GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2009
🢒
Canyon Pickup - 4WD
🢒
HVAC
🢒
Heating, Ventilation, and Air Conditioning
🢒 Heater Inlet Pipe Replacement
Tools Required
J 38185
Hose Clamp Pliers
Removal Procedure
Drain the engine cooling system. Refer to
Cooling System Draining and Filling
.
Using the
J 38185
, reposition the heater hose outlet clamp from the heater pipe inlet.
Remove the heater hose outlet from the heater pipe inlet.
Remove the exhaust heat shield. Refer to
Exhaust Manifold Heat Shield Replacement
.
Remove the heater inlet pipe bolt.
Remove the heater inlet pipe.
Installation Procedure
Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the heater outlet hose fitting threads.
Caution:
Refer to
Fastener Caution
in the Preface section.
Install the heater outlet hose fitting. Tighten the heater outlet hose fitting to
45 N·m (33 lb ft).
Install the heater hose outlet to the heater pipe inlet.
Using the
J 38185
, reposition the heater hose outlet clamp to the heater pipe inlet.
Install the exhaust heat shield. Refer to
Exhaust Manifold Heat Shield Replacement
.
Fill the engine cooling system. Refer to
Cooling System Draining and Filling
.