1986 CJ7 Renegade - JeepForum.com
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Unread 10-12-2002, 05:57 PM   #1
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Location: Nebraska
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1986 CJ7 Renegade

I have a Question. A 1986 CJ7 Im looking at has a whirring or gear type noice that I can hear pretty plainly in second gear. It shifts fine and it runs fine but has this noise Im concerned about. Any ideas on what this could be? The guy says he doesnt know what it is, he says its always done it. Any ideas gGREATLY appreciated! Pat

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Unread 10-12-2002, 09:16 PM   #2
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Location: nc
Posts: 46
well< a "whirring" noise is almost always a synchronizer( either sticking on the shaft or not allowing a dog to engage properly)

this isnt "normal" but common on manual transmissions.

I suggest you drain/fill the transmission with a synthetic lube and wait till a rebuild to do anything else.

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Unread 10-13-2002, 02:15 PM   #3
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I have the same thing on my jeep... a strange whirring/rubbing noise coming from under the transmission cover, only mine is very noticeable in first through third gear, and then goes away completely in fourth. Mine even makes the noise in neutral while it's idling. Is there a possibility that there is sand or something inside, or is it necessary to have it rebuilt? I've driven it with this noise for several months now without any noticeable problems except for a slight difficulty going into reverse. I guess I just assumed that this was a sign of normal wear and didn't think much of it...
'85 CJ7, 33x12.5x15 Armstrong Formula ATs, Cartered 258, T176, 2.73 rear, Pioneer CD and lots of character!
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