30/ENGINE - WORK ON INDIVIDUAL PARTS 106
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– Tension the valve spring with a special tool.
Valve spring mounter (59029019000) ( p. 195)
Valve spring mounting device (78029060000) ( p. 202)
– Mount valve keys . Release the tension on the valve spring.
Info
When mounting the valve keys, check that they are seated correctly; prefer-
ably, fix the valve keys to the valve with a little grease.
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– Place shims into the valve spring retainer according to the installation position.
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– Position the cam lever and mount cam lever axles .
– Mount plugs with new O-rings.
Guideline
Plug, cam lever axis M10x1 15 Nm
(11.1 lbf ft)
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– Mount oil pressure sensor .
Guideline
Oil pressure sensor M10x1 10 Nm (7.4 lbf ft)
Info
This only applies to the front cylinder head!
– Mount coolant temperature sensor .
Guideline
Coolant temperature sensor M12x1.5 12 Nm (8.9 lbf ft)