GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Pontiac
🢒
1999
🢒
Grand Prix
🢒
Engine
🢒
Engine Cooling
🢒 Throttle Body Heater Inlet Hose Replacement
Removal Procedure
Carefully remove the throttle body air inlet duct. Refer to
Air Cleaner Assembly Replacement
in Engine Controls - 3.1L.
Drain the cooling system. Refer to
Cooling System Draining and Filling
.
Disconnect the throttle body inlet hose clamp and hose from the coolant pipe (1).
Disconnect the throttle body inlet hose clamp and hose from the throttle body.
Remove the throttle body inlet hose.
Installation Procedure
Install the throttle body inlet hose.
Connect the throttle body inlet hose and clamp to the throttle body.
Connect the throttle body inlet hose and clamp to the coolant pipe (1).
Refill the cooling system. Refer to
Cooling System Draining and Filling
.
Carefully install the throttle body air inlet duct. Refer to
Air Cleaner Assembly Replacement
in Engine Controls - 3.1L.