buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Service Port HVAC|Service and Repair|Page 12111 > < Air Bag System Schematic Icons|Page 12107
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Service Port HVAC: Service and Repair

SERVICE PORTS REPLACEMENT

TOOLS REQUIRED

J 39400-A Halogen Leak Detector

REMOVAL PROCEDURE

1. Recover the refrigerant from the air conditioning (A/C) system. Refer to Refrigerant Recovery and Recharging.
2. Remove the A/C refrigerant valve (2).
3. Remove and discard the O-ring seal (3).

INSTALLATION PROCEDURE

1. Lightly coat the NEW O-ring seal with mineral base 525 viscosity refrigerant oil.

Service Port HVAC|Service and Repair|Page 12111 > < Air Bag System Schematic Icons|Page 12107