How to Install an HVAC Pressure Switch on 2008 Jeep Grand Cherokee?

To install the Refrigerant Pressure Sensor/Switch, use the specified O-ring for R-134a and the required refrigerant oil. Lubricate a new O-ring with clean refrigerant oil, install it on the discharge line fitting, tighten the HVAC pressure switch to 5.1 Nm, connect the wire harness, and reconnect the negative battery cable.

OEM 2008 Jeep Grand Cherokee HVAC Pressure Switch

Air Pressure Switch

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

2 HVAC Pressure Switches found

View related parts
2008 Jeep Grand Cherokee Check Valve, Rear Part Number: 5003862AA
$4.62 MSRP: $6.95
You Save: $2.33 (34%)
Ships in 1-2 Business Days
ADD TO CART
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.
More Info
Fits the following 2008 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
View related parts
2008 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 2008 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

2008 Jeep Grand Cherokee HVAC Pressure Switch Parts and Q&A

Q: How to Install an HVAC Pressure Switch on 2008 Jeep Grand Cherokee?
A: To install the Refrigerant Pressure Sensor/Switch, use the specified O-ring for R-134a and the required refrigerant oil. Lubricate a new O-ring with clean refrigerant oil, install it on the discharge line fitting, tighten the HVAC pressure switch to 5.1 Nm, connect the wire harness, and reconnect the negative battery cable.