Detroit Diesel 4000 Series, Service Manual, Page: 66 / 2706

SERIES 4000 12/16V SERVICE MANUAL
Description Size Category
Usage
Description
Torque
(N·m)
Nut M10 A
Turbo Mounting (Dry
Exhaust)
60 - 66
Nut M12 B
Nut, Gear Case to
Block Joint
110-120*
Nut M16 X 1.5 A
Valve Bridge and
Rocker Arm Nut*
90-100
Nut M24 X 2.0 E
Main Bearing Cap
(Reference Category
F and H)*
**
Stud M10 A
Stud Installation,
Turbo Oil Drain
Flange
10-15
Stud M12 A
Stud Installation,
Gear Case/Block
Joint
10-15
Stud M24 X 2.0 A
Main Bearing Cap
Stud
80-90
Fuel Line M24 X 1.5 C
Nut, High-Pressure
Fuel Lines
(Reference
Category F)*
100-110*
Fuel Line M40 X 1.5 C
Nut, High-Pressure
Fuel Lines
(Reference
Category F)*
100-110*
Fuel Line M42 X 1.5 A Fuel Rail Nut 550-605
Sensor M18 X 1.5 A Fuel Monitor - Marine 25-28
Sensor 1/4 - 18 NPTF A
Coolant Temperature
- Marine
10.8-16.3
Sensor 1/4 - 18 NPTF A
Pressure Transducer
- Marine
20-45
Sensor 1/4 - 18 PTF-SAE A
Coolant Level
Indicator - Marine
2.7-4.1
Sensor 1/4 - PTF-SAE A
Coolant Level -
Industrial
42-45
Sensor 3/8 - PTF-SAE A
Coolant Level -
Industrial
42-45
Regulator M45 X 1.5 A
Oil Pressure
Regulator
60-70
* Additional information in assembly drawing referenced in the respective UPC group.
** Main bearing cap stud stretching detailed in assembly referenced in 6A1 Group.
Category A — Load within design capability. Process verification controlled by correct tooling. Verification — to minimum torque value.
All information subject to change without notice.
A -30
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