IV. Engine Repair Specifications – 3L
U L-Series Diesel 30
Torque Specifications
Cylinder Head/ Valve Train Kg m lb/ft
Cylinder Head Torque¬-
M12 x 1.5
M8 x 1.25
8.5-9.5 + 60°
+ 30°
/
-0°
2.5-3.5
61-69 + 60°
+ 30°
/
-0°
®
18-25
Valve lash adjusting jamb nut 0.8-1.2 5.8-8.7
Valve cover bolts 0.2-0.5 1.4-3.6
Exhaust Manifold 1.9-2.9 13.7-21.0
Rocker Arm Bracket Assembly 0.8-1.2 5.8-8.7
Exhaust Manifold 1.9-2.9 13.7-21.0
Nozzle Holder Assembly 4.0-5.0 29.0-36.2
Glow Plug 1.5-2.0 10.8-14.5
¬ Torque using the specified sequence
- Bolts must not be reused. New bolts only.
® Clarification: On the second step, turn 60° (and no less, but up to an additional 30°)
Short Block Specifications Kg m lb/ ft
Crankshaft Bearing Cap 8.5-9.5 61.5-68.7
Rod Bearing Cap
3LA/LB1
3LD1
3.8-4.2
7.5-8.5
27-30
54-61
Camshaft Gear Nut 7.0-9.0 50.6-65.0
Idler Gear 2.7-3.5 19.5-25.3
Oil Pump w/o PTO
w/PTO
1.9-2.9
0.8-1.2¬
13.7-21.0
5.8-8.7¬
Front Plate 1.9-2.9 13.7-21.0
Timing Gear Case 1.9-2.9 13.7-21.0
Starter 8.7-10.5 63.0-76.0
Flywheel Housing 4.2-5.6 30.4-40.5
Flywheel Bolts- 9.0-11.0 65.0-79.5
Crank Pulley 17.0-19.0 123.0-137.4
Oil Strainer Bolt 1.9-2.9 13.7-21.0
¬ When PTO is provided, install the oil pump to the front plate.
- Bolts must not be reused. New bolts only.
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