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Jeep Wrangler Transmission Trouble

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

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#88 of 164 Re: 94 wrangler clutch issues [skimsurf] by vepr223 Apr 27, 2008 (4:53 am)
Replying to: skimsurf (Apr 26, 2008 6:25 pm) The smallest amount of air could cause the issue. Bleed the slave through a clear hose and have someone assist. I would gravity bleed first. Is it an internal or external slave? If internal did you remove the slave? If so, did you make sure to use a new clip on the alignment pin?
#89 of 164 Is it my transmission? by cr1412 Apr 28, 2008 (10:49 am)
Just recently had automatic transmission replaced with remanufactured tranny from Chrysler on my 1997 Sahara. I picked up the vehicle and all appeared okay. But no more than 15 miles from the dealer, I started hearing a clicking noise. I was almost home, so I kept going- but when I hit 50 mph or so, I heard such a screaming noise from the engine that my friend driving behind me (he drove me to the dealer) heard it over his radio. I immediately pulled over, and the screaming noise stopped, and then it appeared to be fine. We had it towed back up to the dealer, and of course they cannot recreate the noise. With the combination of clicking and then the whining scream, could it be that it was not the transmission in the first place? I have already spent 2k and am not in the mood to hear they "made a mistake", but I am really worried this might perhaps be the transfer case? Replies to this message: jimlw2 (Jun 05, 2008 2:59 pm)
#90 of 164 Re: Is it my transmission? [cr1412] by jimlw2 Jun 05, 2008 (2:59 pm)
Replying to: cr1412 (Apr 28, 2008 10:49 am) Way too late for a meaningful response to you since by now you've likely found the culprit...your experience sounded like one I had with a Chevy Beretta in the 1990s...ended up being a spring in the rear drum brakes got dislodged after some service work and was getting jammed between rotating metal in the drum brake assembly...made quite the scream until I stopped or after being in reverse until I figured it out. Hope you got it figured out.
#91 of 164 Automatic Transmission - slipping out of gear when cold by jeepmike Jul 08, 2008 (8:54 pm)
I have a '99 Jeep Wrangler Sport. 4.0 automatic transmission. 60K miles - driven as a recreational vehicle. Correct trans fluids are used and all levels are optimal.   The past year, my jeep is having issues at start up. It will engage in drive and then slip out. If I move down to the 2 gear, same issue. The only gear it seems to hold is 1...but that is now starting to become suspect. This issue only happens when the engine is cold and primarily in the morning. It rarely happens when warm out and/or later in the day.   I have seen similar posts, but have not seen any suggestions as to what the matter is. Anyone have any idea? Thanks for your insight. Replies to this message: erickpl (Jul 09, 2008 3:49 am) jeepmike (Jul 09, 2008 8:17 am) erickpl (Jul 10, 2008 9:08 am) and 1 more...
#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)

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