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At Each Fuel Stop
► Check the engine oil level before the vehicle is driven for a long distance or whenever fuel is added. This simple habit helps the engine stay properly lubricated and can rev
► Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000 mi. Vehicles used for commercial work, repeated short trips, extended idling, heavy loads, dusty roads, o
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POWER STEERING SYSTEM DESCRIPTION AND OPERATION
The hydraulic power steering pump is a constant-displacement vane-type pump that supplies the hydraulic pressure and fluid flow needed by the power steering gear. Depending on the vehicle design, the pump may be driven by the engine drive belt or by a
The front suspension carries steering loads, braking forces, road impacts, and vehicle weight at the front of the vehicle. For a Buick Enclave, the front suspension must keep the front tires properly positioned while allowing the wheels to move over road irregularities with controlled movement. The
Owner Checks and Services