Villager V6-181 3.0L SOHC VIN 1 EFI (1997)
Valve Seat: Service and Repair
Inspect the contact surface of each valve seat and valve face for roughness or damage.
If necessary, resurface the valve seat with a 45 degree valve seat cutter.
Use the following procedure for inspecting the valve seat:
1. Apply a thin coat of Prussian Blue to the valve face.
2. Inspect the valve seating by pressing the valve against the valve seat.
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If the blue does not appear 360 degrees around the valve face, replace the valve.
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If the blue does not appear 360 degrees around the valve seat, resurface the seat.