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Home >> Buick >> 2004 >> Rainier 5.3 P, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control System - 4.2L (Introduction)) >> 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. The fuel system O-ring seals are made of special material. Service the O-ring seals with the correct service part.

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