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-   -   Can't get transmission mount bolts started for engine install...HELP! (http://forums.pelicanparts.com/porsche-911-technical-forum/643265-cant-get-transmission-mount-bolts-started-engine-install-help.html)

911pcars 12-05-2011 03:51 PM

Quote:

Originally Posted by Jim Williams (Post 6412518)
Sherwood -

I think others recommended to take your approach. I certainly wasn't suggesting to use a tap. It was just a warning for those who for some reason might take the advice of others to use one. My thoughts are that a tap should only be a last resort if the internal threads are too hopelessly buggered up to accept the bolt, and then only as a chaser, same tap size as the bolt, not a larger thread. My point was (or should have been) that a cross-threaded tap might be worse than a cross-threaded bolt.

Jim,
My statement not directed at your comments but as, just another.

Sherwood

56 nomad 12-05-2011 04:03 PM

Quote:

Originally Posted by nilknarf (Post 6411415)
For anyone struggling with this in the future, when I went to bolt my engine/tran in place, the first thing I did was to loosen the trans mount plate so I could wiggle it by hand, then jacked the engine/trans into position and used a phillips screwdriver to adjust the alignment betwen the mounts on the trans and the mounts in the car. Once I had the trans bolted in, THEN I movd to the motor mounts at the back of the car. Once all the motor mount bolts were tightened down, then I snugged up the forward trans mount plate. Piece of cake!

Curt

+1 on that everything a little loose then tighten. regards , ben

Walt Fricke 12-05-2011 04:54 PM

And the good news is: when you hopelessly cross thread the mount, you can repair it with a Helicoil. Many, many 911s have at least one of these repairs to this area.

I don't recall that these are a non-standard thread, though. Otherwise Helicoils would be hard to come by. Or replacement bolts, which I have purchased.

You need to repeat the mantra: it came out OK, so it should go in OK, so I will, under no circumstances, apply any real torque to get the bolt started.

Easy to say. Frustrating to put into practice.


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