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

The first step before replacing the A/C Orifice Tube requires refrigerant recovery. Begin by disconnecting the a/c Evaporator hose from retaining clips and separating it where the A/C Orifice Tube exists before you pull that tube out from the line. The installation of a new A/C Orifice Tube requires mineral base 525 viscosity refrigerant oil lubrication for the o-ring and proper orientation of the short screen and arrow toward the Evaporator direction. Attach the new A/C Orifice Tube by connecting and tightening the a/c Evaporator tube o-ring joint connections to 27 n.m (20 lb ft). The next step includes the installation of a/c Evaporator hose into retaining clips before recharging the system with the halogen leak detector (J 39400-A) to perform a leak test on the fittings.

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 and Q&A

Orifice
52473660
Q: How to replace the A/C Orifice Tube in an A/C system on Buick LeSabre?
A:
The first step before replacing the A/C Orifice Tube requires refrigerant recovery. Begin by disconnecting the a/c Evaporator hose from retaining clips and separating it where the A/C Orifice Tube exists before you pull that tube out from the line. The installation of a new A/C Orifice Tube requires mineral base 525 viscosity refrigerant oil lubrication for the o-ring and proper orientation of the short screen and arrow toward the Evaporator direction. Attach the new A/C Orifice Tube by connecting and tightening the a/c Evaporator tube o-ring joint connections to 27 n.m (20 lb ft). The next step includes the installation of a/c Evaporator hose into retaining clips before recharging the system with the halogen leak detector (J 39400-A) to perform a leak test on the fittings.