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TIGHTENING TORQUES
(1) Special Tightening Torques
For " * " marked screws, bolts and nuts on under table, apply engine oil to their threads and seats before tightening.
 
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Cylinder head cover screw
(A) 3 cylinder model   (B) 4 cylinder model
     
Cylinder head screw
  D1102
  D1302
  D1402
  D1502
  V1702
  V1902
50 to 52 ft-lbs
  D1102
  D1302
  D1402
  V1502
  V1702
  V1902
(A) 3 cylinder model

(B) 4 cylinder model
 
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Head Bolts & Nuts Main Bearing
  D1102
  D1302
  D1402
  V1502
  V1702
  V1902
54 to 58 ft-lbs
  D1102
  D1302
  D1402
  V1502
  V1702
  V1902
21 to 25 ft-lbs
 
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Main Bearing Case Bolts Flywheel Bolts Con Rod Bolts ( Big Ends )
  D1102
  D1302
  D1402
  V1502
  V1702
  V1902
47 to 50 ft-lbs
  D1102
  D1302
  D1402
  V1502
  V1702
  V1902
72 to 80 ft-lbs
  D1102
  D1302
  D1402
  V1502
  V1702
  V1902
27 to 30 ft-lbs
 
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Rocker Arm Bracket Studs Glow Plugs Drain Plugs Nozzle Holders
  D1102
  D1302
  D1402
  V1502
  V1702
  V1902
 
  D1102
  D1302
  D1402
  V1502
  V1702
  V1902
  D1102
  D1302
  D1402
  V1502
  V1702
  V1902
21 to 36 ft-lbs
 
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General Tightening Torques
Screw and bolt material grades are shown by numbers punched on the screw and bolt heads.
Prior to tightening, be sure to check out the numbers as shown below.
None or 4 : Standard grade
7 : Special grade

 

Nominal Diameter

Standard Grade

Special Grade

M6

7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs

7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs

M8

7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs

7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs

M10

7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs

7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs

M12

7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs

7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs

Crankshaft Nut
  D1102
  D1302
  D1402
  V1502
  V1702
  V1902
 
 
     
 
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