REP-TAT-P-1131-02 Install exhaust camshaft

Clean all the bearing positions (arrows).
Coat all bearing positions (arrows) with motor oil.

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Clean all bearing positions of the exhaust camshaft bearing caps (A1), (A2), (A3), (A4) and (A) and coat with motor oil.
Clean the bearing positions (1) of the high pressure pump bracket and coat with motor oil.

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Clean all the bearing positions (arrows) of the exhaust camshaft.
Coat all bearing positions (arrows) of the exhaust camshaft with motor oil.

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Check all roller cam follower (1) of the exhaust side for correct fit.

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Insert the exhaust camshaft (2) in the cylinder head, so that the mark (1) points upwards.

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Check the fitting sleeves (1) of the thrust bearing for damage, replace if necessary.
Check the fitting sleeves (2) of the high pressure pump bracket for damage, replace if necessary.

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NOTE: RISK OF DAMAGE
Engine damage caused by incorrectly installed bearing shells and bearing brackets.
Engine damage may result from incorrectly installing bearing shells and bearing brackets.

Always install all bearing shells and bearing brackets in the same position from which they were removed.

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Replace all exhaust camshaft bearing cap so that the labeling (1) from the intake side are readable.

NOTE: TECHNICAL INFORMATION
The camshaft bearing caps must not be mixed up. The camshaft bearing caps must be installed in the installation position from which they were removed.

Oil all the exhaust camshaft bearing caps (A1) to (A4) and the exhaust camshaft bearing cap for the thrust bearing (A) with motor oil and place into position.
Oil the bearing position at the high pressure pump bracket with motor oil and place the high pressure pump bracket into position.

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Check the tensile strength of the screws for the bearing caps.
The illustration shows the screw with a tensile strength of 8.8 .

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Check the tensile strength of the screws for the bearing cap.
The illustration shows the screw with a tensile strength of 10.9 .

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NOTE: TECHNICAL INFORMATION
The camshaft is tensioned by the valve springs. Tighten or loosen each screw on the camshaft bearing caps one at a time in the specified sequence and by half a turn only. Repeat procedure.

Press the exhaust camshaft bearing cap down and hand-tighten the screws incrementally in sequence (1) to (14).

Fig 1: Exhaust Camshaft Bearing Cap Screws Tightening Sequence
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Abut all screws in the sequence from (1) to (14) in half turns .
Observe the joining torque.
Tighten all screws in a sequence from (1) to (14).

TIGHTEN TORQUES SPECIFICATIONS

Exhaust camshaft to cylinder head
M6	Tensile strength of screw 8.8 Joining torque	9.6 Nm
tightening torque		9.6 Nm
M6	Tensile strength of screw 10.9 Joining torque	11.8 Nm
tightening torque		11.8 Nm

Relax special tool 2 410 670 above the spindle nut.
Release special tools 0 495 741 (11 8 552) and remove the special tool 2 410 670 .

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Position and install the roller tappet (1).
Make sure the pin (2) is correctly positioned in the guide (3).
Insert and install the roller tappet (1).

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