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Jeep Wrangler Transmission Trouble

164 messages,  Last post on Oct 30, 2009 at 6:42 AM

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#92 of 164 Re: Automatic Transmission - slipping out of gear when cold [jeepmike] by erickpl Jul 09, 2008 (3:49 am)
Replying to: jeepmike (Jul 08, 2008 8:54 pm) The only thing I can think of is the fluid. I can't recall exactly the situation (MAC???), but there is a type of fluid you do NOT want to put in your transmission as it can deteriorate the gears. This is what it sounds like. Since you have an auto, I'd go ahead and drain the fluid, and put in some GOOD transmission fluid. I use Redline MT90 in my manual. MTL90 is for the automatics. This is primo stuff. Royal Purple would be another excellent choice. If the fluid change doesn't address the problems, it may indeed be gears wearing out and needing replacement.   -Paul Replies to this message: jeepmike (Jul 09, 2008 8:17 am) erickpl (Jul 10, 2008 9:08 am) jeepmike (Jul 10, 2008 9:24 am)
#93 of 164 Re: Automatic Transmission - slipping out of gear when cold [erickpl] by jeepmike Jul 09, 2008 (8:17 am)
Replying to: erickpl (Jul 09, 2008 3:49 am) Thanks for the info Paul. I'll do a fluid flush and fill with your recommendation and see what happens.   What affect on the gears would cold weather have? This really only happens in the mornings upon start up. After about 5 mins or so everything works just perfect. It's getting to that 5 mins that is troublesome.   One more thing: Could it have anything to do with any seals or rubber rings maybe drying out or stiffening up? Then once the the engine runs for a bit they loosen back up and the system is good to go.   What about a solenoid valve sticking? Could tightening the linkage help out?   -Thanks for your time, Mike Replies to this message: erickpl (Jul 10, 2008 9:08 am) jeepmike (Jul 10, 2008 9:24 am)
#94 of 164 Re: Automatic Transmission - slipping out of gear when cold [jeepmike] by erickpl Jul 10, 2008 (9:08 am)
Replying to: jeepmike (Jul 09, 2008 8:17 am) Cold generally affects the viscosity of the fluids, which could exhibit symptoms you see. Redline works very quickly and I've never noticed a slipping like you are noting.   Seals and rings are probably something you should at least look at and make sure you have no leaks. If it isn't leaking, don't fix it. Not sure about the solenoid valve, but tightening the linkage MIGHT be something to at least look at.   You may also want to consider changing your transfer case fluid as well. Since it is actually what drives the driveshaft and axles, doing that fluid certainly can't hurt. I believe it uses ATF+ (I used Mobil 1 if I recall correctly).   -Paul Replies to this message: jeepmike (Jul 10, 2008 9:24 am)
#95 of 164 Re: Automatic Transmission - slipping out of gear when cold [erickpl] by jeepmike Jul 10, 2008 (9:24 am)
Replying to: erickpl (Jul 10, 2008 9:08 am) Thank you sir.   I will look into all of these and report back as I find the solution.   I appreciate your time.   -Mike
#96 of 164 2000 wrangler sport trans issue? by saharajeeper Jul 12, 2008 (11:47 am)
I got an auto wrangler TJ for a great price with a lift and 35's and I recently took it off road and noticed an issue with the trans. When parked on a hill or a steep driveway with the front facing up the hill, when you shift from drive or park into reverse the trans makes a slamming sound as well as a thud feel. I have never owned a auto trans before. what might this be? It shifts fine on the highway or when shifting into reverse on level ground. I appreciate any info. Thanks
#97 of 164 Think it's transmission trouble? by asr52497 Jul 16, 2008 (5:30 pm)
Ok, have an issue that just crept up. Have a 97 wrangler, started making a terrible metallic 'grinding' noise today. Noticed that engine running in park or neutral, no noise. Try drive, reverse (or 1st or 2nd) and terrible noise returns. Now, even in park, jeep rolls downhill, with an audible 'clunk' every wheel rotation or so. Trans fluid appears normal color, level and odor.   Any thoughts? Replies to this message: tidester (Aug 18, 2008 8:07 pm) wheelsdown (Aug 20, 2008 3:53 pm)
#98 of 164 2005 wrangler by tc56 Aug 18, 2008 (5:38 pm)
.The overdrive light -switch turns itself off and on .You can feel the tranny going in and out of overdrive.This is on a 2005 right hand drive mail jeep.Any suggestions on why this is happening?
#99 of 164 Re: Think it's transmission trouble? [asr52497] by tidester HOST Aug 18, 2008 (8:07 pm)
Replying to: asr52497 (Jul 16, 2008 5:30 pm) That sounds serious. I'd have it checked out ASAP if not sooner.   tidester, host SUVs and Smart Shopper Replies to this message: wheelsdown (Aug 20, 2008 3:53 pm)
#100 of 164 Re: Think it's transmission trouble? [tidester] by wheelsdown Aug 20, 2008 (3:53 pm)
Replying to: tidester (Aug 18, 2008 8:07 pm) tidester,   "if not sooner"?   Good one   Terry
#101 of 164 2nd gear grinds - up or down - 95 Jeep Wrangler YJ by codys Aug 26, 2008 (5:46 pm)
I have a '95 Jeep Wrangler YJ w/manual transmission - 5 speed, 4 cyclinder. My 2nd gear grinds shifting up or down unless you shift very slow and easy. It's not a loud grind/growl but you can feel it and hear it. All the other gears are smooth. I just got my license and I don't want a broke down ride!   Can someone give me a "it could be" list?   Thanks. Replies to this message: mac24 (Aug 27, 2008 6:08 am) erickpl (Aug 27, 2008 6:57 am)

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