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17 ENGINE
17.4.25 Changing camshaft bearing
17.4.26 Checking the valves
Info
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Mount the cylinder head.
I
Clamping plate (75029050000) (
.-
p. 224)
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Remove the large camshaft bearing using the special tool.
I
Push-out drift (75029051000) (
.-
p. 224)
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Remove the small camshaft bearing
O
using the special tool.
Bearing puller (15112017000) (
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p. 219)
Internal bearing puller (15112018100) (
.-
p. 220)
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Press the small camshaft bearing in until flush using the special tool @.
I
Push-in drift (75029044020) (
.-
p. 223)
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Press the large camshaft bearing in until flush using special tool (D.
I
Push-in drift (75029044010) (
.-
p. 223)
The valve shaft is hard-chrome plated; wear generally appears at the valve guide.
200193-10
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Check the run-out at the valve plate.
Valve
Run-out at valve plate
:5 0.05 mm (:5 0.002 in)
If the measured value does not meet specifications:
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Change the valve.
156