GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2001
🢒
Express
🢒
Engine
🢒
Engine Controls - 8.1L
🢒 Secondary Air Injection Vacuum Control Solenoid Valve Replacement
Removal Procedure
Raise the vehicle. Refer to
Lifting and Jacking the Vehicle
in General Information.
Remove pump assembly. Refer to
Secondary Air Injection Pump Replacement
.
Remove vacuum control solenoid from pump bracket.
Installation Procedure
Install vacuum control solenoid to pump bracket.
Install pump assembly. Refer to
Secondary Air Injection Pump Replacement
.
Lower the vehicle.