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Unread 03-31-2010, 09:38 AM   #1
NoGo_Laredo
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1999 WJ 
 
Join Date: Mar 2010
Location: Springfield
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Tranny wap gone kamikaze

Just swapped the transmission not two weeks ago, and when it was swapped, it had an issue with staying in gear, you couldnt drive it a minute without it losing gear entirely. It had to be turned off, put in park, wait a minute, and start it again to ride for another minute. Tranny place says "the tranny is good, they only sell good working trannys, it must be an electrical problem"

There was a speed sensor replaced, but apparently theres more that were too expensive to purchase. Could a speed sensor be an issue? Also, the cruise control no longer works.

This is all I know about the issue, hopefully I can get some feedback on it, anything helps!

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Unread 03-31-2010, 09:47 AM   #2
ezflip
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The cruise control has nothing to do with tranny, so im guessing thats a separate issue.

Check the fluid level of the tranny. Get tranny up to temp, park on a level surface, shift through all gears then leave it in Neutral, then check the fluid level.

If you had a tranny place install it, and it was their tranny, they are obligated to fix it till works. I cant really think of anything electrical that would make it do that, so Im thinking your tranny shop is full of ****. Since you have 42re with your 4.0, there is no transmission control module to cause anything like that.
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Unread 03-31-2010, 10:31 AM   #3
NoGo_Laredo
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1999 WJ 
 
Join Date: Mar 2010
Location: Springfield
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Thats useful, IDK if they thought of the fluids or not. It wasnt installed by the place, they sold the tranny for $500 in RI and her boyfriend installed it in their driveway. Just curious, what could have gone wrong during the install if they werent careful that could cause these issues? I dont really know his mechanical skills, so might as well speculate on that too.
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Unread 03-31-2010, 10:33 AM   #4
ezflip
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First thing I would check is the shifter cable. Make sure its not binding up along the way and make sure it is adjusted correctly. It could just be that it is not fully engaging into gear. Try shifting it into 1st and see if it slips out then.
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Unread 03-31-2010, 04:59 PM   #5
ratmonkey
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don't drive it any more till you remove the cooler line check ball and flush the cooler. replace with all new fluid as well.
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