How to replace the A/C Orifice Tube in an A/C system on Buick LeSabre?

The first step in replacing the A/C Orifice Tube requires refrigerant recovery and disconnecting the a/c Evaporator hose from its retaining clips. The a/c Evaporator hose needs separation at its A/C Orifice Tube location before removing the A/C Orifice Tube from the hose line. The new A/C Orifice Tube installation demands mineral base 525 viscosity refrigerant oil lubrication for the new o-ring prior to its insertion into the Evaporator hose while you also must ensure that the short screen with arrow points toward the Evaporator. Fit the a/c Evaporator tube while tightening its o-ring joints to 27 n.m (20 lb ft), followed by installation of the a/c Evaporator hose in the retaining clips. Before completion the technician will do a system recharge while also using the halogen leak detector (J 39400-A) for component fitting leak testing.

OEM Buick LeSabre A/C Orifice Tube

A/C Hose

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Buick LeSabre Orifice Part Number: 52473660
$20.61 MSRP: $38.70
You Save: $18.09 (47%)
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Product Specifications
- Other Name: Orifice Assembly, A/C Evaporator Tube; A/C Orifice Tube; Inlet; Orifice, A/C Expansion Refrigerant; Orifice, A/C Evaporator
- Replaces: 52463639
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2005 Buick LeSabre | Custom, Limited | 6 Cyl 3.8 L GAS

Buick LeSabre A/C Orifice Tube

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A fundamental component in the Buick Lesabre A/C system the A/C Orifice Tube guarantees advanced operation and improved efficiency across various A/C systems of Buick Lesabre models. This reliable component found in the A/C Orifice Tube controls refrigerant liquid flow between system areas while it creates a separator for low and high pressure regions to promote perfect cooling operation. The stationary orifice tube operates as an essential metering element because it controls the refrigerant flow rate thus directly affecting the compressor functions. The accumulation of debris during operation of the system may create clogs that affect A/C performance quality by causing inconsistent cooling as well as evaporator Smoothzes. The replacement of the A/C Orifice Tube should happen regularly to avoid major performance issues which safeguards the comfort abilities of the Buick Lesabre. The A/C Orifice Tube can be easily installed where the condenser and evaporator connect making it a convenient element for maintenance work. The Buick Lesabre A/C Orifice Tube demonstrates superior market presence by providing a long service life together with critical functionality for preserving the stability of a vehicle's A/C system operation. This compatible component serves as a critical element for different Buick Lesabre models to achieve optimal vehicle performance and thus proves to be a reliable preference among Buick vehicle owners.

Buick LeSabre A/C Orifice Tube Parts Questions & Experts Answers

Orifice
52473660
Q: How to replace the A/C Orifice Tube in an A/C system on Buick LeSabre?
A:
The first step in replacing the A/C Orifice Tube requires refrigerant recovery and disconnecting the a/c Evaporator hose from its retaining clips. The a/c Evaporator hose needs separation at its A/C Orifice Tube location before removing the A/C Orifice Tube from the hose line. The new A/C Orifice Tube installation demands mineral base 525 viscosity refrigerant oil lubrication for the new o-ring prior to its insertion into the Evaporator hose while you also must ensure that the short screen with arrow points toward the Evaporator. Fit the a/c Evaporator tube while tightening its o-ring joints to 27 n.m (20 lb ft), followed by installation of the a/c Evaporator hose in the retaining clips. Before completion the technician will do a system recharge while also using the halogen leak detector (J 39400-A) for component fitting leak testing.