How to Maintain an HVAC Pressure Switch on 2005 Chrysler Pacifica?

To service the refrigerant pressure sensor, disconnect the negative battery cable and the wire harness from the HVAC pressure switch on the liquid line. Remove the switch and O-ring. Use a specified O-ring for R-134a, lubricate it, reinstall the switch, reconnect the harness, and restore the battery connection.

OEM 2005 Chrysler Pacifica HVAC Pressure Switch

Air Pressure Switch

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1 HVAC Pressure Switch found

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2005 Chrysler Pacifica Pressure Switch Part Number: 5174039AB
$118.97 MSRP: $175.00
You Save: $56.03 (33%)
Product Specifications
- Other Name: Valve - A/C Pressure Transducer; Refrigerant, HVAC, Compressor, Trinary Switches; Pressure Transducer; Includes O-Ring and Item #4; Discharge Line Valve.
- Replaces: 5175684AA, 5189363AA, 5096084AA, 5174039AA
- Item Weight: 0.40 Pounds
- Item Dimensions: 1.1 x 1.2 x 2.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5174039AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2005 Chrysler Pacifica Submodels:
- Base, LX, Limited, Touring | 3.5L V6, 3.8L V6, 6 Cyl 3.5 L GAS, 6 Cyl 3.8 L GAS, 6 Cyl 4.0 L GAS

2005 Chrysler Pacifica HVAC Pressure Switch Parts and Q&A

Q: How to Maintain an HVAC Pressure Switch on 2005 Chrysler Pacifica?
A: To service the refrigerant pressure sensor, disconnect the negative battery cable and the wire harness from the HVAC pressure switch on the liquid line. Remove the switch and O-ring. Use a specified O-ring for R-134a, lubricate it, reinstall the switch, reconnect the harness, and restore the battery connection.