GM Service Manual Online
For 1990-2009 cars only

Throttle Body Heater Outlet Hose Replacement Throttle Body Outlet Hose

Removal Procedure


    Object Number: 163380  Size: SH

    NOTICE: When adding coolant, it is important that you use GM Goodwrench DEX-COOL® or HAVOLINE® DEX-COOL® coolant. If Coolant other than DEX-COOL® or HAVOLINE® DEX-COOL® is added to the system the engine coolant will require change sooner; at 50 000 km (30,000 mi) or 24 months.

  1. Remove the air cleaner and duct assembly. Refer to Air Filter Element and Air Cleaner Assembly in Engine Controls.
  2. Drain the coolant. Refer to Cooling System Draining and Filling .
  3. Disconnect the throttle body outlet hose clamp and the hose.
  4. Remove the throttle body outlet hose.

Installation Procedure


    Object Number: 163380  Size: SH
  1. Connect the throttle body outlet hose with the clamps
  2. Refill the coolant. Refer to Cooling System Draining and Filling .
  3. Install the air cleaner and duct assembly. Refer to Air Filter Element and Air Cleaner Assembly in Engine Controls.