gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

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Expansion Block/Orifice Tube|Description and Operation > < Evaporator Core|Front|Page 5673

Suburban 3/4 Ton 4WD V8-305 5.0L (1986)

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Expansion Block/Orifice Tube: Locations

Evaporator Tube

The Expansion Tube is located in the evaporator inlet pipe (high side line) at the liquid line connection. 

Expansion Block/Orifice Tube|Description and Operation > < Evaporator Core|Front|Page 5673