Workshop Manual

Table Of Contents
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D 2011 wCylinder head
TD 2011 w, TCD 2011 wW 01-01-01
Arrangement of the inlet and exhaust val-
ves.
IN = inlet valve
EX = exhaust valve
Valve overlap means:
The inlet valve starts opening,exhaust
valve closes.
Attention!
In case of internal exhaust gas recircula-
tion, the inlet valve is opened briefly by an
additional cam on the camshaft.
This is not to be confused with the valve
overlap.
IN
EX
EX
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z Select feeler gauge.
z Check the setting on the appropriate valve.
The feeler gauge must pass between the
rocker arm's sliding surface and the valve
without too much resistance.
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Setting valve clearance
z Loosen lock nut (1).
z Hold adjusting screw (2).
z Set valve clearance.
–Inlet
0.3 mm
–Outlet
0.5 mm
If there is not enough valve clearance, uns-
crew setting screw (2).
If there is too much valve clearance, turn in
setting screw (2).
2
1
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