How to Service an HVAC Pressure Switch on 2003 Dodge Ram 1500?

To service the pressure switch in the HVAC, discharge the battery negative cable and the wire harness connector. Loose the screw on the switch off the discharge line fitting and remove the seal. Apply some lubricant to a new O-ring seal, and then apply it, and reconnect all, including the battery cable.

OEM 2003 Dodge Ram 1500 HVAC Pressure Switch

Air Pressure Switch

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2 HVAC Pressure Switches found

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2003 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 2003 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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2003 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 2003 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

2003 Dodge Ram 1500 HVAC Pressure Switch Parts and Q&A

Q: How to Service an HVAC Pressure Switch on 2003 Dodge Ram 1500?
A: To service the pressure switch in the HVAC, discharge the battery negative cable and the wire harness connector. Loose the screw on the switch off the discharge line fitting and remove the seal. Apply some lubricant to a new O-ring seal, and then apply it, and reconnect all, including the battery cable.