11 31 505 Adjusting camshaft timing (N14)

WARNING: This page is about a different car, the 2008 MINI Cooper and 2007 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

00 9 120
00 9 250
11 9 340
11 9 551
11 9 590

IMPORTANT: Modified procedure for timing adjustment.

The timing is not determined at firing TDC of cylinder no. 1.

All pistons are in the 90° position.

Check locking of adjustment units.

To open the central bolt at the camshaft, grip hexagon on rear of camshaft.

Risk of damage!

Necessary preliminary tasks:

Remove Cylinder Head Cover.

IMPORTANT: Danger of mixing up special tool bore.

Balance hole and special tool bore can be mixed up; all pistons must be in the 90° position.

If necessary, determine by means of spark plug bore.

Rotate crankshaft at central bolt.

Slide in special tool 11 9 590 in direction of arrow and block crankshaft.

Fig 1: Special Tool (11 9 590)

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IMPORTANT: Risk of damage! to chain drive.
To open central bolt, mount special tool 11 9 551 on camshaft.

If the setting gauges cannot be positioned, grip the camshaft with an open-end wrench to release the central bolt.

Fig 2: Special Tool (11 9 522) And (11 9 551)

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Release chain tensioner (have a cleaning cloth ready).

For tightening torque refer to 11 31 4AZ in 11 31 CAMSHAFT .

Fig 3: Chain Tensioner

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To open central bolts (3), mount special tool 11 9 551 on camshafts.

Release central bolts (3).

For tightening torque refer to 11 36 2AZ in 11 36 VARIABLE CAMSHAFT CONTROL .

Fig 4: Central Bolt, Sprocket Wheel And Timing Chain

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To open central bolts (3), mount special tool 11 9 551 on camshafts.

Release central bolts (3).

For tightening torque refer to 11 36 1AZ in 11 36 VARIABLE CAMSHAFT CONTROL .

Fig 5: Central Bolt And Timing Chain

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The designations for the inlet camshaft (IN) and exhaust camshaft (EX) point upwards.

Both camshafts (inlet and exhaust) have three machined surfaces to enable special tool 11 9 551 to be mounted.

The fourth surface is not machined and is crescent-shaped - it must point downwards.

NOTE: Picture shows N12

Fig 6: Inlet And Exhaust Camshaft Designations

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Position of exhaust camshaft (1) points at an angle to the right in a lower inward direction.

NOTE: Picture shows sprocket wheel removed.

Fig 7: Exhaust Camshaft And Timing Position

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Position of inlet camshaft (1) points at an angle to the left in an upper inward direction.

NOTE: Picture shows VANOS adjustment unit removed.

Fig 8: Inlet Camshaft And Timing Position

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Screw special tool 11 9 340 into cylinder head.

Pretension timing chain with special tool 00 9 250 to 0.6 Nm.

Fig 9: Chain Module, Rubber, Timing Chain And Sprocket Wheel

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Secure central bolt (1) with special tool 00 9 120 or an electronic torque wrench.

For tightening torque refer to 11 36 1AZ in 11 36 VARIABLE CAMSHAFT CONTROL .

Fig 10: Central Bolt And Special Tool (00 9 120)

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Secure central bolt (1) with special tool 00 9 120 or an electronic torque wrench.

For tightening torque refer to 11 36 2AZ in 11 36 VARIABLE CAMSHAFT CONTROL .

Fig 11: Central Bolt And Special Tool (00 9 120)

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Remove all special tools.

Assemble engine.