How to replace the A/C Orifice Tube in an A/C system on Chevrolet S10?

Before installation of the A/C Orifice Tube, recover refrigerant first then remove the evaporator tube from the evaporator unit while discarding the o-ring seal. The technicians should use the orifice tube remover and installer (J 26549-E) to pull out the A/C Orifice Tube. Remove any blocked material from the tube starting from the dimples up to the inlet then carefully detach the nearby pressure switch to avoid damaging the tube while heating. Use a heat gun or equivalent heating device that includes either a hair dryer or epoxy dryer to warm the inlet pipe at a distance of 7 mm (0.25 in) from its dimples while employing the j 26549-e tube holder. A pushing motion combined with turning motions can help you free and remove the lodged tube. Begin by inserting first the shorter end of the new A/C Orifice Tube with j 26549-e tool into the evaporator unit. Then coat the o-ring seal with 525 viscosity oil before installation. Attach the evaporator tube to the evaporator by tightening it to 28 n.m (21 lb ft). The evacuation and recharging process should be performed on the a/c system before testing the fittings with the halogen leak detector (J 39400-A).

OEM Chevrolet S10 A/C Orifice Tube

A/C Hose

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Chevrolet S10 Evaporator Core Connector Part Number: 3033879
$9.91 MSRP: $17.69
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Product Specifications
- Other Name: Orifice, A/C Evaporator Tube; A/C Evaporator Core Repair Kit; A/C Accumulator Tube Outlet; A/C Orifice Tube; A/C Line Screen; Tube; Strainer; Inlet Orifice; A/C Expansion Refrigerant; Gasket, A/C Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-2004 Chevrolet S10 | Base, LS, SS, Xtreme, ZR2, ZR5 | 6 Cyl 4.3 L GAS

Chevrolet S10 A/C Orifice Tube

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The Chevrolet S10 A/C Orifice Tube serves as a fundamental part in the air conditioning system of Chevrolet S10 vehicles that are well known for their reliable performance delivery. This fixed system component controls liquid refrigerant flow to isolate the different pressure zones in the system said to be necessary for maximum cooling capability. The S10 A/C Orifice Tube from Chevrolet functions with multiple S10 vehicle generations through its model compatibility allowing users to achieve consistent performance. Keeping the A/C Orifice Tube properly maintained remains crucial because tube blockage causes major cooling trouble that affects safety and comfort. Owners of Chevrolet S10 vehicles will experience improved A/C system efficiency when they keep the A/C Orifice Tube operating correctly which results in better driving safety together with enhanced comfort. Few A/C Orifice Tubes on the market have such a plain design because they omit moving elements that reduce failure risk. The basic design aspects alongside crucial A/C system functions make the Chevrolet car A/C Orifice Tube a trusted solution for maintainin People who own the automaker model choose the A/C Orifice Tube because of its established reputation as an indispensable system component.

Chevrolet S10 A/C Orifice Tube Parts and Q&A

Evaporator Core Connector
3033879
Q: How to replace the A/C Orifice Tube in an A/C system on Chevrolet S10?
A:
Before installation of the A/C Orifice Tube, recover refrigerant first then remove the evaporator tube from the evaporator unit while discarding the o-ring seal. The technicians should use the orifice tube remover and installer (J 26549-E) to pull out the A/C Orifice Tube. Remove any blocked material from the tube starting from the dimples up to the inlet then carefully detach the nearby pressure switch to avoid damaging the tube while heating. Use a heat gun or equivalent heating device that includes either a hair dryer or epoxy dryer to warm the inlet pipe at a distance of 7 mm (0.25 in) from its dimples while employing the j 26549-e tube holder. A pushing motion combined with turning motions can help you free and remove the lodged tube. Begin by inserting first the shorter end of the new A/C Orifice Tube with j 26549-e tool into the evaporator unit. Then coat the o-ring seal with 525 viscosity oil before installation. Attach the evaporator tube to the evaporator by tightening it to 28 n.m (21 lb ft). The evacuation and recharging process should be performed on the a/c system before testing the fittings with the halogen leak detector (J 39400-A).