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Chuck Moreland Chuck Moreland is offline
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Join Date: Apr 2002
Location: Santa Clara, CA
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Your approach will depend on how much stud is sticking out.

This would be easy if the engine was out of the car. You may have to pull it to get working room, you'll at least have to drop it down.

Remember that when the nut broke off, all the tension in the stud was relieved. That means it's basically loose in the threads.

If anything is sticking up to grip, it should be easily turned with a pliers.

If it is flush, try using a pointed center punch and a hammer. You want to position the punch at the 3 O'clock position and angled slightly such that impact from the hammer will cause the stud to back out.

Failing that, drill into the stud and back it out using a screw extractor. Ducktape over the thermostat hole to prevent filing from falling in.
Chuck Moreland - -
Old 01-13-2008, 08:17 AM
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