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6A–61 ENGINE MECHANICAL (6VD1 3.2L) Limit: 39.47 mm (1.5539 in) 014RW047 2. Measure the valve seat contact width. Make the necessary corrections if the seat contact surface is Valve seat contact width 014RS011 Contact Surface Angle on Valve Seat on 1. Measure contact surface angle on valve seat. 2. If the measured value exceeds the limit, replace valve, valve guide and valve seat as a set. Valve contact surface angle: 45 ° 014RS012 Valve Seat Insert Correction 1. Remove the carbon from the valve seat insert surface. 2. Use a valve cutter to minimize scratches and other rough areas. This will bring the contact width back to Valve seat angle degree: 90 ° 014R100036 3. Apply abrasive compound to the valve seat insert surface. 4. Insert the valve into the valve guide. insert. |