LaCrosse V6-3.8L VIN 2 (2005)
17. Remove the heater core from the HVAC module assembly.
18. Remove the heater core foam seal (1) from the HVAC module assembly.
INSTALLATION PROCEDURE
1. Install a new heater core foam seal (1) to the HVAC module assembly.
2. Install the heater core to the HVAC module assembly.
3. From the inside of the heater core cover, drill the dimples adjacent to the heat stakes using a 5.5 mm (7/32 in) drill bit.
