gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Heater Core > < Expansion Block/Orifice Tube|Service and Repair
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Notice:  Refer to Fastener Notice.

5.  Connect the evaporator tube at the fitting.

Tighten the fitting to 25 N.m (18 lb ft).

6.  Evacuate and recharge the system. Refer to Refrigerant Recovery and Recharging.  See: Service and Repair/Removal and Replacement/Refrigerant

Recovery and Recharging

7.  Leak test the fittings of the repaired component using J 39400-A.

Heater Core > < Expansion Block/Orifice Tube|Service and Repair