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1982 Mercedes Benz 300sd fuel pump belt

Tiny
DAVID MORRIS
  • MEMBER
  • 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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Sunday, December 21st, 2008 AT 12:49 PM

1 Reply

Tiny
IMPALASS
  • MECHANIC
  • 3,112 POSTS
Hello -

I believe this what you are talking about.

Tensioning

V-belt A Alternator - coolant pump


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



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


https://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).
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Sunday, December 21st, 2008 AT 2:12 PM

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