Volvo Penta D65A MS Workshop Manual page 42

Tightening torques
Tightening torques D65A MT
Description
Cylinder Head
Cylinder head nozzle gland (studs)
Rocker case
Rocker shaft
Rocker arm lock nuts
Bridge lock nuts
Camshaft gear
Camshaft thrust plate
Main bearing caps
Main bearing cap side bolts
Hanger
Hanger
Piston cooling nozzle
Timing gear case
Oil pan
Front mounting bracket
Rear mounting bracket
Connecting rod metal caps
Flywheel
Balance weight
Viscous damper
Ring gears
Rear plate
Rear plate
Rear idler shaft
Rear idler shaft (nuts)
Front gear case
Front gear case
Front plate
Front idler shaft
Front idler gear thrust plate
Exhaust manifold V-clamp nuts
Exhaust manifold mounting bolts
(a) Wet , apply lubrication oil to the threads of the nut and bolt.
(b) 2-step tightening method,
(c) Tighten cylinder head bolts according to the angle method, tighten to 294 Nm [30 kpm; 217 lbf.ft], then tighten 60° more.
(d) Extremely important to use torque wrench in tightening the piston cooling nozzles. Failure to do so may result in excessive
tightening torque, which may cause valve malfunctions that could lead to seizing of pistons due to insufficient lubrication.
(e) Tighten connecting rod caps according to the angle method, tighten to 245 Nm [25 kpm; 181 lbf.ft], then tighten 60° more.
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Thread
Diam.xPitch Nm
(M-Thread)
22 x 2,5 539
14 x 2,0 69-78
12 x 1,25 108
14 x 2,0 147
12 x 1,25 64
10 x 1,25 55
12 x 1,25 108
12 x 1,25 59
22 x 2,5 588
20 x 2,5 392
12 x 1,25 392
16 x 1,5 216
12 x 1,75 34
16 x 1,5 255
12 x 1,25 59
20 x 1,5 392
20 x 1,5 392
22 x 1,5 539
22 x 1,5 588
22 x 1,5 490
22 x 1,5 490
10 x 1,25 59
12 x 1,25 108
16 x 1,5 216
20 x 1,25 392
18 x 1,5 196
12 x 1,25 59
16 x 1,5 216
12 x 1,25 59
12 x 1,25 108
10 x 1,25 29
6 x 1,0 9
10 x 1,5 98
Torque
kpm lbf.ft Notes
55 398 (a) (b) (c)
7-8 51-58
11 80
15 108
6,5 47
5,6 40
11 80
6 43
60 434 (a)
40 289
40 289
22 159
3,5 25 (d)
26 188
6 43
40 289
40 289
55 398 (a) (e)
60 434 (a)
50 362
50 362
6 43
11 80
22 159
40 289
20 145
6 43
22 159
6 43
11 80
3 22
0,9 6,5
10 72