Grand Prix V6-3.8L (2007)
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.
4. Install the heater core cover.
Notice: Refer to Fastener Notice in Service Precautions.
5. Install the heater core cover screws to the heater core cover.
Tighten all the screws to 1.5 N.m (13 lb in).
6. From the inside of the heater core outlet cover, drill the dimples adjacent to the heat stakes using a 5.5 mm (7/32 in) drill bit.
