Specifications

Volvo Trucks North America, Inc. Date Group No. Page

TSI 9.2003 211 007 20(41)

T2006777

Fig. 23: Tightening rocker arm shaft and camshaft

together

W2003520

Fig. 24: Bearing caps and camshaft/rocker shaft,

tightening sequence, D12, D12A, D12B

On engines equipped with VOLVO Engine Brake, reinstall

the VEB control valve at this time. Slide the valve and

pipe into the rocker arm shaft as a unit. Apply Loctite

to the mounting bolt threads and torque the bolts to 33

± 4 Nm (24 ± 3 ft-lb).

Note: Make sure that the flywheel is at 0

and the

camshaft is at TDC according to the marking.

Tighten the rocker arm shaft together with the camshaft,

using the 5-step torque sequence shown below. When

reinstalling a rocker arm shaft that has been loosened

or removed, torque-tighten only the bolts that hold the

rocker arm shaft.

1 15 ± 5 Nm (11 ± 4 ft-lb); +90 ± 5

2 45 Nm (33 ft-lb)

3 15 ± 5 Nm (11 ± 4 ft-lb); +90 ± 5

4 45 Nm (33 ft-lb); loosen to

0 Nm (0 ft-lb)

5 15 ± 5 Nm (11 ± 4 ft-lb); +90 ± 5

W2000720

Fig. 25: Fuel lines installed

Install fuel lines to the rear of the cylinder head.

Note: Use new copper washers.