11 31 028 Removing and installing/replacing exhaust camshaft (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:

11 9 000
11 9 551
11 9 552
11 9 661
11 9 662

IMPORTANT: It is absolutely essential to follow an exact procedure for removing and installing the exhaust camshaft.

Necessary preliminary tasks:

Remove cylinder head cover.
Check timing.
Remove Chain Tensioner .

To release central bolts, always use special tool 11 9 551 of exhaust camshaft.

Position special tool 11 9 551 on twin surface of exhaust camshaft.

Secure special tool 11 9 551 with a screw (1).

Fig 1: Special Tool (11 9 551) And Screw

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IMPORTANT: Check function of adjustment unit locking by rotating camshaft.

Mount special tool 11 9 551 on inlet and exhaust camshafts.

Screw in special tool 11 9 552 on cylinder head with a screw.

To release central bolts, always use special tool 11 9 551 .

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

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Release screws (2).

Remove clamping rail (1).

Fig 3: Clamping Rail And Screws

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Release screw (1).

For tightening torque refer to 11 11 3AZ in 11 11 ENGINE BLOCK .

Fig 4: Screw

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Release central bolt (3).

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

Feed out sprocket wheel (2) from timing chain (1) towards front.

Fig 5: Central Bolt, Sprocket Wheel And Timing Chain

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NOTE: Do not remove VANOS adjustment unit.

Release central bolt (3).

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

Fig 6: Central Bolt And Timing Chain

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IMPORTANT: Removed cylinder head:
When using special tool 11 9 000 , it will be necessary to remove the aluminium profile insert.

Screw special tool 11 9 661 with special tools 11 9 662 into spark plug holes.

Fig 7: Special Tools (11 9 661) And (11 9 662)

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Release all screws on bearing caps (1 and 2).

For tightening torque refer to 11 12 7AZ in 11 12 CYLINDER HEAD WITH COVER .

Bearing cap (1) is a thrust bearing and has the number (0).

All bearing caps (2) are identified with numbers from (1 to 4).

Fig 8: Camshaft Bearing Caps

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Exhaust camshaft is identified with designation (EX).

Insert exhaust camshaft so that designation (EX) can be read from above.

Fig 9: Inlet And Exhaust Camshaft Designations

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Position exhaust camshaft (1) so that cam of exhaust camshaft (1) points inward at an angle.

Installation:

Lubricate all bearing points with engine oil.

Fig 10: Exhaust Camshaft And Installation Position

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Assemble engine.

Installation:

Adjust Valve Timing .