11 36 042 Removing and installing/replacing inlet adjustment unit (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
11 9 550
11 9 551
11 9 552
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:

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.

Fig 1: Flywheel And Special Tool (11 9 590)

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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.

Fig 2: Inlet And Exhaust Camshaft Designations

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Position special tool 11 9 551 on exhaust camshaft and secure with special tool 11 9 552 .

Before fitting special tool, check locking on adjustment unit.

Position special tool 11 9 551 on inlet camshaft and secure with both screws.

Fig 3: Special Tool (11 9 522) And (11 9 551)

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Release chain tensioner (1) (have a cleaning cloth ready).

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

Fig 4: Chain Tensioner

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Release screw (1).

Fig 5: Screw

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Release screws (2).

Remove slide rail (1).

Fig 6: Clamping Rail And Screws

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IMPORTANT: Release and secure central bolts with special tool 11 9 550 only.

Release central bolt (3).

Remove VANOS adjustment unit (1) from timing chain (2).

VANOS adjustment unit of inlet camshaft is marked with the letters IN.

Fig 7: Central Bolt, VANOS Adjustment Unit And Timing Chain

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Install slide rail (1).

Insert screws (2).

For tightening torque refer to 11 31 2AZ in 11 31 CAMSHAFT .

Fig 8: Slide Rail And Screws

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Screw special tool 11 9 340 into cylinder head.

Pretension timing chain with special tool to 0.4 Nm.

Fig 9: Special Tool (11 9 340)

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Installation:

Installation position of adjustment unit can be freely selected.

Secure central bolt (1) with special tool 00 9 120 .

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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Fit Chain Tensioner .

Check Timing .

Assemble engine.