1982 Mercedes Benz 300sd Repair Question
Topics covered: Alternator, Coolant, Engine.
Mileage: No information provided.
Mileage: No information provided.
Asked on December 21, 2008
Fuel pump belt
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 ?
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 ?
Answer
Replied on December 21, 2008
Hello –
I believe this what you are talking about.
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Tensioning
V-belt A Alternator - coolant pump

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

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).