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Expansion Block/Orifice Tube|Description and Operation > < A/C System - Flushing Recommendation

Suburban 1/2 Ton 4WD V8-454 7.4L (1987)

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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 > < A/C System - Flushing Recommendation