How to remove and install an A/C Expansion Valve in air conditioning systems that convert refrigerant on Volkswagen Jetta?

Air conditioning system converts hot high-pressure liquid refrigerant of the compressor to cold lower-pressure vapour at the evaporator, which cools the airflow to be delivered to the vents by a discontinuous change in pressure. Most cars have a detachable controlled orifice in one of the air conditioning pipes at the firewall, some also have an expansion valve that functions in the same manner. In order to take out the expansion valve, a licensed technician is required to empty the air conditioning system. After that, the heat shield fasteners and the heat shield may be taken off, and the refrigerant lines can be unconnected at the firewall where they are attached to the expansion valve. Once the valve has been fixed on with bolts, it is removable. The reverse applies to installation whereby all the O-rings are changed to new one.

Genuine Volkswagen Jetta A/C Expansion Valve

Air Conditioning Expansion Valve

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6 A/C Expansion Valves found

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Volkswagen Jetta Expansion Valve Part Number: 1K0-820-679-E
$71.39 MSRP: $99.98
You Save: $28.59 (29%)
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Product Specifications
- Other Name: Valve
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2016-2018 Volkswagen Jetta | GLI, GLI SE, GLI SEL, Hybrid SEL Premium, S, SE, SE Sport, SEL, SEL Premium, Sport, Wolfsburg Edition | 4 Cyl 1.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 1.4 L GAS, 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
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Volkswagen Jetta Expansion Valve Part Number: 1K0-820-679
$83.29 MSRP: $116.65
You Save: $33.36 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Valve
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2005-2015 Volkswagen Jetta | 2.0T, 2.5, Base, GL, GL TDI, GLI, GLI SE, GLI SEL, GLS, GLS TDI, Hybrid, Hybrid SE, Hybrid SEL, Hybrid SEL Premium, S, SE, SEL, Sport, TDI, TDI Cup Edition, TDI Premium, TDI S, TDI SE, TDI SEL, Value Edition, Wolfsburg Edition | 4 Cyl 1.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS, 5 Cyl 2.5 L GAS
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Volkswagen Jetta Expansion Valve Part Number: 6N0-820-679-D
$101.34 MSRP: $141.93
You Save: $40.59 (29%)
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Product Specifications
- Other Name: Valve
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1994-2005 Volkswagen Jetta | Celebration Edition, City, GL, GL TDI, GLI, GLS, GLS TDI, GLX, GT, Jazz, K2, TDI, Trek, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
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Volkswagen Jetta Expansion Valve Part Number: 5Q0-816-679-B
$32.78 MSRP: $54.64
You Save: $21.86 (41%)
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Product Specifications
- Other Name: Valve; Expansion Valve
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2019-2024 Volkswagen Jetta | GLI 35th Anniversary Edition, GLI Autobahn, GLI S, R-Line, S, SE, SEL, SEL Premium, Sport | 4 Cyl 1.4 L GAS, 4 Cyl 1.5 L GAS, 4 Cyl 2.0 L GAS
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Volkswagen Jetta Expansion Valve Part Number: 175-820-679-A
$37.40 MSRP: $51.95
You Save: $14.55 (29%)
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Product Specifications
- Other Name: Valve
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1984 Volkswagen Jetta | Base, GL | 4 Cyl 1.6 L DIESEL
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Volkswagen Jetta Expansion Valve Part Number: 191-820-679
$120.19 MSRP: $168.33
You Save: $48.14 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1985-1992 Volkswagen Jetta | Base, Carat, GL, GLI, GLI 16-Valve | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS

Volkswagen Jetta A/C Expansion Valve

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Volkswagen Jetta A/C Expansion Valve Parts and Q&A

Expansion Valve
1K0-820-679
Q: How to remove and install an A/C Expansion Valve in air conditioning systems that convert refrigerant on Volkswagen Jetta?
A:
Air conditioning system converts hot high-pressure liquid refrigerant of the compressor to cold lower-pressure vapour at the evaporator, which cools the airflow to be delivered to the vents by a discontinuous change in pressure. Most cars have a detachable controlled orifice in one of the air conditioning pipes at the firewall, some also have an expansion valve that functions in the same manner. In order to take out the expansion valve, a licensed technician is required to empty the air conditioning system. After that, the heat shield fasteners and the heat shield may be taken off, and the refrigerant lines can be unconnected at the firewall where they are attached to the expansion valve. Once the valve has been fixed on with bolts, it is removable. The reverse applies to installation whereby all the O-rings are changed to new one.