K 3500 Truck 4WD V8-6.6L DSL Turbo VIN 1 (2001)
1. Install the heater core.
2. Install the heater core cover.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install heater core cover screws.
Tighten
Tighten the screws to 1.6 Nm (14 lb in).
4. Install the heater/vent module.
