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shaggy105 03-28-2006 11:27 AM

Auto trans concern
Hello all! I have a 98 4.0L with an automatic trans. Anyway, when my engine is cold the transmission doesn't seem to shift right...When shifting it won't go into gear for a couple seconds and I have to let off the gas to keep from reving up real high...It only happens when the engine is cold and it seems to be worse on really cold days...Is this something I should be concerned about and get checked out?

jeeperman 03-28-2006 11:36 AM

I am no expert, but it sounds like you need to change the trans fluid... Either that or let the Jeep warm up for a minute before you take off... Does it do it for every shift until the engine gets warm, or only initially when you put it in gear? If it does it for every shift, I would change the fluid and see if that's the cause. If not, I would check the linkage and see if anything is worn (maybe not engaging fully on initial shift). Again, definitely no expert (I consider them black magic) but those are my initial thoughts...

shaggy105 03-28-2006 11:40 AM

thanks for the quick reply... It usually only does it the first time it shifts from 2nd to 3rd...

1BLKJP 03-28-2006 02:28 PM

Yeah, i think it sounds like a low or worn out fluid problem too. Check it and see if it smells burn or has turned brown, if so then it's time for a change.

mmasuperman12 03-28-2006 02:31 PM

just a little add on that i found out when i replaced 3 trannys in my old truck...change the filter and the fluid at the same time... if your fluid is junk then it fouls up your filter...pretty easy in any tranny i have ever worked on.

Buster 04-03-2006 07:21 PM

How many miles on your jeep?

shaggy105 04-04-2006 10:09 AM

Not that much, like 79k

Buster 04-04-2006 12:17 PM

I would start by changing the tranny fluid,and as some one said earlier, replace the filter too. Also, are your tranny cooler lines weeping/leaking..that is common on the TJ's.

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