Transmission acting weird: Hard shifting - JeepForum.com

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post #1 of 20 Old 12-16-2012, 05:44 PM Thread Starter
nlabs
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Transmission acting weird: Hard shifting

So yea this is my first thread and i don't really know what I'm doing haha, but i have a 2000 Jeep Grand Cherokee with the 4.0 and recently its been having a really hard time shifting in the first and second, especially when i go around turns it revs up real high then goes into gear...Any suggestions??

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post #2 of 20 Old 12-16-2012, 06:04 PM
4Tom
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Check your fluid level it might be low

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post #3 of 20 Old 12-16-2012, 08:29 PM Thread Starter
nlabs
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checked the level and its dead on, and its not burnt either, and it has no codes, no check engine light, and if i floor right before it does it, it shifts fine
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post #4 of 20 Old 12-18-2012, 12:19 PM
gld1203
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Transmission speed sensor going bad, maybe? It's a $20 part you can crawl under and change yourself. Worth a try.
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post #5 of 20 Old 12-18-2012, 10:29 PM Thread Starter
nlabs
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ill try anything at this point, i just dont want to have to change the whole transmission down the road haha
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post #6 of 20 Old 12-18-2012, 10:43 PM
wgirvine
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Nlabs, I have the very same Jeep... 2000 with the 4.0L. I bought this Jeep new, and the transmission has always acted exactly as you describe unless I overfill it by a quart, maybe a quart-and-a-half. I've put over 215,000 miles on it, still runs great so I guess the extra ATF doesn's hurt anything.

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post #7 of 20 Old 12-18-2012, 11:56 PM
RigoJeep
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+1 on adding more fluid. I have the 4.0 as well and experienced the exact shifting problem while turning left. Added ATF+4 fluid a little at a time until the rough shifting went away. I thought maybe it had something to do after adding a 2" lift.
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post #8 of 20 Old 12-19-2012, 08:54 AM
wgirvine
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Maybe all of our Jeeps got the wrong dipstick!

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post #9 of 20 Old 12-19-2012, 09:20 AM
ZB_WJ
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Mine has done this since 2" lift as well...
I'm going to try adding a little more fluid.

Anyone else's dipstick pop out of the tube unless you push it in and hold it?

I think we all just need a beer. :cheers2: (courtesy of ChrisHager)

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post #10 of 20 Old 12-19-2012, 09:47 AM
wgirvine
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I don't think a lift would have any effect on it; mine's not lifted and it does it. And yes, the dipstick pops out about 1/4 inch after I push it in.

The road goes on forever, the party never ends....
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post #11 of 20 Old 12-19-2012, 09:54 AM
ZB_WJ
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I wouldn't have thought a lift would cause transmission problems either. I just read this and it occurred to me it happened right around the same time?

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This forum is a double edge blade, it's saved me thousands in repairs and cost me thousands in mods
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post #12 of 20 Old 12-19-2012, 09:56 AM
wgirvine
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I can see a transfer case drop affecting fluid levels, but my Jeep is totally stock. Even has the stock radio.

The road goes on forever, the party never ends....
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post #13 of 20 Old 12-19-2012, 09:22 PM Thread Starter
nlabs
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Location: Bangor
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yea the same here im completely stock, but next week im getting 31s (i hope to god they dont rub) and then in 3 months im getting the IRO 3 inch lift, so im just going to service in the next week or so and get the lucas additive my mechanic was talking about and hope for the best!
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post #14 of 20 Old 12-20-2012, 12:30 AM
stricnine
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I have an 04 Special edition with the 4.0 and im having the same problem. i dropped the pan changed filter and fluid to no avail im going to add lucas to see if that helps. was told it was a tps problem so i changed it and that didnt help either. another mechanic told me it was my aic valve so im going to change it in the morning. what does the transmission speed sensor look like? the jeep has 160k on it and thought maybe the tranny just going bad but if i drive the **** out of it i have no problems. any advice is appreciated. thanks
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post #15 of 20 Old 12-20-2012, 01:04 AM
gld1203
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Trans speed sensor is a plastic screw in part w elec conn. There is one on the 42RE trans (4.0L). $20 part. Easy to change out.
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