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Home >> Cadillac >> 2003 >> Seville V8-4.6L VIN 9 >> Repair and Diagnosis >> Heating and Air Conditioning >> Expansion Block/Orifice Tube >> Service and Repair
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Expansion Block/Orifice Tube: Service and Repair

EXPANSION (ORIFICE) TUBE REPLACEMENT

TOOLS REQUIRED
- J 38042 Dual O-Ring Tube Separator
- J 39400-A Halogen Leak Detector

REMOVAL PROCEDURE




1. Recover the refrigerant from the system.
2. Loosen the O-ring joint.




3. Using the J 38042 , separate the tubing halves.
4. Remove the expansion tube.

INSTALLATION PROCEDURE




1. Lubricate the O-ring with 525 refrigerant oil.
2. Install the expansion tube.
3. Connect the O-ring joint.
4. Tighten the dual O-ring joint.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten
Tighten the dual O-ring joint to 24 N.m (18 lb ft).




5. Reposition the tube to its original position.
6. Recharge the refrigerant system.
7. Leak test the fittings of the repaired or replaced component using J 39400-A.
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