Last night I was tired and went to remove the right front brake caliper off the 1991 560SEL. I inadvertently removed the wrong bolt (bottom hole, photos enclosed). I've cleaned up the bolt using brake cleaner and of course need to reinstall it. Question; should I use some Loctite Blue (anti seize) on the bolt prior to installing?

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It won't hurt it.

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Jim

Note to moderator; can you please move this post to the tech discussion area?

I put thread locker on pretty much everything steering and brakes related, both to keep it in place and also to keep the corrosion out.

-Rog

On a normal size nut or bolt.... ( not the 2 inch nut on the back of a VW crankshaft for instance )
I use Locktite RED....
as it only adds about five foot lbs to the break loose pressure required...
I have been doing this since the mid 1970's when my Harley liked to throw nuts out on the road in random places....

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1980 240d ,

chain elongation, cam marks reference:
http://www.peachparts.com/shopforum/showthread.php?threadid=10414

http://www.peachparts.com/shopforum/diesel-discussion/305365-9-degrees-chain-stretch.html

evap fin cleaning:

http://www.peachparts.com/shopforum/showthread.php?t=156207&highlight=evaporator

A/C thread

http://www.peachparts.com/shopforum/diesel-discussion/297462-c-recommendations-mb-vehicles.html