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SUVs Jeep Wrangler Jeep Wrangler Transmission Trouble
164 messages, Last post on Oct 30, 2009 at 6:42 AM
You are in the Jeep Wrangler Forum. Your Hosts are steve_ & tidester
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Replying to: khjeep (Jan 03, 2008 8:57 am) GL-3 and GL-5 specification oils are used in manual transmissions. ATF+4 spec transmission fluid is the only fluid to use in Wrangler automatic transmissions. Dexron fluid of any spec should never be used in a Wrangler transmission.
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Replying to: mac24 (Jan 03, 2008 10:07 am) It's a 1992 Jeep Wrangler YJ with what I beleive is an AX15 transmission. 5 speed manual. The service center which just did the transmission flush ~3.5 months ago put in the Havoline Dexron IV fluid. What damage can happen with the Dexron fluid in the transmission? I just started hearing the whining about 2 weeks ago. This was also after I had put the Jeep into 4WD(high) due to some adverse road conditions (snow, slush, ice) The Jeep has been used primarily for highway miles (~2,000 per month) since October 16, 2006
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Replying to: khjeep (Jan 03, 2008 2:11 pm) You must use a 75-90 GL-3 or GL-4 gear oil, or a synthetic that meets the same standards (Redline MT90 springs to mind). An ATF (like Dexron) is required for the transfer case, but definitely not your AX-15. ATF doesn't have the same shear resistance as a gear oil, so it could be wear on the gears themselves, rather than the bearings, that you're hearing. When incorrectly using a GL-5, the greater sulphur content has an adverse effect on the brass synchro rings which causes baulking and noisy shifts. |
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Hello, I have a 2007 Jeep Wrangler X with an automatic transmission. I started having problems with it on 12/24/07. I heard a load "clunk" when I was driving that evening. There was no further noise, so I kept on driving. When I stopped and put it in park and then tried to shift into reverse the gear shift didn't want to move. I tried a second time and managed to get it in reverse. For a short time (maybe a minute) I heard kind of a grinding noise. Then the noise went away and I was able to drive home with no problem. When I got home I tried putting it into reverse and backing up. It was a bit noisy when shifting into reverse, but didn't stick as it did earlier. I took my Jeep to the dealer, who checked it out and couldn't manage to recreate the problem I had. I drove my Jeep home and had no problems until the following day. When I tried shifting into reverse and stepping on the gas, my Jeep didn't move. I put it back in park and tried reverse again. This time there was no problem. After driving a short distance and parking my Jeep for a few minutes, I tried backing up, this time with no problem. However, after driving forward about 20-30 feet and stopping, I stepped on the gas and my Jeep didn't move. I moved the gear shift up to neutral, then to 2nd, back to drive -- no change. I shifted to reverse and back to drive and was then able to drive home. My Jeep is currently at the dealer's and again, they can't recreate the problem. They seem to be trying to solve the problem, but haven't been successful, yet. Has anyone out there had this type of problem with a 2007 Jeep? |
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Replying to: ahardy1 (Jan 03, 2008 7:55 pm) Try printing it and taking it to the dealer and ask the service writer to give it to the tech. That way, he knows exactly what conditions were and the results. This will be way more valuable to him than the service writers description (which might say only "trouble shifting"). Terry
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Replying to: wheelsdown (Jan 04, 2008 11:16 am) I can tell you that I have the Wrangler now in another shop for an opinion. The first shop (a dealership) indicated that a complete transmission was required, but could not produce anything to substantiate it. I asked for a sample of the transmission fluid (with the metals in it) and it was not available. They could also not tell me if the metal they saw was steel or brass. Also they suggested a new disc plate for the clutch may be a good thing to change out with the transmission. It was at that point that I decided to get another opinion. I will tell you as a rule, I make sure that the problem description on the service ticket is to my satisfaction and that I get the service manager or tech (or both) out in the car to hear or feel the problem whenever I nees the car serviced for something other than routine maintenance. I will keep my information going in this post a developments continue -provided they add to the forum. Finally, I am thinking of trying another transmission flush and ensure that the correct fluid in put into the vehicle to see if that clears up any of the whining sounds.
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Replying to: wheelsdown (Jan 04, 2008 11:16 am) I just picked my Jeep up this evening since they still couldn't recreate the problem after trying for 3 days. I even tried to get the problem to occur before I left the dealer's lot. Of course, I couldn't get it to happen. I drove home with no trouble and -- you guessed it -- the minute I pulled into my garage I had trouble with it again. This time drive seemed to disappear momentarily, then came back and my Jeep lurched forward. Luckily I didn't hit anything. I guess I'm going to try calling the Jeep "800" number and have it towed in. Maybe if I don't try "playing" with the gear shift like I did the last time I had trouble, it will still be in failure mode when they look at it. |
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I've been interested in buying another jeep. Mom had one which is now my brothers. It is 93 cherokee. I would prefer a wrangler. However, my brother( who is a mechanic, But can be questionable) thinks that any Jeep before 93(cherokees) are not very good. He is refering to the transmissions. Like I said I prefer Wranglers, so I would love it if anyone could tell me if there are certain years that should be avoided( don't really want to change a transmission soon). Or just like any vehicle ya never know?
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Replying to: polar4 (Feb 03, 2008 6:38 pm) TJ's were from 97-06 (with the round headlights) and had a car-like dash. Coil springs on all 4 corners vs leaf springs for the 88-95 YJ Wranglers. If you could find a 2000-2004 TJ, you'd be a in a very good range for quality AND price. Newer Wranglers (05-06) are still fetching higher prices for some reason. After 2000, a lot of the early bugs were worked out and tend to be pretty reliable along with the newer transmissions. -Paul |
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Hello everyone, I have a 1992 Jeep Wrangler and when I shift into 2nd, 3rd, and 4th gears there is a loud grind unless i shift around 1800rpm but my engine is to weak to shift that early. It always grinds when I downshift! I have gotten a few tips from people... one saying that it is the clutch and the other saying that it may be the synchros or the tranny! What are synchros? Any ideas on what the problem is? Thanks!!!!!
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