Auto Trans Odd Shifting -

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post #1 of 5 Old 06-22-2009, 09:54 AM Thread Starter
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1989 YJ Wrangler 
Join Date: Sep 2008
Posts: 829
Auto Trans Odd Shifting

My ZJ seems to be shifting weird, it revs out the gear alot farther than i have heard from any other truck including our WJ. For example when i go up my hill that i live on if i dont pick up some considerable speed it just stays in 1st all the way up, if i catch some speed it stays in second. It does not feel like our WJ which i would assume has the same auto trans.

Checked fluid level, its fine. Overdrive is on, but that should not matter because thats 3rd gear and up?

'89 YJ Wrangler - Sold
'95 ZJ Orvis Edition
'89 YJ Islander
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post #2 of 5 Old 06-22-2009, 01:03 PM
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1993 ZJ 
Join Date: Nov 2004
Posts: 47
dump some lucas transmission oil additive in there. Mine was doing similiar things along with hard shifting. Poured about a Qt. of lucas in there and after about 2 days of driving it around feels like a new transmission.
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post #3 of 5 Old 06-22-2009, 03:17 PM
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2010 JK Wrangler 
Join Date: Jan 2009
Location: Claremont
Posts: 1,409
mine is kinda doing the same thing ill have to try it where can you buy the lucas transmission oil additive?
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post #4 of 5 Old 06-22-2009, 05:11 PM
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1993 ZJ 
Join Date: Nov 2004
Posts: 47
autozone sells all kinds, I just noticed they have power steering fluid as well, I think I'm gonna drain my PS pump and try that to see if it fixes my PS gearbox
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post #5 of 5 Old 06-22-2009, 05:57 PM
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1997 ZJ 
Join Date: Dec 2006
Posts: 19,793
lucas is snake oil.

'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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