How to replace the A/C Expansion Valve-auxiliary on Chevrolet Trailblazer?

The first step to replace the thermal expansion valve-auxiliary is Evaporator core-auxiliary removal following by the removal of foam insulators from both auxiliary lines and the auxiliary valve. A back up wrench allows users to loosen flare nuts from the thermal expansion valve-auxiliary then they should detach the auxiliary thermal expansion valve sensing bulb and retaining clip from the Evaporator core-auxiliary lines. The installation starts by removing the thermal expansion valve-auxiliary unit from the Evaporator core-auxiliary circuits while the technician compares and disposes of the o-ring seals from the Evaporator core-auxiliary system and ensures to cap or tape the lines to avoid contamination. First cut off tape or cap from Evaporator core-auxiliary lines before adding a new o-ring to install the thermal expansion valve-auxiliary. The technician must use a back up wrench to tighten the flare nuts to 5 n.m (44 lb in). Afterward install foam insulators on both the Evaporator core-auxiliary lines and the thermal expansion valve-auxiliary before reattaching the Evaporator core-auxiliary.

OEM Chevrolet Trailblazer A/C Expansion Valve

Air Conditioning Expansion Valve

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Chevrolet Trailblazer Expansion Valve Part Number: 42747630
$61.60 MSRP: $110.00
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Product Specifications
- Other Name: Valve Kit, Air Conditioner Expansion Refrigerant; A/C Expansion Valve; Valve Kit, A/C Expansion Refrigerant
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | ACTIV, L, LS, LT, RS | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Expansion Valve Part Number: 88892986
Product Specifications
- Other Name: Valve, Air Conditioner Evaporator; A/C Expansion Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006 Chevrolet Trailblazer | LS, LT, SS | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS

Chevrolet Trailblazer A/C Expansion Valve

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A/C Expansion Valve is an important part of the group of air-conditioning units of some Chevrolet Trailblazer models that regulate the proper refrigerant flow and provides more effective operation. This A/C Expansion Valve has a very important function of controlling the amplitude of the refrigerant which passes through the evaporator hence helping to increase the comfort of the vehicle. As a dependable part, A/C Expansion Valve suits the Trailblazer generations Provide by Chevrolet Chevrolet always develops the generations of Chevrolet Trailblazer to improve the effectiveness and efficiency of air conditioning system. This A/C Expansion Valve has much more importance than just performing this operation, it assures the relative safety and comfort of numerous passengers by maintaining proper conduction of the air conditioning in car in challenging conditions. Specificity of A/C Expansion Valve is its durability and precise regulating elements that also prevent leakage of the refrigerant and excess pressure. Besides increasing the durability of the air conditioning system, this extends the lifespan of the vehicle and shows how Chevrolet values performance and quality. The enhancement of the Chevrolet Trailblazer also bring the importance of the A/C Expansion Valve in the continuous improvement of the vehicle's air conditioning system as a valued feature that contributes to the strengths of the car in competition with other cars in the said market. Because this A/C Expansion Valve can fit many Trailblazer models, it is a vital product for any Trailblazer owner who wants to keep his or her car in good condition and comfortable environment.

Chevrolet Trailblazer A/C Expansion Valve Parts and Q&A

Expansion Valve
88892986
Q: How to replace the A/C Expansion Valve-auxiliary on Chevrolet Trailblazer?
A:
The first step to replace the thermal expansion valve-auxiliary is Evaporator core-auxiliary removal following by the removal of foam insulators from both auxiliary lines and the auxiliary valve. A back up wrench allows users to loosen flare nuts from the thermal expansion valve-auxiliary then they should detach the auxiliary thermal expansion valve sensing bulb and retaining clip from the Evaporator core-auxiliary lines. The installation starts by removing the thermal expansion valve-auxiliary unit from the Evaporator core-auxiliary circuits while the technician compares and disposes of the o-ring seals from the Evaporator core-auxiliary system and ensures to cap or tape the lines to avoid contamination. First cut off tape or cap from Evaporator core-auxiliary lines before adding a new o-ring to install the thermal expansion valve-auxiliary. The technician must use a back up wrench to tighten the flare nuts to 5 n.m (44 lb in). Afterward install foam insulators on both the Evaporator core-auxiliary lines and the thermal expansion valve-auxiliary before reattaching the Evaporator core-auxiliary.