Section 1 - Cylinder Block - Group 01 Cylinder Block - Inspection for Reuse (1-02) M11 Page 1-19 High Oil Pressure Regulator Seat Depth - Measurement Measure the relief valve seat depth in the cylinder block. High Oil Pressure Relief Valve Seat Depth mm in 62.62 MIN 2.465 63.62 MAX 2.505 NOTE: If the relief valve seat is not at the specified depth, or is loose or not level in the cylinder block, the seat must be removed and inspected. Use puller kit, Part No. 3375784, to remove the seat. If the seating surfaces are free of indentations, the seat can be reused. If the surfaces have indentations, the seat must be replaced. Use regulator valve seat driver, Part No. 3376486, to install the seat.
Main Oil Pressure Regulator Valve Bore - Measurement Measure the inside diameter of the main oil pressure regulator valve bore. Main Oil Pressure Regulator Valve Bore I.D. mm in 22.226 MIN 0.8750 22.301 MAX 0.8780 Idler Gear Ring Dowel Bore - Measurement Measure the inside diameter of the three idler gear ring dowel bores. Idler Gear Ring Dowel Bore I.D. mm in 19.175 MIN 0.7549 19.215 MAX 0.7565