Owner's Manual
Page 224
... that the Supercharger is pumping is available at all driving conditions. This air mixed withfuel, creates increased engine power. Coolant Pump The powertrain control module (PCM), works with a vacuum control to pump more air into theengine than it would normally use. See "Maintenance Schedule" in the 3800 V6 Supercharged engine. Alternator... uses an engine accessory belt. C. This diagram shows the features connected by the belt routing. Crank E. Engine Accessory Belt 3800 Supercharged (L67) Engine (Option) Your Bonneville may have a 3800 Supercharged engine.
... that the Supercharger is pumping is available at all driving conditions. This air mixed withfuel, creates increased engine power. Coolant Pump The powertrain control module (PCM), works with a vacuum control to pump more air into theengine than it would normally use. See "Maintenance Schedule" in the 3800 V6 Supercharged engine. Alternator... uses an engine accessory belt. C. This diagram shows the features connected by the belt routing. Crank E. Engine Accessory Belt 3800 Supercharged (L67) Engine (Option) Your Bonneville may have a 3800 Supercharged engine.