Blazer 2WD V6-4.3L VIN X (2004)
1. Install the heater core to the heater/vent module.
2. Install the heater core access cover.
NOTE: Refer to Fastener Notice in Service Precautions. See: Heating and Air Conditioning/Service Precautions/Vehicle Damage Warnings
Tighten
Tighten the heater core access cover screws to 1.9 N.m (17 lb in).
3. Install the heater/vent module.
