GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2007 🢒 H3 🢒 Engine 🢒 Engine Controls and Fuel - 3.7L 🢒 Secondary Air Injection Pump Inlet Hose Replacement

Removal Procedure

    Object Number: 1749356 Size: SH
  1. Open the hood.
  2. Disconnect the secondary air injection (AIR) pump inlet hose quick connect fitting from the air cleaner assembly. Refer to Plastic Collar Quick Connect Fitting Service.

    3. Object Number: 1749357 Size: SH
  3. Disconnect the AIR pump inlet hose quick connect fitting (1) from the AIR pump. Refer to Plastic Collar Quick Connect Fitting Service.
  4. Remove the AIR pump inlet hose from the vehicle.

Installation Procedure

    Object Number: 1749357 Size: SH
  1. Install the AIR pump inlet hose to the vehicle.
  2. Connect the AIR pump inlet hose quick connect fitting (1) to the AIR pump. Refer to Plastic Collar Quick Connect Fitting Service.

    3. Object Number: 1749356 Size: SH
  3. Connect the AIR pump inlet hose quick connect fitting to the air cleaner assembly. Refer to Plastic Collar Quick Connect Fitting Service.
  4. Close the hood.