1982 Mercedes Benz 300sd fuel pump belt

1982 MERCEDES BENZ 300SD
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DAVID MORRIS
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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 ?
Dec 21, 2008 at 12:49 PM
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IMPALASS
  • ✓ASE Certified Mechanic
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  • ASE Certified Mechanic
Hello - I believe this what you are talking about. Tensioning V-belt A Alternator - coolant pump


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

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


https://images.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).
Dec 21, 2008 at 2:12 PM
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