11 36 047 Removing and Installing/Replacing Inlet and Exhaust Adjustment Units On Left Side (N63)

Special Tools Required: 

• 00 9 120 .
• 00 9 250
• 11 8 570 .
• 11 9 190 .
• 11 9 890 .
• 11 9 891 .
• 11 9 892 .
• 11 9 893 .
• 11 9 894 .
• 11 9 900 .

(Cylinder Bank 5 To 8) 

Necessary Preliminary Tasks: 

• Read Fault Memory and Make A Documentary Record 
• Remove LEFT CYLINDER HEAD COVER .
• Remove LEFT TIMING CASE COVER .
• Check TIMING .

To Release Central Bolts, Use Special Tool 11 9 890 or Grip At Hexagon Head of Camshaft.

Fig 1: Identifying Special Tool (11 9 890)

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Release Central Bolts (1 and 2) of Intake and Exhaust Camshaft Adjusters.

Installation Note: 

Replace Central Bolts After Releasing.

Fig 2: Installing Pre-Tension Belt Tensioner

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Installation Note: 

Coat Contact Face of Central Bolt (1) with Copper Paste.

Fig 3: Checking Central Bolt Head To See If Required Grease Is Present

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Release Hexagon Socket Screw.

Release Special Tool 11 9 900 At Knurled Screws and Remove.

Fig 4: Mounting Special Tool 11 9 900 At Position of Chain Tensioner and Pre-Loading Hex Socket Screw To 0.6 Nm Using Special Tool 00 9 250

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Release Screws (1).

Remove Upper Tensioning Rail (2).

Fig 5: Identifying Upper Tensioning Rail and Screws

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Remove Central Bolt (2) of Inlet Adjustment Unit.

Installation Note: 

Replace Central Bolts After Releasing.

Fig 6: Installing Pre-Tension Belt Tensioner

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Detach Inlet Adjustment Unit (1) In Direction of Arrow From Inlet Camshaft.

Fig 7: Detaching Inlet Adjustment Unit

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Feed Out Inlet Adjustment Unit (2) From Timing Chain (1).

Lift Out Inlet Adjustment Unit (2).

Fig 8: Identifying Inlet Camshaft Adjustment Unit and Timing Chain

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Remove Central Bolt (1) of Exhaust Adjustment Unit.

Installation Note: 

Replace Central Bolts After Releasing.

Fig 9: Installing Pre-Tension Belt Tensioner

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Detach Exhaust Adjustment Unit (1) In Direction of Arrow From Exhaust Camshaft.

Fig 10: Detaching Exhaust Camshaft Adjustment Unit

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Feed Out Exhaust Adjustment Unit (2) From Timing Chain (1).

Lift Out Exhaust Adjustment Unit (2).

Fig 11: Identifying Exhaust Camshaft Adjustment Unit and Timing Chain

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Intake and Exhaust Camshaft Adjusters Are Different.

Mixing Up The Inlet and Exhaust Adjustment Units Will Cause Damage To The Engine.

1. Intake Camshaft Adjuster (1) Is Marked "EIN" 
2. Exhaust Camshaft Adjuster (2) Is Marked "AUS" 
   Fig 12: Identifying Markings On Intake and Exhaust Camshaft Adjusters

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Installation Note: 

Coat Contact Face of Central Bolt (1) with Copper Paste.

Fig 13: Checking Central Bolt Head To See If Required Grease Is Present

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Feed Adjuster Into Timing Chain and Position On Camshafts.

Insert Central Bolts (1 and 2) On Adjustment Units Without Gaps.

Release Central Bolts (1 and 2) By 90°. 

Fig 14: Installing Pre-Tension Belt Tensioner

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Fit Sliding Rail (2) and Secure with Screws (1).

Tightening torque: 11 31 4AZ .

Fig 15: Identifying Sliding Rail and Screws

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Get Set of Special Tools 11 9 890 Ready for Securing Camshafts.

Fig 16: Identifying Set of Special Tools 11 9 890

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Place Special Tool 11 9 893 On Exhaust Camshaft.

Fig 17: Placing Special Tool 11 9 893 On Exhaust Camshaft and Checking Timing Adjustment

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Fit Special Tool 11 9 893 On Intake Camshaft.

Fig 18: Fitting Special Tool 11 9 893 On Intake Camshaft and Checking Timing Adjustment

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Installation Note: 

Align Exhaust and Intake Camshafts So That Special Tools 11 9 893 Lie On The Cylinder Head Without Any Gap.

Screw Special Tool 11 9 894 Into Cylinder Head.

Fig 19: Positioning/Installing Special Tools On Cylinder Head

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Press Special Tool 11 9 892 Down with Special Tool 11 9 891 .

Fig 20: Positioning Special Tool 11 9 892 On Special Tool 11 9 893 and Securing with Special Tool 11 9 891

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Screw In Special Tool 11 9 900 .

Pretension Timing Chain with Special Tool 11 9 900 .

Preload Hexagon Socket Screw with Special Tool 00 9 250 To 0.6 Nm  .

Fig 21: Mounting Special Tool 11 9 900 At Position of Chain Tensioner and Pre-Loading Hex Socket Screw To 0.6 Nm Using Special Tool 00 9 250

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Check Special Tools 11 9 190 for Correct Seating.

Fig 22: Securing Vibration Damper Using Special Tool 11 9 190

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Tighten Down Central Screw (1 and 2) of The Adjustment Units with Special Tool 00 9 120 .

Tightening torque 11 36 1AZ .

Fig 23: Identifying Central Bolts of Intake and Exhaust Camshaft Adjusters

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Remove Special Tools 11 9 190 and 11 8 570 .

Crank Engine At Central Bolt Twice In Direction of Rotation Until Engine Is In The 150° Firing TDC Position Cylinder 1  Again.

Mount Special Tool 11 8 570 On Vibration Damper with A Bolt.

Secure Special Tool 11 9 190 In 150° Firing TDC Position Cylinder 1  .

Fig 24: Securing Vibration Damper Using Special Tool 11 9 190

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Check TIMING .

Remove All Special Tools.