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07 liberty 1st to 2nd tranny thump
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=1&t=22607
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Author:  hardhittinz [ Tue Jul 17, 2007 6:35 pm ]
Post subject:  07 liberty 1st to 2nd tranny thump

when the trans shifts from first to second gear it kinda thuds or thumps like it just dont roll in to 2nd but the rest shift fine just sometimes more than some though it just gets to the top of first the thump into 2nd anyone else experience this with a 07?

Author:  sleeve84028 [ Wed Jul 18, 2007 7:46 am ]
Post subject: 

That is pretty standard shifting on the Liberty... Very truck like.

If it bothers you some take your Jeep to the dealer and have them verify no problems with the transmission.

Author:  jdumont [ Wed Jul 18, 2007 12:22 pm ]
Post subject: 

Yea mine does it too. I think everyones does. Does it worse if you start to slow down (back off on the throttle) right as you get to the speed it wants to shift. It will still shift but it gets a little confused. Its prob noticed more from 1 to 2 because of the torque multiplication im guessing. Have the tranny reflashed by a jeep dealer and thats pretty much all you can do....

Cheers!

Author:  Jeepjeepster [ Wed Jul 18, 2007 12:38 pm ]
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Ive noticed if you keep the rpms over 2k while its shifting from 1-2 it wont do that.

Author:  jdumont [ Wed Jul 18, 2007 1:25 pm ]
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Exactly, the tranny actually appreciates a little faster acceleration. The slower you go the harder the first shift is.

Author:  sleeve84028 [ Wed Jul 18, 2007 2:37 pm ]
Post subject: 

Yup. No need to be suttle with the Liberty. the Transmission controller just finds the proper gear and "BAM!" that's all she wrote... Shoot we probably don't even need the clutches in there....


Just wait till you get the speeding down "SLAM" that was described. It feels like you just ran over a moped or something.

Author:  hardhittinz [ Wed Jul 18, 2007 4:32 pm ]
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ok cool .yea i thought i had read somewhere else that said its just the way it shifts so i wasnt to concered but just thought id ask...well thanks for the info.

Author:  jdumont [ Wed Jul 18, 2007 6:27 pm ]
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Thats what everybody is here for. You'll see after you get a bunch of posts and knowledge of your KJ that you will want to start to "give back" to others who are in need of help by answering more questions than you ask. Its a beautiful thing... Take care, Josh

Author:  hardhittinz [ Wed Jul 18, 2007 7:10 pm ]
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i see what you mean, yea well thanks again..

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