Rubber motor mount replacement? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-12-2009, 12:54 AM   #1
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Default Rubber motor mount replacement?

I was underneath my 117K mile 1996 SE doing an oil change, and noticed something that looked a little wrong. The lower right side rubber motor mount looks like it'* separating from inside the metal housing, and the rubber itself is pretty soft. Is this a common higher mileage related issue that calls for replacement, or nothing to really worry about? What'* the level of job difficulty, if it does need to be done?
Thanks guys.

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Old 11-12-2009, 01:30 AM   #2
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The motor and tranny mounts take on a considerable amount of torque and abuse from these 3800'*. It'* not uncommon to have the dampeners fail and rot out. The job is not that difficult if you have a clean and dry space, a good floor jack, some jack stands and hand tools.
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Old 11-12-2009, 08:06 AM   #3
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A common problem, should be able to do i tin about a hour. I'll be doing mine next spring.
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Old 11-12-2009, 08:08 AM   #4
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By lower right, you mean the back passenger mount? It does take a lot and frequently becomes bad after an oil leak or power steering leak has occured. I'd change it out.

I'd also be looking at the front left mount for seperation from the metal and the right side main mount for cracks or wearing of paint on the metal of the bracket where contact may occur. Usually it'* not only one mount by the time we notice them.
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Old 11-15-2009, 12:58 PM   #5
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Quote:
Originally Posted by BillBoost37 View Post
By lower right, you mean the back passenger mount? It does take a lot and frequently becomes bad after an oil leak or power steering leak has occured.
Yes, that'* the one- on the bottom passenger side, near the crank pulley. It'* the one right in your face when removing the oil filter, and it looks like it'* kind of failing. The rubber'* really soft and bulging out the sides.

Thanks for the helpful replies- I'll have to see what the dealer gets for this part.

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Old 11-15-2009, 01:07 PM   #6
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Is this what your looking for?


It'* called a Torque Strut Mount, and costs $9.04 at RockAuto Auto Parts
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Old 11-15-2009, 01:17 PM   #7
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Nope. Maybe I mislead with my description- this mount isn't a cast link like the picture above. It'* a complex steel stamping, and attaches with a bolt to the transaxle to the subframe crossmember. I didn't find it on RockAuto, will look further.

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Old 11-15-2009, 01:18 PM   #8
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Can you post a picture of the mount?
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Old 11-15-2009, 01:23 PM   #9
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This one?


Transmission-Automatic : Transmission Mount



ANCHOR Part # 2778
Trans Rear Left w/ AT
$10.48
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Old 11-15-2009, 02:21 PM   #10
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Sorry for the poor communication on my part, guys- here it is. View is from the front of the car looking back, passenger side. Probably called a transmission mount, not motor mount. Mount looks pretty bad, no?

http://i16.photobucket.com/albums/b2...*/IMG_2111.jpg
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