Mechanics

FUEL PUMP BELT

1982 Mercedes Benz 300sd

Engine Mechanical problem
1982 Mercedes Benz 300sd Two Wheel Drive Automatic 250000 miles

how do you get the belt loose is there a secret bolt? I put a new alternator on it and cant get the pump belt loose to replace the alternator belts it loose but there seems to be something holding it I found 3 bolts to loosten the pump am I missimg 1?
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David morris
December 21, 2008.




Hello -

I believe this what you are talking about.

Tensioning

V-belt A Alternator - coolant pump


http://www.2carpros.com/forum/automotive_pictures/248015_1_124.jpg



1. Loosen nut (1) and screws (2 and 3).


http://www.2carpros.com/forum/automotive_pictures/248015_2_81.jpg



2 Tension V-belt by means of nut (5) of tensioning screw (4).
3 Tighten nut (1) and screws (2 and 3).
4 Continue turning nut (5) by approx. 1/4 to 1/2 turn (to tight seat).

ImpalaSS
Dec 21, 2008.


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