TORQUE SETTINGS
16 4
012/4016 Diesel, February 1997
NOTE: * Bolt heads and threads must be lubricated with clean engine oil.
** Cylinder head bolts to be lubricated under the heads, under the washers and on
the threads with PBC (Poly-Butyl-Cuprysil) grease. Important: See Workshop Manual
S
ection R11
before fitting. However, d
ry threads are required for connecting rod bolts and
the raw water pump shaft nut, but all other threads only to be lubricated with clean engine
oil and care must be taken NOT to oil the heads or faces.
TORQUE SETTINGS
CYLINDER HEAD GROUP lbf.ft Nm
Cylinder head bolt ** (early type) M24 550 750
Cylinder head bolt ** (later waisted type) M24 530 720
Rocker shaft capscrew/nut M16 90 120
Rocker adjuster nuts inlet/exhaust M12 35 50
Rocker adjuster nuts pump injectors M14 50 70
Injector clamp capscrews M12 70 95
Bridge piece adjuster nuts M10 25 35
Injector clamp to cylinder head capscrews M12 70 95
Rocker box bolts M10 35 50
Air manifold bolt M10 35 50
Exhaust manifold bolts M10 50 70
Exhaust bellows to exhaust manifold (16 cyl only)
prevailing torque bolts / nuts M10 45 60
Exhaust Y piece (16 cyl only) prevailing torque bolts M10 38 50
Schwitzer turbocharger 'V'-band clamp nuts M8 8 11
Sandwich plate retaining capscrews M10 35 50
CRANKCASE AND CRANKSHAFT GROUPS
Main bearing bolts * See Section W4 M24 580 786
L
ateral capscrews, main bearing caps for sequence M16 124 168
Bolts sump to crankcase M10 40 54
New connecting rod bolts (must be fitted with dry threads) M16 210 285
Inspection covers M10 35 50
Viscous damper bolts M16 250 340
Flywheel bolts See
Section X3 for sequence M16 250 340
F
ront drive adaptor bolts (12 cylinder engines only) M16 250 340
Front drive adaptor bolts (16 cylinder engines only) M20 380 520
Balance weight bolts M16 250 340
Crankshaft pulley bolts M16 250 340
Piston cooling jet screws M10 20 27
Flywheel housing bolts M10 35 50
Lifting bracket Durlock screws M10 50 70
WARNING
IT IS ESSENTIAL THAT THE CORRECT LENGTH OF SCREW OR
BOLT IS USED. INSUFFICIENT LENGTH MAY RESULT IN THE
THREAD BEING STRIPPED, WHEREAS TOO LONG A THREAD MAY RESULT IN
BOTTOMING IN A BLIND HOLE, OR CATCHING ON ADJACENT COMPONENTS.
