How to Install an HVAC Pressure Switch on 2007 Dodge Caliber?

After installing the Refrigerant Pressure Sensor / Switch, make sure to use the given O-ring made from special R-134a material and only the required A/C compressor oil. Lubricate an O-ring seal (4) with clean oil and place it onto discharge line fitting (3). Following that, screw on the HVAC Pressure Switch (2) to the end of the A/C discharge line and fix it tight. Run the wire harness connector into the HVAC Pressure Switch (1), fit the front fascia top and finish by hooking up the negative battery cable.

OEM 2007 Dodge Caliber HVAC Pressure Switch

Air Pressure Switch

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3 HVAC Pressure Switches found

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2007 Dodge Caliber Check Valve, Rear Part Number: 5003862AA
$4.62 MSRP: $6.95
You Save: $2.33 (34%)
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Product Specifications
- Other Name: Valve - A/C Line; High Side Adapter; Valve Core; Compressor Cut-Out; HVAC Switch; Trinary Switch; Pressure Switch; Fill Valve; Suction, Liquid, Discharge Line Valves; A/C Check Valve Core.
- Position: Rear
- Item Weight: 0.60 Pounds
- Item Dimensions: 0.8 x 0.5 x 0.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5003862AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2007 Dodge Caliber Submodels:
- R/T, SE, SRT-4, SXT | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
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2007 Dodge Caliber Check Valve Part Number: 5189373AA
$25.05 MSRP: $31.95
You Save: $6.90 (22%)
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Product Specifications
- Other Name: Valve - A/C Line; High & Low Side Charging Adapters; Service Valve Core.; Service Valve; Line Valve; Liquid Line Valve; Valve Core A/C Line
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5189373AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following 2007 Dodge Caliber Submodels:
- R/T, SE, SRT-4, SXT | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
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2007 Dodge Caliber 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 2007 Dodge Caliber Submodels:
- Express, Heat, Mainstreet, R/T, Rush, SE, SRT-4, SXT, Uptown | 1.8L L4, 2.0L L4, 2.4L L4, 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS

2007 Dodge Caliber HVAC Pressure Switch Parts and Q&A

Q: How to Install an HVAC Pressure Switch on 2007 Dodge Caliber?
A: After installing the Refrigerant Pressure Sensor / Switch, make sure to use the given O-ring made from special R-134a material and only the required A/C compressor oil. Lubricate an O-ring seal (4) with clean oil and place it onto discharge line fitting (3). Following that, screw on the HVAC Pressure Switch (2) to the end of the A/C discharge line and fix it tight. Run the wire harness connector into the HVAC Pressure Switch (1), fit the front fascia top and finish by hooking up the negative battery cable.