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Stripped Thread Repair

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Uploaded by on Nov 11, 2008

Watch John @ Costa Mesa R&D Automotive Machine repair a stripped oil line feed in a motorcycle cylinder head. www.Engine-Machining.com

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Autos & Vehicles

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  • how would i do this to the threads on a crankshaft pulley, while the engine is still in the vehicle? im working on a dodge intrepid 2001 2.7l. I couldnt screw the bolt back in threads on that were messed up then i fixed that but now i realized the threads on the crank are gone aswell. -any ideas?

  • your obviously very experienced so this wont apply to you john,just a little tip for alighning the tap perfectly square to the hole, insert the tap in the drill press and bring it down to the hole with barely any pressure held on the handle you can rotate the chuck by hand and cut the threads with ease if you find it hard to turn just insert a drift in the chuck holes to add a bit of leverage. just make sure to unplug the drill press to save any accidents

  • @fiatnutz where can i get the dark blue thingy for threads?

  • hi.

    i have a model plane engine and the glow plug stripped the piston head thing where it screws in. i need to be able to screw it in and be able to hold a lot of air/explosion compression.

  • i have an 87 audi 4000 and i stripped one of the spark plug ports...cant find parts enywere and i live in canada. dont know what to do!

  • putbthe tap in the chuck and turn a few times, this will ensure the tap is square. remove the tap from the chuck and finish as normal. patrick

  • Good work John, i have used these timeserts on head bolt repairs on northstar 4.6 engine and if they will hold head bolts they sure will hold that banjo fitting...

  • people need to stop arguing about his loc-tite comment. This guy is awesome and producings great videos and work! Thanks John!

  • ya what he said

  • There were a couple of applications that called for the use of high temperature loc-tite. It was in the catalogs, but none of the usual suspects had it stocked. Henkle / Loc-tite were major PITA's to work with so I called Permatex. 3 days later I had a free sample of their high temp equivalent + a bonus rtv of some sort. They were an absolute pleasure to work with compared to Henkel / Loc-tite.

    They were good years ago before they were bought up.

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