The other day I changed the rotors on the wifes '85 300D. I had a hellova time breaking loose the bolts that hold the calipers on.

I noticed the bolts had blue stuff near the tip. I'm guessing it's Locktite. I didn't put any locktite on the bolts when I re-assembled. I didn't put any on the hub bolts either.

Do I need to? I'd rather not so they won't be so difficult to remove in the future. Although, I don't want the calipers or rotors to fall off either!

P.S. I got a used MB caliper from a bone yard for $25. It works fine.

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Mr. BILL

91 300E 120K
90 300SE 275K (sold)
92 BMW 525iM 120K
90 BMW 525iA 175K
85 300D 175K (sold)
84 300SD 245K (sold)