Manifold Locker?

[chamisataza]

hi,my manifold stud/bolt is keep loosening maybe because of vibration.i put medium strength thread locker blue on the bolt of my manifold,any experiences?the red is for high strength you have to heat it 500F to remove it

[motormike]

it loosen cuz of vibration but its not loose thread does it work?any experiences?

I've read your post several times.
I do not understand your question.
Can you try again please...

[Wheelman-111]

Greetings:

ALL of our engines vibrate. I've never had a problem with these fasteners loosening. Threads for Loctite and other such products can't just be smeared on. The threads of the fastener must be prepared by thorough cleaning with solvent and finished with Acetone so that ALL the oil is removed. The Blue product should be plenty. In fact if the hex nut or bolt is torqued down with the right tension, the "spring" of the compressed gasket should prevent any loosening. If the threads in the Aluminum are stripped, something very easy to do, no locker will stop it from backing out. Examine and assess the threads, and use a new gasket and a torque wrench. By the way, I've used Red product many times and if you have good tools and leverage and patience, it doesn't require heating to remove.

[ClemSpree]

You can always drill and safety wire them. Red locktite is for advanced wrenches and only for specialty purposes, I consider it just below tack welding. 99.999% of normal work will never involve red.

[chamisataza]

thanks to all who give their side comments right now its working good no loosening after a couple of runs