If it were me, I would not use red loctite on any threaded fastener that I
ever wanted to disassemble. Ever. When properly applied Loctite 271 (red)
is stronger than a grade 8 bolt. In other words if you try to unscrew a
joint with properly applied and cured 271 you will leave the bolt threads in
hole, or break the bolt atempting to unscrew it. While you are correct that
when heated to near 500F Loctie will turn to powder, I have to ask, do you
really want to get that kind of heat near your brake calipers? It seems to
me that if you leave the torch in place a bit too long and this could be a
very bad idea.
Blue Loctite when properly applied is plenty strong enough.
Proper application means both the bolt and the hole are clean enough to eat
off of, and dry. If you can find a bottle of Loctite Kleen and Prime spray
the bolt with it. Apply the blue Loctite torque to spec and allow it to
cure.
Also if it were my car, I would order 4 new bolts.
$.02
Rick
I've ordered 1 new bolt and I'm thinking
> about reinstalling the calipers using Locktite Red to insure a tight fit
> when
> finished. Locktite Red is a "permanent" threadlocker which can be removed
> when heated to 500 deg. I look at this as a temporary fix to get me
> through
> the Summer season. If it holds, then I'll wait until winter to look at the
> situation again and pull the front suspension apart to make proper repairs.
>
> Does this sound reasonable? Am I risking our lives by driving the car in
> this
> condition? What is recommended as a permanent fix. Can the swivel axle
> back
> plate threads be repaired? They appear to be cast steel. Should all 4
> bolts
> be replaced?
>
> Thanks for your replies in advance. Richard Bittmann BJ7 Tacoma
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