Special Tools
• | J 26549-E Orifice Tube Remover and Installer |
Removal Procedure
- Recover the refrigerant from the A/C system. Refer to
Refrigerant Recovery and Recharging.
- Remove the evaporator hose retaining nut from the evaporator.
- Use the
J 26549-E in order to remove the expansion tube (1).
- If the expansion tube is stuck perform the following:
• | Remove as much of the impacted residue as possible. |
• | Carefully apply heat with a heat gun, or hair dryer 7 mm (0.25 in) from the dimples on the inlet pipe. |
• | DO NOT overheat the pipe. |
• | While applying heat, use the
J 26549-E in order to grip the expansion tube. Use a turning motion along with a push-pull motion to loosen the impacted expansion tube and remove. |
Installation Procedure
Note:
• | Install the shorter screen end (3) first into the evaporator. |
• | Coat the O-ring seal (2) with 525 viscosity refrigerant oil. |
- Use the
J 26549-E in order to install the expansion tube.
- Install new sealing washers to the evaporator tube. Refer to
Sealing Washer Replacement.
- Install the evaporator hose to the evaporator.
Caution: Refer to Fastener Caution in the Preface section.
- Install the evaporator hose retaining nut to the evaporator and tighten to
16 N·m (12 lb ft).
- Evacuate and recharge the A/C system. Refer to
Refrigerant Recovery and Recharging.
- Leak test the fittings of the components using the
J 39400-A .