gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Heater Core > < Expansion Block/Orifice Tube|Service and Repair
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5. Connect the evaporator tube at the fitting.

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

6. Evacuate and recharge the system. Refer to Refrigerant Recovery and Recharging.
7. Leak test the fittings of the repaired component using J39400-A.

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