For 1990-2009 cars

1. Inspect the control valve body for the following:

• | A damaged or rough pump shaft bearing

• | Casting porosity

• | Interconnected oil passages

• | Damaged machined surfaces

• | Foreign material

2. Inspect the solenoids for the following:

• | Cut seals

• | Bent connectors or broken wires

• | Cracked or damaged plastic housings

• | Foreign material

3. Inspect the valves and bushings for the following:

• | Wear

• | Nicks

• | Scratches

4. Inspect the springs for damaged or distorted coils.