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tentay 12-27-2011 09:45 PM

Transmission pops out of 5th gear over 55MPH
I'm trying to find out what is wrong with my transmission. I have a 2000 Wrangler Sahara- a NV3550 (5 speed manual).

It usually pops out of gear as I'm cruising down the highway. Sometimes I can go a few miles then it pops out, sometimes 15 minutes. If I get to about 55 MPH in 4th and then shift into 5th and maintain 55 MPH it will cruise and cruise ( went 1.5hrs this way two days ago).

I have noticed when I am in Neutral, I hear a grinding sound, I think its related but not sure.

Do I need to replace the clutch? the 5th gear?

Redsand 12-28-2011 12:51 AM

the rattleing sound in nuteral is normal for the 3550, do you have a body lift?

tentay 12-28-2011 12:13 PM

no body lift, but I do have a 1" TC drop for the 3.5" RE Lift

ou812 12-28-2011 06:20 PM

T-case drop is Gay

My ax15 use to pop out of first after take off,I thought the tranny was shot.
I changed the oil from 80-90w to synthetic 5w-20 penzoil.....what a diffrence.40k miles later still shifting better,no more popping out of first or grinding in 3rd

tentay 12-28-2011 08:33 PM

Yeah getting ready to order a SYE, and changing out the fluid this weekend

Redsand 12-29-2011 12:38 AM

make sure you use syncromesh fluid

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