For 1990-2009 cars

#### Tools Required

• | J 33163 Valve Tray Set

• | J 43773 Valve Spring Compressor

Important: To prevent confusing parts during assembly, use J 33163 to store the removed valves, springs, and stops.

1. Using J 43773 (2), compress the control relief spring until the retaining clip (1) is loose.
2. Remove the clip.
3. Remove the control relief spring (2) and the control relief valve (1).
4. Using J 43773 (2), compress the exhaust pressure regulator valve spring until the retaining clip (1) is loose.
5. Remove the clip.
6. Remove exhaust pressure regulator valve spring (2) and exhaust pressure regulator valve (1).