Lubrication System/Specifications CTM3274 (01JUL99) 25-2 Saran Liter Engines 060799 PN=163 SPECIFICATIONS DIMENSIONS OF NEW PARTS WEAR TOLERANCE Oil pump (standard): • Bore of drive shaft in pump housing . . . . 16.05—16.08 mm 0.08 mm (0.632—0.633 in.) (0.003 in.) • Diameter of idler shaft . . . . . . . . . . . . . . 12.32—12.34 mm 0.013 mm (0.485—0.486 in.) (0.0005 in.) • Diameter of drive shaft journal . . . . . . . . 16.02—16.03 mm 0.025 mm (0.630—0.631 in.) (0.001 in.) • Radial clearance between gear and pump housing . . . . . . . . . . . . . . . . . . . 0.10—0.16 mm 0.20 mm (0.004—0.006 in.) (0.008 in.) • Thickness of gears . . . . . . . . . . . . . . . .
41.15—41.20 mm 0.05 mm (1.620—1.622 in.) (0.002 in.) • Axial clearance between gears and pump cover . . . . . . . . . . . . . . . . . . . . . 0.05—0.17 mm 0.22 mm (0.002—0.007 in.) (0.0085 in.) Oil pump with high flow capacity: • Bore of drive shaft in pump cover . . . . . . 16.06—16.08 mm 0.08 mm (0.632—0.633 in.) (0.003 in.) • Bore of drive shaft in pump housing . . . . 12.28—12.31 mm 0.013 mm (0.4835—0.4845 in.) (0.0005 in.) • Diameter of drive shaft journal . . . . . . . . 16.02—16.03 mm 0.025 mm (0.630—0.631 in.) (0.001 in.) • Thickness of gears . . . . . . . . . . . . . . . . 50.97—51.02 mm 0.05 mm (2.007—2.009 in.) (0.002 in.) • Radial clearance between gear and pump housing . . . . .
. . . . . . . . . . . . . . 0.08—0.18 mm 0.23 mm (0.003—0.007 in.) (0.009 in.) • Axial clearance between gears and pump cover . . . . . . . . . . . . . . . . . . . . . 0.04—0.17 mm 0.22 mm (0.0015—0.006 in.) (0.0085 in.) (Continued on next page) CD,3274,G25,1 -19-10MAR92 25 2