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Unread 06-14-2013, 05:29 PM   #1
FOXXX0126
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1990 YJ Wrangler 
 
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Location: Randolph, Vermont
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Incredibly annoying rattle.

okay, I'm literally losing my mind trying to find this noise. it sounds like an oscillating fan that has a blade that hits the guard around it. it all started after i swapped the engine for a one with better compression. i have replaced the transmission, and now today i replaced the clutch. the noise sounds as if it is coming from the bell housing and can be heard when i give gas in neutral and when i am in all 5 gears under load. it is most noticeable when going up a hill or topping off a gear. i don't know where to go now. could it be motor/trans mounts? i don't have a fan shroud so its no that. any ideas are welcome because in out of them.

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Unread 06-14-2013, 06:26 PM   #2
ROWA
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Is the exhaust bracket inserted in the rubber bushing on the transmission torque plate?
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Unread 06-14-2013, 06:41 PM   #3
FOXXX0126
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I'm not sure I'm following what you're saying
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Unread 06-14-2013, 07:50 PM   #4
jokerchief462
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There is a bracket kind if a round arm off the cat TGIF goes into a rubber isolated right hand side of the Tcase. How about the cat heat shield on the tub side?? Is it loose???
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Unread 06-14-2013, 07:58 PM   #5
FOXXX0126
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Heat shield isn't loose. Do you mean the rubber in the transmission to skip plate mount?
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Unread 06-14-2013, 08:08 PM   #6
jokerchief462
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There is a trans mount and a torque arm mount. On the passenger side they originally had a mount for a rubber isolator that went to the CAT. Mine is gone.

image-3107541681.jpg

Best I could get.
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Unread 06-14-2013, 09:56 PM   #7
FOXXX0126
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1990 YJ Wrangler 
 
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yes torque arm is there and i tightened the **** out of it. but the rubber bushings are shot and the trans mount rubber is cracked all the way through as well. i suppose i should replace them. how could this be contributing to the noise?its also on the opposite side as the CAT. there is a round piece of rubber that is part of the trans mount assembly that lines up with an arm coming off the CAT but i thought the arm was a breather that went to the intake to dilute the exhaust
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Unread 06-16-2013, 09:26 AM   #8
FOXXX0126
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Bump
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