How to replace the A/C Expansion Valve in the auxiliary system on 2005 Chevrolet Express 2500?

Removing the evaporator core, and sealer around the thermal expansion valve (TXV), in the auxiliary system, with the tube facing a certain way, will replace the thermal expansion valve (TXV). Lose the connections in the evaporator tubes and take out the TXV. Rearrange the TXV, being careful of the orientation and fix the capillary tube then replace the evaporator core back in place.

OEM 2005 Chevrolet Express 2500 A/C Expansion Valve

Air Conditioning Expansion Valve

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2005 Chevrolet Express 2500 Expansion Valve Part Number: 52484737
$73.92 MSRP: $151.88
You Save: $77.96 (52%)
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Product Specifications
- Other Name: Valve, Air Conditioner Evaporator; A/C Expansion Valve; Valve, A/C Evaporator
- Item Weight: 0.90 Pounds
- Item Dimensions: 6.3 x 6.4 x 4.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 52484737
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Chevrolet Express 2500 Submodels:
- 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

2005 Chevrolet Express 2500 A/C Expansion Valve

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2005 Chevrolet Express 2500 A/C Expansion Valve Parts and Q&A

Q: How to replace the A/C Expansion Valve in the auxiliary system on 2005 Chevrolet Express 2500?
A: Removing the evaporator core, and sealer around the thermal expansion valve (TXV), in the auxiliary system, with the tube facing a certain way, will replace the thermal expansion valve (TXV). Lose the connections in the evaporator tubes and take out the TXV. Rearrange the TXV, being careful of the orientation and fix the capillary tube then replace the evaporator core back in place.