How to replace the A/C Expansion Valve on Cadillac STS?

The first step to replace the air conditioning Evaporator thermal expansion valve includes separating the hvac module from the vehicle. Stop the insulation from thermal expansion valve (TXV) before discarding it. Begin by taking off the hvac line clamp screw together with its clamp before uninstalling bolts that fasten the txv to the Evaporator. The txv line bracket should be detached first so users can pull the txv directly from the Evaporator core which breaks its connection with the a/c lines. Before inserting the txv onto the Evaporator core applicants must lubricate all o-rings then mount the a/c lines before properly seating the txv. Mounted the txv line bracket by following fastener safe procedure steps. Install the txv to the Evaporator core by applying torque to the bolts at 3.5 nm (31 lb in) before reinstalling the hvac line clamp along with its clamp screw tightened at 1 nm (8 lb in). After replacement of the hvac module finish the installation task by adding new insulation coverage over lines and txv.

OEM Cadillac STS A/C Expansion Valve

Air Conditioning Expansion Valve

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Cadillac STS Expansion Valve Part Number: 19129999
$116.85 MSRP: $240.12
You Save: $123.27 (52%)
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Product Specifications
- Other Name: Valve Kit, A/C Evaporator Thermal Expansion; A/C Expansion Valve; Valve Kit, A/C Expansion Refrigerant
- Replaces: 89022549
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2011 Cadillac STS | Base, Platinum, V | 6 Cyl 3.6 L GAS, 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS

Cadillac STS A/C Expansion Valve

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This A/C Expansion Valve plays an important role of ensuring the efficiency of the air conditioning systems of Cadillac STS cars and its reliability and quality is well known. This A/C Expansion Valve currently controls the flow of refrigerant and is ideal for achieving efficient cooling procedures as well as for rendering compatible STS models suitable for use. However, the development of different types of A/C Expansion Valves has taken several form in order to increase its performances which is considered as important factor that haves an impact on Cadillac STS climate control system. Pertaining to this, the Cadillac STS, a luxury sedan model that has created a silhouette in car enthusiasts since 1988 will reap the most of its A/C Expansion Valve with the newer features added to it. Apart from increasing the car's functionality in cooling, this aspect also plays a role in safety by guaranteeing that the A/C system is working optimally, eliminating the prospect of the vehicle overheating. Precision and compatibility makes the A/C Expansion Valve unique for auto market, this expansion valve is suitable for various model STS as well as enhancing the brand's stance and tradition on luxury and high performance. The A/C Expansion Valve shows Cadillac's capacity to fit its product to different motors; both the V6 models and the impressive Northstar V8, evidencing once more Cadillac's commitment to providing an optimal driving experience. All in all, A/C Expansion Valve is crucial for optimizing the functionality and security of the vehicle, making it audible among others as the right and exceptional air conditioning expansion valve in the Cadillac STS series.

Cadillac STS A/C Expansion Valve Parts and Q&A

Expansion Valve
19129999
Q: How to replace the A/C Expansion Valve on Cadillac STS?
A:
The first step to replace the air conditioning Evaporator thermal expansion valve includes separating the hvac module from the vehicle. Stop the insulation from thermal expansion valve (TXV) before discarding it. Begin by taking off the hvac line clamp screw together with its clamp before uninstalling bolts that fasten the txv to the Evaporator. The txv line bracket should be detached first so users can pull the txv directly from the Evaporator core which breaks its connection with the a/c lines. Before inserting the txv onto the Evaporator core applicants must lubricate all o-rings then mount the a/c lines before properly seating the txv. Mounted the txv line bracket by following fastener safe procedure steps. Install the txv to the Evaporator core by applying torque to the bolts at 3.5 nm (31 lb in) before reinstalling the hvac line clamp along with its clamp screw tightened at 1 nm (8 lb in). After replacement of the hvac module finish the installation task by adding new insulation coverage over lines and txv.