GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Century 🢒 Engine 🢒 Engine Cooling 🢒 Throttle Body Heater Inlet Hose Replacement

Removal Procedure

    Object Number: 622761 Size: SH
  1. Remove the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement in Engine Controls - 3.1L.
  2. Drain the cooling system. Refer to Cooling System Draining and Filling .
  3. Remove the throttle body inlet hose clamp and the hose (3) from the coolant pipe.
  4. Remove the throttle body inlet hose clamp and the hose from the throttle body.
  5. Remove the throttle body inlet hose (3).

Installation Procedure

    Object Number: 622761 Size: SH
  1. Install the throttle body inlet hose (3).
  2. Install the throttle body inlet hose and the clamp to the throttle body.
  3. Install the throttle body inlet hose (3) and the clamp to the coolant pipe.
  4. Fill the cooling system. Refer to Cooling System Draining and Filling .
  5. Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement in Engine Controls - 3.1L.