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Home >> GMC >> 2011 >> Yukon Base, 5.3 3 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 23 (Engine Controls And Fuel - Hybrid (LZ1) - Description And Operation) >> Description and Operation >> Fuel System Description >> Fuel Pipe O-Rings

Fuel Pipe O-Rings

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O-rings seal the threaded connections in the fuel system. Fuel system O-ring seals are made of special material. Service the O-ring seals with the correct service part.