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heat & easy out...worked for me, 3 times last week!
Posted by DET (more from DET) on Mon, 6 Sep 2004 19:01:19
In Reply to: broken bolt on exhaust manifold, Christian, Sun, 5 Sep 2004 12:51:11
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Christian,
I had 3 studs snap off in the head ofmy son's 87Turbo engine.
All 3 came out with the smallest EZ out I could buy at NAPA, which required I believe a 7/64 drill.
Note - I had the engine out for 5speed pinion bearing rebuild, so my access issues weren't as bad as inthecar.
My advise, buy a MAPP gas torch from Home Depot or the like. This stuff will make within 100F the temp of an oxy-acety. torch, out of a single tank! From my experience, when the head has been heat cycled with extreme high temps (normal operation), you need MORE heat to get the studs to release. The MAPP gas torch is under $50 at these DIY stores.
Center punch the broken stud if flush or under...then center drill. Apply the heat until white hot, then tap in the EZ out & turn. Once the dead stud is gone, run a tap thru the holes (M8 IIRC) and I installed new studs with red loctite....lubed the other end of stud with Neverseeze & installed new eEuro copper nuts.
Good luck.
DET
posted by 69.132.67...
Posts in this Thread:
- broken bolt on exhaust manifold, Christian, Sun, 5 Sep 2004 12:51:11
- heat & easy out...worked for me, 3 times last week!, DET, Mon, 6 Sep 2004 19:01:19 <-- Viewing This Message
- been there, done that: advice>>>, Ram'89SPG, Sun, 5 Sep 2004 17:58:25
- Re: broken bolt on exhaust manifold, timmydou, Sun, 5 Sep 2004 13:35:35
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