11 31 051 Replacing timing chain (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 9 280
11 9 550
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.

Necessary preliminary tasks:

Remove Cylinder Head Cover .
Remove all spark plugs.
Remove Vibration Damper .
Remove Chain Tensioner .
Remove VANOS Adjustment Unit .
Remove sprocket wheel for exhaust camshaft.
Remove PTFE Ring at front.
Remove Belt Tensioner .

Position crankshaft with special tool 11 9 590 .

Do not remove special tool 11 9 590 during repair work.

Fig 1: Special Tool (11 9 590)

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Do not remove special tool 11 9 550 .

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

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IMPORTANT: Employ a second person for gripping when releasing central bolt (1).

Fit special tool 11 9 280 on hub for vibration damper with screws (2).

Release central bolt (1).

Fig 3: Screws, Central Bolt And Special Tool (11 9 280)

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Release central bolt in direction of arrow.

For tightening torque refer to 11 21 1AZ in 11 21 CRANKSHAFT AND BEARINGS .

Fig 4: Special Tool (11 9 280) And Removal Direction

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Release bearing pins (1 and 2).

For tightening torque refer to 11 31 6AZ in 11 31 CAMSHAFT

Fig 5: Bearing Pins

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Remove hub (3) towards front.

Remove chain module with timing chain.

Using a hook (2), pull oil pump chain (1) upwards.

Fig 6: Hook, Oil Pump Chain, Hub And Removal Direction

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Sprocket wheel (1) of timing chain.

Sprocket wheel (2) of oil pump.

Fig 7: Timing Chain Sprocket Wheel And Oil Pump Sprocket Wheel

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Secure chain module (1) with rubber (3) to facilitate assembly.

Pull timing chain (2) upwards until sprocket wheel (4) rests against chain guide (1).

Install timing chain (2) and sprocket wheel (4) in this position.

Installation:

Always keep timing chain (2) tensioned; it is possible for timing chain (2) to jam on chain module (1).

Fig 8: Chain Module, Rubber, Timing Chain And Sprocket Wheel

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Installation position of both sprocket wheels.

Sprocket wheel (1) of oil pump.

Guide rail (2) of timing chain.

Hub (3) on crankshaft.

Sprocket wheel (4) of timing chain.

Fig 9: Sprocket Wheels, Guide Rail And Hub

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Attach oil pump sprocket wheel (2) in direction of arrow to crankshaft (1).

Insert chain module with timing chain and secure.

Attach crankshaft hub.

Screw in central bolt.

Fig 10: Oil Pump Sprocket Wheel, Central Bolt And Crankshaft

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Remove special tool 11 9 280 from hub.

Secure central bolt with special tool 00 9 120 .

Fig 11: Special Tool (11 9 280) And (00 9 120)

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Install VANOS Adjustment Unit .

Install sprocket wheel for exhaust camshaft.

Crank engine twice.

Check Timing .

Install PTFE Ring .

Assemble engine.