HVAC Housing Assembly

WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

Refer to the applicable warnings Plumbing , Warning and cautions Plumbing , Caution for this system before performing the following operation. Failure to follow these instructions may result in possible serious or fatal injury.

WARNING:

Disable the airbag system before attempting any steering wheel, steering column or instrument panel component diagnosis or service. Disconnect and isolate the negative battery (ground) cable, then wait two minutes for the airbag system capacitor to discharge before performing further diagnosis or service. This is the only sure way to disable the airbag system. Failure to follow these instructions may result in accidental airbag deployment and possible serious or fatal injury.

NOTE:

The HVAC housing must be removed from the vehicle for service of the A/C evaporator, heater core, mode-air and blend-air doors and air inlet housing.

Fig 1: HVAC Housing To Engine Compartment Side Of The Dash Panel Nuts

Courtesy of CHRYSLER LLC

Disconnect and isolate the negative battery cable.
Recover the refrigerant from the refrigerant system. Refer to Plumbing , Standard Procedure .
Drain the engine cooling system. Refer to Standard Procedure .
Disconnect the A/C liquid line and the A/C suction line from the A/C expansion valve. Refer to LINE, A/C Liquid , Removal .
Disconnect the heater hoses from the heater core tubes.
If required, remove the Powertrain Control Module (PCM) to gain access to the two nuts (2) that secure the HVAC housing to the engine compartment side of the dash panel. Refer to MODULE, Powertrain Control , Removal MODULE, Powertrain Control, 6.7L Diesel [ETJ] , Removal .
Remove the two nuts from the studs (1) that secure the HVAC housing to the engine compartment side of the dash panel.

Fig 2: HVAC Housing To Floor Bracket Nuts
Courtesy of CHRYSLER LLC
If equipped with center floor console, remove the floor console duct. Refer to DUCT, Floor Console , Removal .
Remove the instrument panel from the passenger compartment. Refer to PANEL, Instrument , Removal .
If equipped, remove the rear floor ducts. Refer to DUCT, Floor Distribution, Rear , Removal .
Remove the bolt (3) that secures the HVAC housing (2) to the floor bracket.
Remove the two nuts (1) that secure the HVAC housing to the passenger compartment side of the dash panel.
Pull the HVAC housing assembly rearward and remove the housing assembly from the passenger compartment.