How to replace the A/C Expansion Valve-auxiliary on GMC Envoy?

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 GMC Envoy A/C Expansion Valve

Air Conditioning Expansion Valve

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GMC Envoy 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:
- 2005-2006 GMC Envoy | Denali | 8 Cyl 5.3 L GAS

GMC Envoy A/C Expansion Valve

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The A/C Expansion Valve is one of the most important parts that greatly affect the operations of the A/C system in GMC Envoy cars. This A/C Expansion Valve is well known for its durability and it is designed to offer accurate regulation of the refrigerant circulation, which is crucial for effective stabilization of the cabin temperature and improvement of the car's comfort. For GMC Envoy models ranging from 1998- 2009 you have the first generation and second generation GMC Envoy A/C Expansion Valve; therefore, it fits in with compatibility and is correctly tailored for each car model. The importance of the A/C Expansion Valve is not only regulating the temperature, but it also plays a role in the safety of the vehicle since it helps to avoid the leakage of the refrigerant as well as optimizes the work of the A/C system. Notably, the automotive market contains designs with specific engineering in the GMC Envoy A/C Expansion Valve, which has made it to exhibit better response rates of times and durability. That is why it stands out and meets the expectations of GMC Envoy owners as the type of suspension that can adapt to different driving conditions and maintain performance in different loads. Due to reliable performance and indispensable function in A/C system, GMC Envoy A/C Expansion Valve reaffirms the company's dedication on both quality and innovation guaranteeing each trip comfortable and secure.

GMC Envoy A/C Expansion Valve Parts Questions & Experts Answers

Expansion Valve
88892986
Q: How to replace the A/C Expansion Valve-auxiliary on GMC Envoy?
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.