Cooper (R56) L4-1.6L (N12) (2008)
Camshaft: Service and Repair
11 31 028 Removing and Installing/Replacing Exhaust Camshaft
11 31 028 Removing and installing/replacing exhaust camshaft (N12)
Special tools required:
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11 4 480
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11 9 000
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11 9 590
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11 9 650
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11 9 652
Important:
It is absolutely essential to follow an exact procedure for removing and installing the exhaust camshaft.
Modified procedure for timing adjustment.
All pistons are in the 90 ° position.
Risk of damage!
Necessary preliminary tasks:
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Remove cylinder head cover.
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Remove vacuum pump.
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Remove exhaust adjusting unit for exhaust camshaft.
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Release central bolt of inlet adjustment unit.
Important:
The screws of the bearing bridge must not be opened.
Releasing the bearing bridge will result in damage to the cylinder head.
Important:
Risk of damage to spark plug bores.
Check special tool 11 9 652 for damage.
Secure special tool 11 9 650 on cylinder head with screws 1 in spark plug holes.
Important:
Release bearing caps with special tool 11 9 650 only.