LaCrosse V6-3.6L (2007)
Heater Core: Service and Repair
Heater Core Replacement
Heater Core Replacement
Tools Required
J 38185 Hose Clamp Pliers
Removal Procedure
1. Drain the coolant. Refer to Draining and Filling Cooling System (GE 47716 Fill) Draining and Filling Cooling System (L26 Static Fill) Draining
and Filling Cooling System (LY7 Static Fill).
2. Use J 38185 in order to position aside the heater hose inlet and outlet clamps at the heater core.
3. Disconnect the inlet and outlet heater hose from the heater core.
4. Remove the RH instrument panel closeout/insulator panel.
5. Remove the LH instrument panel closeout/insulator panel.
6. Remove the floor carpet.
7. Remove the communication interface module.
8. Remove the rear floor air outlet duct from the holes in the floor reinforcement.
9. Disconnect the rear floor air outlet duct from the heater core outlet cover.
10. Remove the rear floor air outlet duct.
11. Remove the heater core outlet cover screws (2).
12. Remove the heater core outlet cover heat stakes (1) with a small chisel.
13. Remove the heater core outlet cover from the HVAC module assembly.
14. Remove the heater core cover screws (2).
