Noise from front section of supercharger on Pontiac Grand Prix GTP

The supercharger may develop a noise in the front section of the supercharger assembly. The is due to a worn coupler. Our technicians tell us that a remanufactured coupler section is available from aftermarket suppliers.
RepairPal Verified
Average mileage: 174,633 (130,000–222,850)
Engine affected: 3.8L V6 Supercharged
5 model years affected: 1997, 1998, 1999, 2004, more2005
16 people reported this problem
6 people shared problem details
relaced coupler in the supercharger
Knocking sound coming from just in front of the supercharger. I suspected the supercharger but it can also be from the engine.
Ticking noise made from supercharger or valve tap I'm nosure
Super charger went out
sounds like an exhaust leak when i accelerate
supercharger is knocking and making the engine stall out
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