Motor mounts - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 07-30-2005, 08:04 PM   #1
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I just replaced the front driver side motor mount, well I guess it'* a tranny mount. It'* kinds perplexing until you realize you need to unbolt the rear mount in order to lift the engine high enough to get the front mount out and the new one back in.

My old mount was completely seperated. The mount consists of to plates with hard rubber in between, with a shackle stud to hold it together if the rubber seperates. Well, mine was completely seperated and the shackle bolt was about to break.

That should reduce popping sounds.
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Old 07-31-2005, 12:04 AM   #2
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Yup. Now, How do you make it not break again?
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Old 07-31-2005, 12:42 AM   #3
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Just replaced mine too. Didn't have to unbolt the rear mount though. Why did you?
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Old 07-31-2005, 01:40 AM   #4
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Well, the two studs that stick out the bottom required the mount go up before it could go out, but the tranny was in the way. I couldn't get the engine up high enough to wiggle it out without undoing the rear mount from the subframe.
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Old 07-31-2005, 11:48 AM   #5
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I removed the trans mount to subframe nuts first then supported the engine with a floor jack and chunk of 4x4 wood until the mount just lifted from the subframe. Then the three mount to trans bolts were removed. At this point, the mount can be tilted forward and lifted out at the same time. Elongated holes in the subframe allow this.

Nevertheless, It'* quite an improvement when replacing a broken mount. No more THUD upon acceleration.
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Old 07-31-2005, 03:30 PM   #6
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Quote:
Originally Posted by randman1
I removed the trans mount to subframe nuts first then supported the engine with a floor jack and chunk of 4x4 wood until the mount just lifted from the subframe. Then the three mount to trans bolts were removed. At this point, the mount can be tilted forward and lifted out at the same time. Elongated holes in the subframe allow this.

Nevertheless, It'* quite an improvement when replacing a broken mount. No more THUD upon acceleration.
Sounds like what I did, I just took a little longer...
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