Torque Specifications - Mercury MerCruiser D2.8L D-Tronic Service Manual

ENGINE MECHANICAL

Torque Specifications

1 : Along with the application of conventional torque, all D2.8L D-Tronic and D4.2L D-Tronic diesel engines
will require cylinder head torque with a suitable wrench using a Torque Angle Gauge (obtain locally). Refer
to Late Model Cylinder Head Gasket - Torque Sequence and Specifications, Early Model Cylinder Head
Gasket - Torque Sequence and Specifications, or Cylinder Head section.
2 : Bolts may be used a maximum of 3 times within the prescribed torque limits.
3 : Use Loctite 222 on threads.
Page 3A-4
Description
Alternator Bracket Bolt
Alternator Brace To Timing Cover
Camshaft Flange Mounting Screw
Connecting Rod Bolt
Crankshaft Pulley Nut
Cylinder Head Bolts
Engine Mount
Flywheel Housing
Flywheel 2
Glow Plug
Idler Gear Mounting Screw
M12x1.75
M8x1.25
M11x1
3
M24x1.5
14mm Dia.
12mm Dia.
M10x1.5
To Block M10x1.5
Rear Main
Bearing M8x1.25
Carrier Nut
Rear Portion M10x1.5
M12x1.25
M 8 x 1.25
SERVICE MANUAL NUMBER 22
Nm lb-in.
68.6
45-50 34-37
27.5
29.4
+ 60
degrees degrees
196.2
2
1
See .
2
68.6
50
27.5
50
110
23
27.5
90-860074--1 FEBRUARY 2002
lb-ft
50
20
21
+ 60
144
50
37
20
37
81
17
20