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EGR Valve Cleaning

CAUTION: Do not wash valve assembly in solvents or degreaser, permanent damage to valve diaphragm may result.
  1. Remove EGR valve and discard gasket. Hold valve assembly in hand and tap lightly on the sides and end of valve, using a plastic hammer to remove the exhaust deposits from the valve.
  2. With a wire wheel, buff the exhaust deposits from mounting surface and around valve. Depress valve diaphragm and look at valve seating area through valve outlet to ensure it is clean.
  3. Inspect for exhaust deposits in valve outlet. Remove deposit build up with a screwdriver. Clean mounting surfaces of intake manifold and valve assembly. Install valve assembly using a new gasket.