Commander 4WD V8-4.7L VIN N (2006)
1. Position the air distribution housing (2) onto the rear of the HVAC housing (3) by inserting the tabs on the bottom of the distribution housing into
the slots located on the bottom of the HVAC housing.
2. Tip the air distribution housing upward until it is properly aligned with the HVAC housing and the locking tabs at the top of the distribution
housing are fully engaged.
3. Install the seven screws (1) that secure the air distribution housing to the HVAC housing. Tighten the screws to 2.2 N.m (20 in. lbs.).
4. Remove the tape or plugs from the heater core tubes (4) and the heater core (6).
5. Lubricate new rubber O-ring seals with clean engine coolant and install them onto the heater core tube fittings. Use only the specified O-rings as
they are made of a special material for the engine cooling system.
6. Install the heater core tubes onto the heater core and loosely install the bolt (5) that secures the tubes to the heater core.
7. Install the screw (1) that secures the heater core tube retaining bracket (2) to the HVAC housing (3). Tighten the screw to 2.2 N.m (20 in. lbs.).
8. Tighten the bolt that secures the heater core tubes to the heater core to 3 N.m (27 in. lbs.).
