How to replace the A/C Expansion Valve for the Auxiliary Air Conditioning Evaporator on Chevrolet Express 2500?

The first step to replace the auxiliary air conditioning A/C Expansion Valve is to remove the Evaporator core. Carefully lift out the sealer which surrounds the A/C Expansion Valve while taking notes about the tube position as well as its orientation on the core. First disconnect the Evaporator tube connections from the A/C Expansion Valve then remove the clip retaining the capillary tube to the Evaporator core before removing the A/C Expansion Valve from the core. Installation of the A/C Expansion Valve requires core attachment after following the recommended fastener procedures. After attaching the Evaporator tube connections to the A/C Expansion Valve users should tighten them to 28 nm (21 lb ft). Next install a clip for retaining the capillary tube to the Evaporator core. Reinstall the Evaporator core after you perform the noted A/C Expansion Valve sealer application from disassembly.

OEM Chevrolet Express 2500 A/C Expansion Valve

Air Conditioning Expansion Valve

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2 A/C Expansion Valves found

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Chevrolet Express 2500 Expansion Valve
Part Number: 52484737
$72.47 MSRP: $148.90
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Product Specifications
- Other Name: Valve, Air Conditioner Evaporator; A/C Expansion Valve; Valve, A/C Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2023 Chevrolet Express 2500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
View related parts
Chevrolet Express 2500 Expansion Valve
Part Number: 52474493
Product Specifications
- Other Name: Valve, Air Conditioner Evaporator; A/C Expansion Valve; Valve, A/C Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1998 Chevrolet Express 2500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL

Chevrolet Express 2500 A/C Expansion Valve

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Chevrolet Express 2500 A/C Expansion Valve Parts Questions & Experts Answers

Expansion Valve
52484737
Q: How to replace the A/C Expansion Valve for the Auxiliary Air Conditioning Evaporator on Chevrolet Express 2500?
A: The first step to replace the auxiliary air conditioning A/C Expansion Valve is to remove the Evaporator core. Carefully lift out the sealer which surrounds the A/C Expansion Valve while taking notes about the tube position as well as its orientation on the core. First disconnect the Evaporator tube connections from the A/C Expansion Valve then remove the clip retaining the capillary tube to the Evaporator core before removing the A/C Expansion Valve from the core. Installation of the A/C Expansion Valve requires core attachment after following the recommended fastener procedures. After attaching the Evaporator tube connections to the A/C Expansion Valve users should tighten them to 28 nm (21 lb ft). Next install a clip for retaining the capillary tube to the Evaporator core. Reinstall the Evaporator core after you perform the noted A/C Expansion Valve sealer application from disassembly.