How to Install an HVAC Pressure Switch on 2007 Jeep Grand Cherokee?

Installing the Refrigerant Pressure Sensor / Switch requires using the proper O-ring, made specifically for R-134a and also using only the correct oil type for the A/C compressor. Put enough clean refrigerant oil on a new O-ring and insert it into the discharge line fitting (3). Following that, install the HVAC pressure switch (2) firmly onto the A/C discharge line. Afterward, put the wire harness connector (1) on top of the HVAC pressure switch and then reattach the negative battery cable.

OEM 2007 Jeep Grand Cherokee HVAC Pressure Switch

Air Pressure Switch

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2 HVAC Pressure Switches found

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2007 Jeep Grand Cherokee 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 Jeep Grand Cherokee Submodels:
- 65th Anniversary Edition, Laredo, Limited, Overland, SRT8 | 6 Cyl 3.0 L DIESEL, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.1 L GAS
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2007 Jeep Grand Cherokee 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 Jeep Grand Cherokee Submodels:
- Laredo, Limited, Overland | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.6 L FLEX, 8 Cyl 5.7 L GAS

2007 Jeep Grand Cherokee HVAC Pressure Switch Parts and Q&A

Q: How to Install an HVAC Pressure Switch on 2007 Jeep Grand Cherokee?
A: Installing the Refrigerant Pressure Sensor / Switch requires using the proper O-ring, made specifically for R-134a and also using only the correct oil type for the A/C compressor. Put enough clean refrigerant oil on a new O-ring and insert it into the discharge line fitting (3). Following that, install the HVAC pressure switch (2) firmly onto the A/C discharge line. Afterward, put the wire harness connector (1) on top of the HVAC pressure switch and then reattach the negative battery cable.