I believe there is a missing bolt in my p/s pump bracket. I can tighten the belt but there is only one bolt that needs to be loosened (at the pivot) and the belt doesn't stay tight. It seems there is a place for another bolt and in my experience there would have to be but I can't see in there well enough to figure it out.
Does anyone have an exploded view of this or know what size bolt it takes?
Thanks in advance!

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1983 M-B 240D-Gone too.
1976 M-B 300D-Departed.

"Good" is the worst enemy of "Great".

no diagram but they are easy enough to locate. either find a picture of the pump removed or search the forum.

there should be 3 bolts holding the pump in and one bolt that sets the tension for the belt.

if you are looking at the pump the three bolts should be roughly at 5, 7, and 9 o'clock. ˙

the tension bolt is on top right of pump toward wheel well.