Inspect the front and the rear suspension for the following:

Inspect the power steering lines and the hoses for the following:

Inspect the tires for uneven wear or damage. If there is irregular or premature wear, check the wheel alignment. Inspect for damaged wheels. For tire diagnosis information, refer to Abnormal or Excessive Tire Wear in Suspension General Diagnosis.

For wheel alignment diagnosis information, refer to Preliminary Alignment Inspection in Wheel Alignment.

Inspect the complete system. Inspect the body near the exhaust system. Look for broken, damaged, missing or out-of-position parts as well as open seams, holes, loose connections or other conditions which could cause a heat build-up in the floor pan or could let exhaust fumes into the vehicle. For exhaust system inspection diagnosis, refer to one of the following procedures:

Caution: NEVER spray water on a hot heat exchanger. The resulting steam could cause personal injury.

Notice: Compressed air or water can be used to clean the radiator fins. Do not exceed 138 kPa (20 psi). Pressure over 138 kPa (20 psi) will damage the radiator.

Inspect the hoses and replace if they are cracked, swollen or deteriorated.

Inspect all pipes, fittings and clamps; replace as needed.

Important: The radiator and A/C condenser should be kept clean for proper system performance. Cleaning is recommended at least once a year.

Inspect the front surface of the radiator and A/C condenser. Insects, leaves, debris, etc. can affect the performance of the radiator and A/C condenser.

If the front surface of either or both of these components is found to be in need of cleaning, the unwanted material can be removed by performing the following:

To help ensure proper cooling system pressure performance, a pressure test of the cooling system and pressure cap is recommended at least once a year.

Throttle system (includes accelerator and cruise control) should operate freely without hesitation between full closed and wide open throttle.

Important: The accelerator and cruise control cables should not be lubricated under any condition. Throttle system components causing hesitation or sticking should be replaced.

Inspect the following:

Inspect the complete system.

Notice: A low brake fluid level can indicate worn disc brake pads which may need to be serviced. Also, if the brake system warning light stays on or comes on, something may be wrong with the brake system. If the anti-lock brake system warning light stays on or comes on, something may be wrong with the anti-lock brake system.

Inspect the brake lines and the hoses for the following:

Inspect the disc brake pads for wear. Inspect the rotors for surface condition. Inspect other brake parts, including the calipers, the parking brake, etc.

The brakes may need to be inspected more often if driving habits or conditions result in frequent braking.

If the vehicle is operated in a highly corrosive environment, as indicated by the shaded areas on the map, the vehicle may require additional brake service. Refer to the appropriate GM Service Bulletin for the proper caliper inspection procedure. As necessary, caliper pins and knuckle brake pad abutments should be lubricated at every other tire rotation. Also see a GM retailer's service department or qualified service center for additional information.