GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Impala 🢒 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 .
  2. Partially 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 (3) from the throttle body and the vehicle.

Installation Procedure

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