For 1990-2009 cars

Caution: Refer to Safety Glasses Caution in the Preface section.

Important: Do not use solvent based cleaning fluids to clean the crankshaft balancer as this may damage the rubber in the crankshaft balancer.

1. Clean the crankshaft balancer in a suitable cleaning fluid and dry the crankshaft balancer using compressed air.
2. Clean the belt grooves of all dirt or debris with a wire brush.
3. Inspect the crankshaft balancer for the following conditions:

• | Worn, grooved, or damaged hub seal surface.

• | A crankshaft balancer hub seal surface with above acceptable scoring, grooves, rust or other damage must be replaced.

• | Minor imperfections on the hub seal surface may be removed with polishing compound or fine grade emery cloth.

| Important: In order for the belt to track correctly, the belt grooves should be free of all dirt or debris.

• | Dirty or damaged belt grooves.

• | The balancer belt grooves should be free of any nicks, gouges, or other damage that may not allow the belt to track correctly.

• | Minor imperfections may be removed with a fine file.

• | Worn, chunking, or deteriorated rubber between the hub and pulley.

• | A crankshaft balancer with worn, chunking, or deteriorated rubber between the hub and pulley must be replaced.