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Picture of potential motor mount issue

Here is a pic to follow up on my motor mount thread from yesterday, the area in RED is the rearward facing bolt, it it's digging into the mount, it looks to be too long for this style mount. This was replaced by the PO so I have no idea what style mount this is, only that its aftermarket.


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Old 08-09-2003, 09:37 AM
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Replacement motor mounts have threaded holes for the bolts. Think you are supposed to use shorter bolts than the ones that are on the old mounts. The original bolts are longer with nuts on the back side.

Could remove the bolt and possibly cut it down. Or just buy some shorter ones. Don't recall the length but I bet Clarks Garage has a tech artical on it.
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Old 08-09-2003, 04:27 PM
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That's a factory engine mount, note the Porsche trademark triangle close to the bolts. You can usually use a M8x42mm bolt for fastening the mount.
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Old 08-09-2003, 04:32 PM
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Ok so I went through the painfull ordeal of changing the bolts out today, I even got the correct bolts from the dealer. Some noises have changed but not all.

Question for the experts, does your NA/951 make any noise when the suspension is loaded and unloaded? I think I am being over sensative with this issue. I just have what seems to be a thunk when braking hard, or backing up and braking hard.

This may not even be an issue...

BTW thanks BRIT. I actuall got these mounts off of Ebay I had no idea they were authentic.
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Old 08-09-2003, 06:55 PM
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you probably alreay did this, but did you check the sway-bar bushings?
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Old 08-09-2003, 08:53 PM
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Yes they are entirely new, with exception of the rear bushings. Since the rear drop link snapped a few years back on the passenger side, and now the rear sway bar is moving in its bushings I think something may be out of wack in the torsion setup.

Soooo, I am going to drop the torsion system out and have new bushings pressed in at my p-car shop. I will now have to decide if I want to completely remove the torsion bars, or re-index them upon replacement of the spring plate bushings. I hear that the reindexing is a nightmare.
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Old 08-10-2003, 07:57 AM
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decisions, decisions!

I'm also thinking about the a-arm bushings. used to have a similar problem in my 5 series Beemer. couldn't for the life of me figure out what it was until we used a pair of channel-locks to check for play in the bushings. it was too stiff to move by hand but the channel-lock test showed that the bushings were pretty loose.
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Old 08-10-2003, 12:01 PM
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I have pulled and pryed on everything, and now two local shops have done the same, and given up. It's either get a whole new (used) rear end or rebuild the rear, although I fear reindexing the torsion bars just to replace the spring plate bushings.
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Old 08-10-2003, 02:01 PM
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never had to do a re-indexing job, so I don't know what's all involved. wish I knew as I have the same year car as yours. I'm in the process of tracking down a serious clanking/banging noise in the rear of the car myself. may have narrowed it down to the right rear shock/mount area.

almost makes you want to stick someone under the car with a stethoscope while driving to try and track down the noise.
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Old 08-10-2003, 03:54 PM
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Your not far off, I have been considering one of those wireless remote cameras and a clamp type mount.

Maybe the 87 just has this noise, I still can't find any driveability issue and I don't have any trouble keeping up at the track.

We just have to make sure that whoever finds out what it tells the other
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Old 08-10-2003, 04:54 PM
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performance wise, I haven't had any problems either. I just want to know what it is and at least that it's not serious! if I find anything I'll let you know. btw, where's the track that the CART race will be at later this month? Denver area?
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Old 08-10-2003, 05:05 PM
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Probably Second Creek Raceway at 88th And I70, I'll look it up.
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Old 08-10-2003, 05:14 PM
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cool, my friend and I are planning on driving down there for the race at the end of the month. I'm somewhat familiar with Colorado but I don't know where the track is.

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Old 08-10-2003, 05:17 PM
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