im still trying to figure out why my rpms surge up and down when it get into overdrive at about 45 mph. driving on a level surface the rpms are up and down until about 50mph then it stops surging. is this something
i should be conserned about or not? on the freeway everything is ok!!
just changed the fillter and fluid..


UPDATE-WENT TO THE STEALERSHIP AND THEY SAID I NEED MY COMPUTER RECALABRATED BECAUSE MY JEEP HAD 225-TIRES ON IT, AND NOW I HAVE 235'S. THATS IS WHAT IS CAUSING THE SURGING PROBLEM!!! WHAT DO YOU THINK, DOES IT SOUND RIGHT LOST MEMBERS????

When did you start noticing this problem and has it gotten worse?

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2015 Ram Ecodiesel/Big Horn/4x4/Quad Cab
2016 Arctic Fox 22G/Onboard 2500 LP Cummins Onan Generator/160 Watt Solar Panel

I took the road less traveled. Now I'm LOST.

I would test this more.

Check the Fluid level and color first.
make sure you do not have burnt fluid.
If so Flush the system

If the fuild is good.
Drive 50 and not 45
or 40 and not 45

45MPH is a spot that can make 4 Speed hunt for the right gear.
it is apiss poor ration...

Why any tranny is still a 4 speed is beyound me. they should all be 5 6 or 7 by now... any reason why I hate car makers who are lazy...

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2008 Liberty Limited 4X4 Command Trac 2
All stock Auto with 235/60/18

thanks for the feed back, i will check it this weekend

You willing to pay a extra $2500+ for that 6+ speed auto? If so you'd really love the high maintenance costs for those also.

Heck with more than 4 gears. I can hardly stand it shifting 4 times, more less 6-7 times! I think 5 gears and the alternate 2nd down shift would suit the 3.7 a little better though. IE, the 545rfe.

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LOST KJ'S
Where are you going???
Current Jeep: 2004 Jeep Liberty
-Atlantic Blue
-Air Ride Rear Suspension ; OME/Rustys Lift ; Powertrax Locker ; Moog Lower Ball-Joints ; 245/70/16 Yokohama Geolander A/T-S's on MOABS ; Flowmaster 50 SUV
Lost #007082
http://www.cardomain.com/id/jeepjeepster