Technical data

8
Specifications
Cylinder block
Height between the cylinder head surface and
contact surface for the bearing cap....................... 236.85-236.98 mm
Cylinder bore ......................................................... 84.442-84.469 mm
Maximum permitted wear, cylinder bore ............... 0.15 mm
Oversize, cylinder bore ......................................... 84.942-84.969 mm
Diameter, bearing recess for main bearings ......... 60.703-60.719 mm
Cylinder head
Valve seat angle .................................................... 45°
Diameter of hole for camshaft ............................... 48.018-48.057 mm
Diameter of hole for valve guides.......................... 11.98-12.00 mm
Diameter of hole for valve lifter ............................. 31.750-31.775 mm
Pressure during leak test ...................................... 200 kPa
Maximum permitted cylinder head out-of-true ...... 0.10 mm
Cylinder head height
MD22L, MD22, TMD22 ..................................... 120.0-120.1 mm
TMD22P, TAMD22 ............................................ 119.4-119.5 mm
Permitted machining of cylinder head surface
MD22L, MD22, TMD22 ..................................... 0.20 mm (cylinder head minimum height 119.85 mm)
TMD22P, TAMD22 ............................................ 0.20 mm (cylinder head minimum height 119.25 mm)
Crank movement
Crankshaft
Diameter, main bearing journals ........................... 56.99-57.01 mm
Maximum permitted play and ovality for main
bearing journals: .................................................... 0.03 mm
Width,
front bearing journal .......................................... 27.9-28.6 mm
center bearing journal ....................................... 32.35-32.43 mm
other bearing journals ....................................... 30.5-31.1 mm
Diameter, big end journals..................................... 53.99-54.01 mm
Maximum permitted play and ovality for big
end journals: .......................................................... 0.03 mm
Width, big end journals .......................................... 27.45-27.65 mm
Crankshaft, axial clearance ................................... 0.03-0.26 mm
Diameter, rear flange ............................................. 88.84-88.95 mm
Maximum permitted diameter, rear flange
(service)................................................................. 88.59 mm
Front stuffing box diameter.................................... 34.965-34.995 mm
Minimum permitted diameter, front stuffing box
(service)................................................................. 34.72 mm
Diameter, camshaft pulley..................................... 31.98-32.00 mm
Diameter, socket for guide bearing ....................... 28.58-28.60 mm
Depth, socket for guide bearing ............................ 20.8 mm
Lower dimensions, main bearings and big
end journals ........................................................... -0.30 mm