn't do much in 4HI so I shifted to 4Lo and it backed out fine. Drove off and then 5 minutes later shifted to reverse - nothing. Slight whine, shift to drive and it pulls ok. Is this a common failure for reverse?

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post #2 of 6 Old 11-11-2015, 08:02 PM Thread Starter
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2004 LJ Wrangler 
Join Date: May 2015
Location: Houston
Posts: 38
Hello - nobody else has had this problem with an auto tranny?
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post #3 of 6 Old 11-11-2015, 11:36 PM
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2000 TJ Wrangler 
Join Date: Aug 2005
Location: Colorado
Posts: 19,963
Have you looked at the condition of your transmission fluid?...
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post #4 of 6 Old 11-12-2015, 05:51 AM
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2002 TJ Wrangler 
Join Date: May 2008
Location: Marietta, GA
Posts: 662
Yikes! I know where this is going....

Seems like I read this a few times a year. You got in water that was too deep, water entered your vent & ruined your transmission. You can try to flush & fill your transmission (few have had successful results), but most likely a rebuild is in your future.
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post #5 of 6 Old 11-12-2015, 11:51 AM
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1998 ZJ 
Join Date: Dec 2012
Location: Malvern
Posts: 2,162
I had tens of quarts of fluid flushed through my 32RH before it was clean and it's still ticking. Those things can take a licking but I'm not sure if your 42RLE has the same ability to take a beating, but there is a chance!

The next thing you'll want to do is extend the transmission breather up into the engine compartment. I have my zip tied to the top of the fire wall.

As mentioned, check the fluid and do a flush if necessary. Good luck!


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post #6 of 6 Old 11-14-2015, 06:16 AM
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2004 TJ Wrangler 
Join Date: May 2013
Location: Cape Cod
Posts: 40
I went through the same thing a few months ago. Pull the dipstick and smell the fluid. If it smells burned, regardless of the color (mine was pink/red), the reverse clutch plates are wasted. The only solution was a replacement or rebuild.
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