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Old 05-09-2014, 11:54 PM
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Transmission TSB

Learned about a tranny TSB on another forum. Here are some quotes from the convo. Hope not to get in trouble, just spreading the word.

Quote:
Originally Posted by VP 14 JGCSRT;
I got mine done today. well yesterday


So yesterday I took the JGC in for a couple things that I had annotated when I bought the JGC. I described the problem and talked about the TSB. They gave push back and said we dont just do TSB but we do work off problems/symptoms and that they would have their tech look at it for problems. 2 hours after drop off I get a call that they did the update lol.

"Customer states transmission downshifts harsh from 35mph to stop.:
1819059X module, Transmission Control (TCM) -
- Reprogram / Powertrain Control (PCM) -
Reprogram and perform Transmission Adaptation Learn (2 - skilled) 330 WD94"

"443 TSB 21- 017-14 1.50 road test. No harsh shifting felt but has TSB for shifting enhancements. Performed TSB 21-017-14. Flash PCM & TCM & Perform transmission adaption drive learn procedure. Recheck O.K. LOP 18-19-05-9x"
Quote:
Originally Posted by NYSRTJeep14;
There is a new tsb for the srt transmission for anyone with shifting issues like me. It is posted on wk2 jeep tsb website. My transmsion downshifts bad I will bring it in and get this done. I will post the tsb when I get home.
Quote:
Originally Posted by NYSRTJeep14;
Quote:
Originally Posted by jbones85;
Heard from another member that had it done and he noticed a difference. I plan to hopefully have it done later this week or next week.
Quote:
Originally Posted by SirMatt;
Very much looking forward to getting this done. Will check with my dealer to see if they have this TSB update available yet. Sometimes we here in Canada seem to lag behind on availability of these.

Would appreciate feedback from anyone who has had it done.

I find the worst for me is the downshifts while coasting, 4->3 and 3->2.
Quote:
Originally Posted by Metomlin;
about time! this has been annoying me since the day I bought the jeep!

correct me but this should remove the CLUNK you get when slowing down to a stop when gears go backwards down the box.

thx

Matt
Quote:
Originally Posted by SirMatt;
AFAIK the website only lists recalls, not TSB. To get a TSB applied you have to complain to your service dept about the 'symptoms' mentioned in the TSB.
Quote:
Originally Posted by CLStech;
It does smooth out the downshifts and the clunk when coming to a stop. If you guys thought the 8 speed was smooth before... Just go get it done. Take the TSB number and they should knock it out.

I'm trying to hold my opinion but seat of the pants it feels faster from a roll from roughly 65-113 came very quickly and easily today on the "Track". I have not done a 0-60 comparison yet.
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Old 05-10-2014, 04:46 AM
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Re: Transmission TSB

read from quotes bottom up i messed it up lol
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Old 05-10-2014, 05:39 AM
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Re: Transmission TSB

Quote:
Originally Posted by VP 14 JGCSRT View Post
read from quotes bottom up i messed it up lol
Here is the one you are talking about

http://wk2jeeps.com/tsb/tsb_wk2_2101714.pdf

Link to the TSB Page and Transmission Section

Jeep Grand Cherokee WK2 - 2011-2016 Grand Cherokee Service Bulletins and Recalls

WK2Jeeps.com

Excellent resource....
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