Scania 16 litre engine. Work Description - part 9

0101w14b.mkr

©

33

IMPORTANT! Make sure to place the pushrods 
in their correct positions. Make sure the pushrod 
to the unit injector is firmly secured in position 
by the retaining ring.

11 Fit the pushrods.

12 Fit the bearing bracket and torque tighten 

the bolts to 105 Nm.

13 Refit the rocker arm shaft. Screw in the bolts 

alternately so that they are tightened in 
parallel or one of the bolts may bend. 
Torque tighten the bolts to 105 Nm.

14 Check the valve clearance and unit injector 

setting as described in Adjusting the valve 
clearance and unit injector.

IMPORTANT! Use torque screwdriver 588 179 
to avoid the risk of shearing off the screws. The 
entire unit injector must be renewed if the 
screws shear off.

15 Reconnect the cables on the unit injectors. 

Their relative position is not important. Use 
torque screwdriver 588 179 to tighten the 
screws to 2 Nm.

115 633

588 179

111 688

2 Nm

Cylinder head

34

©

0101w14b.mkr

16 Fit the upper part of the rocker cover and 

torque tighten the screws to 18 Nm.

17 Fit the exhaust manifold and tighten the 

bolts to 63 Nm.

18 Fit the cooling system ventilation pipe.

19 Fit the fuel manifold with overflow line. 

Torque tighten the screws to 26 Nm and the 
banjo screws on the overflow line to 11 Nm.

112 367

26 Nm

Note: Make sure all the washers with rubber 
seals are intact.

20 Fit the intake manifold.

If cylinder 1-2 was removed:

21 Fit the control unit cooler with control unit 

and fuel filter.

If cylinder 3-4 was removed:

22 Fit the crankcase ventilation unit.

If cylinder 5-8 was removed:

23 Fit the charge air pipe between the 

turbocharger and the charge air cooler.

24 Fit the inlet pipe to the crankcase ventilation 

filter.

25 Screw on the connecting pipe between the 

intake manifolds.

On all cylinders:

26 Connect the air line to the compressor.

27 Connect the pipe from the crankcase 

ventilation.

28 Connect the air line to the compressor.

29 Fit the inlet pipe between the air filter and 

the turbocharger.

Cylinder head

0101w14b.mkr

©

35

Valves

Removing

Special tools

1

Press down the spring using tool 99 322 in a 
press so that the collets can be removed. 
Remove the collets, valve spring collars, 
springs and valves.

2

Place the valves in a stand so that they can 
be refitted in the same position in the 
cylinder head.

Number

Designation

Illustration

Tool board

99 322

Drift

D 5

01_1347

99 322

Cylinder head

36

©

0101w14b.mkr

Fitting

Special tools

1

Lubricate all parts well with engine oil 
before assembly.

2

Fit the valve in the guide.

3

Fit the valve springs and the valve spring 
collar.

4

Compress the springs in a press using tool 
99 322 and fit the collets. Take care to fit the 
collets in the correct position.

Number

Designation

Illustration

Tool board

99 322

Drift

D 5

01

1350

99 322

Cylinder head