How to Service an HVAC Pressure Switch on 2005 Dodge Ram 1500?

If you need to service the refrigerant pressure sensor/switch, remove and isolate the negative battery cable as your first step. Then, unpair the wire harness connector from the HVAC pressure switch that's on the A/C discharge pipe. Remove the HVAC pressure switch from the fitting on the A/C discharge line and throw out the O-ring seal. When installing, make sure to use the O-ring made just for R-134a and the required A/C compressor oil. Clean a fresh rubber O-ring seal with refrigerant oil and fix it to the fitting of the discharge line. After that, install the pressure switch onto the A/C discharge line. Seal it tightly so that it does not move. Next, plug in the connector from the wire harness to the HVAC pressure switch and finally wrap the negative battery cable around the meantime nut.

OEM 2005 Dodge Ram 1500 HVAC Pressure Switch

Air Pressure Switch

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2 HVAC Pressure Switches found

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2005 Dodge Ram 1500 Pressure Sensor Part Number: 5073617AA
$57.56 MSRP: $84.70
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Product Specifications
- Other Name: Valve - A/C Pressure Transducer; Refrigerant, HVAC, Compressor, Trinary Switches; Transducer; Valve A/C Pressure Transducer; Transducer Pressure Sensor
- Replaces: 5093080AA
- Item Weight: 0.50 Pounds
- Item Dimensions: 1.0 x 1.1 x 2.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5073617AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2005 Dodge Ram 1500 Submodels:
- Laramie, SLT, SRT-10, ST, Sport, TRX4 | 10 Cyl 8.3 L GAS, 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 5.9 L GAS
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2005 Dodge Ram 1500 Liquid Line Valve Part Number: 5073614AA
Product Specifications
- Other Name: Valve - A/C Line; A/C Low Side Charging Adapter; A/C Compressor Cut-Out Switch; A/C System Valve Core; Valve; Valve Core A/C Line
- Item Weight: 0.40 Pounds
- Item Dimensions: 1.0 x 0.7 x 0.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5073614AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2005 Dodge Ram 1500 Submodels:
- Laramie, SLT, SRT-10, ST, SXT, Sport, TRX4 | 10 Cyl 8.3 L GAS, 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 5.9 L GAS

2005 Dodge Ram 1500 HVAC Pressure Switch Parts and Q&A

Q: How to Service an HVAC Pressure Switch on 2005 Dodge Ram 1500?
A: If you need to service the refrigerant pressure sensor/switch, remove and isolate the negative battery cable as your first step. Then, unpair the wire harness connector from the HVAC pressure switch that's on the A/C discharge pipe. Remove the HVAC pressure switch from the fitting on the A/C discharge line and throw out the O-ring seal. When installing, make sure to use the O-ring made just for R-134a and the required A/C compressor oil. Clean a fresh rubber O-ring seal with refrigerant oil and fix it to the fitting of the discharge line. After that, install the pressure switch onto the A/C discharge line. Seal it tightly so that it does not move. Next, plug in the connector from the wire harness to the HVAC pressure switch and finally wrap the negative battery cable around the meantime nut.