1994 Pontiac Bonneville Owner's Manual - Page 204

n D Engine Accessory Belt The 3800 (L27) engine uses an engine accessory belt. This diagram shows the features connected by the belt routing. in See "Maintenance Schedule'' the Index for when to check the belt. A.PowerSteering B. Crank C. CoolantPump D. Air Conditioning E. Alternator F. Tensioner The Powertrain Control Module (PCM), works with a vacuum control to regulate the increased pressure required during specific driving conditions. When this Your Bonneville may have a 3800 increased pressure or boost isnot desired, Supercharged engine. The Supercharger is such as during idling and light throttle a device which is designed to pump more ' cruising,theexcess air thatthe air into the engine than it would normally Supercharger is pumping is routed,through use. This air mixed with fuel, creates a bypass. All of these controls, working increased engine power. Since the together provide high performance Supercharger is a pump and is driven character and fuel efficiencyin the3800 from an engine accessory drive belt, V6 Supercharged engine. increased pressure is available at all driving conditions, The power steering pump uses a Remote reservoir mounted on the throttle w d cruise control cable bracket. See "Maintenance Schedule" in the Index for when you should check the fluid: 3800 Supercharged (L67) Engine (OPTION)