How to Service and Repair an HVAC Pressure Switch on 2009 Jeep Commander?

Always use R-134a-compatible O-ring when you handle and wash the refrigerant pressure switch and confirm that only the correct type of oil is used for your compressor. Lubricate the new rubber O-ring and then install it using refrigerant oil onto the discharge line fitting (3). Then, put the HVAC pressure switch (2) onto the A/C discharge line and tighten it up to 5.1 Nm (45 in. lbs.). From here, join the small wire connector (1) directly to the HVAC pressure switch. Use the negative battery cable to complete the circuit.

OEM 2009 Jeep Commander HVAC Pressure Switch

Air Pressure Switch

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2009 Jeep Commander Check Valve, Rear Part Number: 5003862AA
$4.62 MSRP: $6.95
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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.
More Info
Fits the following 2009 Jeep Commander Submodels:
- 65th Anniversary Edition, Base, Limited, Overland, Sport | 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS

2009 Jeep Commander HVAC Pressure Switch Parts and Q&A

Q: How to Service and Repair an HVAC Pressure Switch on 2009 Jeep Commander?
A: Always use R-134a-compatible O-ring when you handle and wash the refrigerant pressure switch and confirm that only the correct type of oil is used for your compressor. Lubricate the new rubber O-ring and then install it using refrigerant oil onto the discharge line fitting (3). Then, put the HVAC pressure switch (2) onto the A/C discharge line and tighten it up to 5.1 Nm (45 in. lbs.). From here, join the small wire connector (1) directly to the HVAC pressure switch. Use the negative battery cable to complete the circuit.