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How to fix cross threaded tranny support holes. 200

posted by  someone claiming to be Skip on  Thu Apr 4 03:13 CST 2002 [RELATED]

What you are threading the bolt into is essentially a captured nut. A thread chaser might help clean up the threads without taking off too much material. That would be my first choice. When you tighten the bolt, make sure you can get close to factory torque specs without stripping the bolt.

Drilling and tapping doesn't sound too promising. A helicoil won't work.

To replace the captured nut, you can cut a little "flap" on the side of the frame rail and hold a new nut in there with a box wrench. Then you would weld up the flap. That is the technique I am planning to use when I installthe M-47 I have into my '83 240. There just isn't another set of holes to suport the M-47 cross brace.

Good luck.

Skip
'83 242TI
'93 850GLT
'96 850R





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