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Loose stud: Engine - transmission
Hi,
Having finally got the motor rebuilt (with all your help..) I have a new question. After mating the engine and transmission I have a loose stud. If you look at the studs from the front of the car they are at 2 O'clock, 5 O'clock, 7' O clock and the one above the starter motor at 11' O clock. The stud at 5 O'Clock is not even finger tight and can be wobbled and easily removed. Should I: Loctite it? Put a nut on it anyway and it will retain Torque when it pulls against the threads? Remove it and use a bolt? Thanks Sam
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Sam 1971 911T 3.0SC (Jezebel) (Work in progress) 1971 911 Gulf relplica (Gloria) (SOLD  )2013 Tacoma TRD - Expedition ready 2010 BMW R1200 GSA |
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04-04-2014, 09:24 AM
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non-whiner
Join Date: Aug 2012
Location: Slightly right of center
Posts: 5,235
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If it is wobbling, something is wrong. Can you unscrew it and check the threads? It sounds like it is either the wrong size of the threads are stripped.
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04-04-2014, 09:27 AM
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Registered User
Join Date: Jun 2012
Location: Bristol, UK
Posts: 264
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Do it up and it will be OK. These threads are hardly high quality. If the stud unscrewed when you tried to remove the nut as mine did then it will always be loose when you screw it back in. Thread-lock is a good way to anchor it, but unless the thread is actually damaged, it will not pull out.
I have seen this commonly during engine rebuilds and I have never had a problem. If you are really worried use a Helicoil. I did for one of mine where the thread was damaged. It is actually very easy and the results are very satisfying! |
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04-04-2014, 11:56 AM
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Wer bremst verliert
Join Date: Jan 2005
Location: Toronto, Ontario
Posts: 4,767
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you will probably want to drill out and timecert that. you can get a kit.
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2007 911 Turbo - Not a toy 1985 911 Cab - Wife's toy 1982 911 3.2 Indiash Rot Track Supercharged track toy 1978 911 3.0 Lichtbau toy "Gretchen" 1971 911 Targa S backroad toy |
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04-04-2014, 11:56 AM
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Registered
Join Date: Jul 2006
Location: S. Florida
Posts: 7,249
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I've seen situations like that where people took the loose stud out, brake cleaned the threads, and screwed it back in with JB Weld on the threads and it worked. Red loctite on the male and female threads might work too but give it a day to dry before torquing it.
If you ever need to remove the stud again it's going to take a lot of heat from a MAP gas torch or whatever on the area around the stud to melt the JB Weld before screwing out the stud. I'm not recommending it but it can work in a pinch. A much better way is Time Sert it. Amazon and Ebay sellers can be a good source for them. Amazon.com: time sert kit |
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04-04-2014, 04:58 PM
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Registered
Join Date: Jul 2006
Location: S. Florida
Posts: 7,249
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That amazon link I copy and pasted didn't work right when I just tried it so I'll try posting some Time Sert kits i found on ebay... and see how that works.
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04-04-2014, 05:10 PM
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