Heater Pipe - Inlet
HEATER PIPE REPLACEMENT - INLETTOOLS REQUIRED
J 38185 Hose Clamp Pliers
REMOVAL PROCEDURE
1. Drain the cooling system. Refer to Draining and Filling Cooling System in Cooling System.
2. Using the J 38185, reposition the heater hose outlet clamp from the heater pipe inlet.
3. Remove the heater hose outlet from the heater pipe inlet.
4. Remove the exhaust heat shield.
5. Remove the heater inlet pipe bolt.
6. Remove the heater inlet pipe.
INSTALLATION PROCEDURE
1. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the heater outlet hose fitting threads.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the heater outlet hose fitting.
Tighten
Tighten the heater outlet hose fitting to 45 N.m (33 lb ft).
3. Install the heater hose outlet to the heater pipe inlet.
4. Using the J 38185, reposition the heater hose outlet clamp to the heater pipe inlet.
5. Install the exhaust heat shield.
6. Fill the cooling system. Refer to Draining and Filling Cooling System in Cooling System.