Cooper S (R56) L4-1.6L Turbo (N14) (2009)
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Variable Valve Timing Actuator: Service and Repair
11 36 042 Removing and installing/replacing inlet adjustment unit (N14)
Special tools required:
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00 9 120
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11 9 550
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11 9 551
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11 9 552
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11 9 590
Important:
Mount special tool 11 9 550 to open central bolts on adjustment units and camshafts.
The timing is not determined at firing TDC of cylinder no. 1.
Modified procedure for timing adjustment.
All pistons are in the 90 ° position.
Check locking of adjustment units.
Necessary preliminary tasks:
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Remove cylinder head cover.
Slide in special tool 11 9 590 in direction of arrow.
Rotate flywheel (1) at central bolt until firing TDC position at 1st cylinder is reached.
Important:
The TDC bore can be mixed up in automatic transmissions.
Important:
Check locking on VANOS adjustment unit.
Attempt to rotate inlet camshaft in direction of rotation at hexagon head.
The adjustment unit is locked in the initial position when the camshaft is non-positively connected to the adjustment unit.
If no fixed connection to the camshaft can be established, the adjustment unit is faulty and must be replaced.
Crank engine at central bolt in direction of rotation until designations (IN and EX) can be read from above.
Position special tool 11 9 551 on exhaust camshaft and secure with special tool 11 9 552.
