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Rasta Monsta · Joined: 12 Jul 2006 Posts: 11733 Location: PacNW

Stared at my right side mount today. It doesn't look replaceable with the engine in the car (no access to upper allen bolt). Can anyone confirm this?

TIA

rasta
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Toofah King Bad

WeiBe (1987 924S 2.5t) - 931 S3

71vdubturbo · Joined: 28 Nov 2006 Posts: 75 Location: Rolla, Missouri

I found that on my 77, the PO changed the mount but evidently couldn't put the top bolt back in. I found that it was much easier to unbolt the exhaust manifold and pull it back a few inches. I then installed a hex head bolt.

I replaced the passenger side mount with the engine in the car. My old mount had a catastrophic failure at speed and the engine fell on the cross member. Luckily no damage was done. As for the mount, I was able to remove it and install a new one, then jack the engine up in order to install the upper mount bolts.
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1977 Porsche 924 - going away...
2001 Audi S4 - 2.7T, Tip

RC · Joined: 25 Mar 2007 Posts: 2637 Location: Australia

931 is Porsche numbering for a 924 TURBO.

A NA is not that difficult to change but am sure that it is considerably more difficult with a turbo and wastegate etc in the way.

Good luck Rasta. Let us know how it goes.

Roger

Paul · Posted: Sun Jan 13, 2008 12:33 am Post subject:

What makes you think yours needs to be replaced?
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White 87 924S "Ghost"
Silver 98 986 3.6l 320 HP "Frank N Stein"
White 01 986 "Christine"
Polar Silver 02 996TT. "Turbo"
Owned and repaired 924s since 1977
Porsche: It's not driving, it's therapy.

Rasta Monsta · Joined: 12 Jul 2006 Posts: 11733 Location: PacNW

The car has a bit of drivetrain lash, and when I push on the side of the valve cover, the motor "sproings" back and forth in the engine compartment. It seems like the spring is intact but the rubber is kaput.

Plus, I bought one of those cool mounts last year!

What do you think, Paul, can I get it out?
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Toofah King Bad

WeiBe (1987 924S 2.5t) - 931 S3

Paul · Posted: Sun Jan 13, 2008 9:52 am Post subject:

Does your car still have the motor mount shock absorber in place?

I suggest you wait until you need to pull the head.

I don't recall ever replacing a 924 or 931 RHS motor mount while the fully assembled motor was installed. I always check them while the motor or head is out.
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White 87 924S "Ghost"
Silver 98 986 3.6l 320 HP "Frank N Stein"
White 01 986 "Christine"
Polar Silver 02 996TT. "Turbo"
Owned and repaired 924s since 1977
Porsche: It's not driving, it's therapy.