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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.
CAUTION:

Be certain to adjust the refrigerant oil level when servicing the A/C refrigerant system. Refer to OIL, Refrigerant , Standard Procedure . Failure to properly adjust the refrigerant oil level will prevent the A/C system from operating as designed and can cause serious A/C compressor damage.

NOTE:

When replacing multiple A/C system components, refer to OIL, Refrigerant , Standard Procedure  to determine how much oil should be added to the refrigerant system.

NOTE:

If the A/C evaporator is being replaced, add 60 milliliters (2 fluid ounces) of refrigerant oil to the refrigerant system. Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.

NOTE:

Replacement of the refrigerant line O-ring seals and gaskets is required anytime a refrigerant line is disconnected. Failure to replace the rubber O-ring seals and metal gaskets could result in a refrigerant system leak.

Fig 1: HVAC Housing To Floor Bracket Nuts
GC0089547Courtesy of CHRYSLER LLC
  1. Position the HVAC housing assembly (2) into the passenger compartment and over the studs on the dash panel, with the condensate drain tube in its proper location.
  2. Install the two nuts (1) that secure the HVAC housing to the passenger compartment side of the dash panel. Tighten the nuts to 6.8 N.m (60 in. lbs.).
  3. Install the bolt (3) that secures the HVAC housing to the floor bracket. Tighten the bolt to 6.8 N.m (60 in. lbs.).
  4. If equipped, install the rear floor ducts. Refer to DUCT, Floor Distribution, Rear , Installation .
  5. Install the instrument panel assembly. Refer to PANEL, Instrument , Installation .
  6. If equipped with center floor console, install the floor console duct. Refer to DUCT, Floor Console , Installation .
    Fig 2: HVAC Housing To Engine Compartment Side Of The Dash Panel Nuts
    GC0089546Courtesy of CHRYSLER LLC
  7. Install the two nuts (2) onto the two studs (1) that secure the HVAC housing to the engine compartment side of the dash panel. Tighten the nuts to 6.8 N.m (60 in. lbs.).
  8. If removed, install the powertrain control module (PCM). Refer to MODULE, Powertrain Control , Installation and MODULE, Powertrain Control, 6.7L Diesel [ETJ] , Installation .
  9. Connect the heater hoses to the heater core tubes.
  10. Connect the A/C liquid line and the A/C suction line to the A/C expansion valve. Refer to LINE, A/C Liquid , Installation .
  11. Reconnect the negative battery cable.
  12. If the heater core is being replaced, flush the cooling system. Refer to Standard Procedure .
  13. Refill the engine cooling system. Refer to Standard Procedure .
  14. Evacuate the refrigerant system. Refer to Plumbing , Standard Procedure .
  15. If the A/C evaporator is being replaced, add 60 milliliters (2 fluid ounces) of refrigerant oil to the refrigerant system. When replacing multiple A/C system components, see the Refrigerant Oil Capacities chart to determine how much oil should be added to the refrigerant system. Refer to OIL, Refrigerant , Standard Procedure . Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.
  16. Charge the refrigerant system. Refer to Plumbing , Standard Procedure .
  17. Initiate the Actuator Calibration function using a scan tool. Refer to STANDARD PROCEDURE and STANDARD PROCEDURE .
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