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Unread 01-17-2013, 08:07 PM   #1
Yellow1
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1991 YJ Wrangler 
 
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YJ tranny problem

Hello, Im in need of a bit of help.
During a recent road trip, I noticed a high whine and a smell similar to burnt popcorn coming from my tranny. Its an ax5, and there is a leak. I took it to a shop to see if I could continue my trip home, and was told the trans gears are shot and I need a new tranny (but I would be able to go the last 150 miles). The only thing I noticed when I got home, aside from the smell and sound, is the difficulty in getting into reverse. The oil levels are extremely low, burnt, and black, and I feel that perhaps the tranny just needs oil and the shop just wanted to make a quick buck. I know its a long shot that anyone has an answer with such a vague description, but is it common for performance issues/ high pitch whines, when the oil levels are low? Im having a hard time finding this topic on the forum.
Thanks

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Unread 01-17-2013, 08:24 PM   #2
bigbossd1030
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Yes it is going to make some noise if the fluids are low. Drain out the tranny and run some 10w30 through it for a little bit. I'd say 100km or so. Then empty her out again and FIX the leak. And put in new oil. If it is better, then great.

I would swap for an ax15. But if cash flow is an issue then hope to hell the ax5 is going to hold up. The guy you want to chime in is max. He knows a thing or two about jeep trannys.
I think you will notice a difference with fresh fluid in there.
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Unread 01-17-2013, 08:28 PM   #3
Yellow1
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Thank you, I'll do that tomorrow and see if there is an improvement.
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Unread 01-18-2013, 04:54 AM   #4
Mark05059
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whats it going to hurt to try it... if it doesnt work then you need a new trans... if it works you dont.. kinda a no brainer there... use 10w30 motor oil in it.
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Unread 01-18-2013, 05:09 AM   #5
Mean Max
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All sound advice so far.

If you ran low on transmission oil, you probably smoked the bearings. The excessive heat wouldn't have very kind to the gears either.

Where are you located?

Max
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Unread 01-18-2013, 12:16 PM   #6
Siva283
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I melted 2nd and 3rd in my ax5 a few weeks ago. If your gears are fine you can get rebuild kits for $100 at Autozone. I would be willing to bet at a minimum your bearings are toasted.
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Unread 01-18-2013, 12:24 PM   #7
Yellow1
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Quote:
Originally Posted by Mean Max View Post
All sound advice so far.

If you ran low on transmission oil, you probably smoked the bearings. The excessive heat wouldn't have very kind to the gears either.

Where are you located?

Max
I am in San Jose.
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Unread 01-18-2013, 03:01 PM   #8
Yellow1
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So I drained the gear oil- half a quart in the tranny. Im seriously confused as to how the shop failed to inform me of this. The pilot bearing seems to be shot, but the sound went away when I filled the tranny with 10w30. It runs a lot better, but getting into reverse was almost impossible. Had to floor the gas to get it to move.
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