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WoodSport's Avatar
 
Join Date: Jul 2006
Location: Seattle, WA
Posts: 219
Engine and trans mounts

I was replacing my engine mounts today with new sport mounts and I ran into something I can't sort out. On the left side, both washers were placed with the concave face against the rubber, which seemed to make sense - they fit over the rubber in the mount.

When I pulled the right side mount, the lower washer was placed with the concave side facing downward, against the crossbar. I was pretty sure it was wrong, but I wanted to make certain so I went to the authorities:
  • Bentley doesn't give any indication of the proper orientation in the text and in their diagrams the washers appear to be flat.
  • I can't find my '101 projects' for direction. Anyone have theirs handy?
  • I searched here for pictures or clear answers, but found nothing but pictures of WEVO bling.
I still think the left side was correct, but in seeing pictures of trans mounts in recent posts, it seems that the mounts were designed to have that side against a convex surface. Then I found descriptions where some trans mounts used one washer while some used two.

Does anyone know the single, undeniable truth to this? I didn't have time to get to my trans mounts to see if they have one or two washers, but I'll be replacing them tomorrow.

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/Jon

Last edited by WoodSport; 05-15-2009 at 07:34 PM..
Old 05-15-2009, 07:26 PM
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My understanding was there are two ways for placing the washers:

() or )( but not intermixed. Both set ups give different stiffness.
Old 05-16-2009, 01:48 AM
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This thread, motor mount washers - which way round?, debates the issue and concludes that the factory mount looked like this:
Quote:
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1973 911E Targa (MFI)
Old 05-16-2009, 02:15 AM
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KNS KNS is online now
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What is the story on the engine and tranny mount washers? The Bentley manual recommends the opposite orientation than what's shown in the above picture. What does everyone here do?
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Last edited by KNS; 02-04-2010 at 02:34 PM..
Old 02-04-2010, 02:31 PM
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KNS KNS is online now
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Okay, I read the attached link, I guess the factory says either way is alright.

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Old 02-04-2010, 02:42 PM
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