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1988 Buick Century Limited 3.8L Alternator
Posted to GM Electrical on 5/13/2006 46 Replies

Has loud rattling/knocking noise between [...] rpm. If you unplug the alternator the noise instantly goes away. Tried a different alternator and the noise is still there. If you slowly take tension off the tensioner until the alternator starts slipping a littl...

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  Related Documents & Media  1988 Buick Century Limited

 
Message Closed w/FIX

car Vehicle Data

1988 Buick Century Limited

VIN 1G4AL5131J
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedAlternator
ConditionsNoisy, Rattling/Knocking
Message Closed w/FIX

car Vehicle Data

1988 Buick Century Limited

VIN 1G4AL5131J
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedAlternator
ConditionsNoisy, Rattling/Knocking