GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 Sonoma Pickup - 2WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Secondary Air Injection Pump Outlet Pipe/Hose Replacement

Removal Procedure
  1. Raise vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove outlet hose from the pump.
  3. Remove the outlet hose clamp from the shut-off valve and vehicle.

Installation Procedure
  1. Install the outlet hose to the shut-off valve.
  2. Install the outlet hose to the pump.
  3. Install band clamps.