One-Piece Valve
- Remove EGR valve and discard gasket. Lightly tap sides and end of valve. Shake valve to remove any loose deposits. Buff exhaust deposits from mounting surface with a wire wheel. Visually inspect valve seating area to ensure that surface is clean.
- Inspect for exhaust deposits in valve outlet. Carefully remove any deposits with a screwdriver. Using a new gasket, reinstall EGR valve.