S46, S56, S66, RB75 +4X4

Phaser Engine Section12A-07

Cylinder head assembly

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12 Fit the high-pressure fuel pipes; tighten the connection nuts to 18 Nm (14 Ibf ft) 1,9 kgfm. Where a Bosch fuel injection pump is fitted, ensure that a separate spanner is used to prevent movement of the fuel injection pump outlets.

13 Fit the fuel filter and the bracket. Fit the low-pressure fuel pipes between the fuel injection pump and the fuel fitter.

14 Fit the coolant by-pass connection; tighten the setscrews and hose clip.

15 If a compressor is fitted: Fit the coolant pipe between the cylinder head and the compressor. Then fit the pipe between the coolant by-pass and compressor.

16 Engine types AB, AD and certain AA: Fit the oil cooler.

17 Fit the exhaust manifold. The manifold joints are fitted without jointing compound.

18 Engine types AB, AC, AD, YB, YC and YD: Fit the turbocharger.

19 Engine types AA, AB, AC and AD: Fit the induction manifold. Ensure that the manifold joints for the front and rear positions are fitted with the notch at the top left when the manifold is fitted to the cylinder head (B). The manifold joint for the centre position can be fitted either way. Fit the joints without jointing compound.

Engine types YA, YB, YC and YD: Fit the induction manifold. Ensure that the joints are fitted with the notch at the top and the straight edge towards the centre (C). Fit the joints without jointing compound.

20 Fit the fuel pipe between the fuel filter and the fuel lift pump.

21 Fit the fuel pipe between the fuel filter and the cold start device in the induction manifold. Connect the electrical connection to the cold start device.

22 Engine types AB, AD, YB and YD: Fit the boost control pipe between the front of the induction manifold and the fuel injection pump.

23 Fit the electrical connection to the coolant temperature sender unit.

24 Connect the coolant outlet and the hoses for the cab heater. Tighten the clips.

25 Fill the cooling system.

26 Connect the air filter/cleaner.

27 Connect the battery.

28 Eliminate air from the fuel system, operation 20A-08A or 20A-08B.

29 Start the engine and run it at low speed. Check that oil flows from the holes in the rocker levers. If the oil flow is correct, fit the rocker cover, operation 12A-01.

It is not necessary to tighten the cylinder head setscrews again with the engine hot or after a limited period in service.

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