Astro Van 2WD V6-4.3L VIN W (2001)
Tighten
Tighten the screws and the band clamp to the left side of the heater core to 2 N.m (18 lb in).
4. Install the screws and the band clamp to the right side of the heater core.
Tighten
Tighten the screw and the band clamp to the right side of the heater core to 2 N.m (18 lb in).
5. Connect the auxiliary heater pipes from the auxiliary heater module.
6. Install the clamps to the auxiliary heater pipes.
7. Install the body side front lower trim panel.
8. Refill the system with engine coolant. Refer to Draining and Filling Cooling System in Cooling System.
