Special tools required:

• 11 0 342
• 11 0 345
• 11 1 045
• 11 1 065
• 11 1 441
• 11 3 030
• 11 3 250

(cylinder head removed)

Preliminary tasks are described in Disassembling and assembling cylinder head. 11 12 100 REMOVING AND INSTALLING/REPLACING CYLINDER HEAD (M52TU / M54 / M56) .

Brace bucket tappets with special tool 11 3 250.

Lift out bearing strip with bucket tappet.

Installation: 

Only re-use used bucket tappets in the same tappet bore.

Fig 1: Lifting Out Bearing Strip With Bucket Tappet

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Arrange bucket tappets by cylinder and place on special tool 11 3 030 in correct order.

Fig 2: Arranging Bucket Tappets By Cylinder & Placing On Special Tool 11 3 030 In Correct Order

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Insert special tool 11 1 441 from below in special tool 11 1 065 and secure with special tool 11 1 045.

Fig 3: Inserting Special Tool 11 1 441 From Below In Special Tool 11 1 065 & Secure With Special Tool 11 1 045

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Align special tool 11 0 345 in direction of valve shaft and select appropriate groove in special tool 11 0 342.

Fig 4: Aligning Special Tool 11 0 345 In Direction Of Valve Shaft

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Press down valve spring on spring cap, top, and remove valve keys.

Remove valve spring and plate spring.

Fig 5: Removing Valve Spring & Plate Spring

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Arrangement:

1. Valve
2. Valve-stem seal
3. Lower plate spring
4. Valve spring
5. Top plate spring
6. Valve tapers
   Fig 6: Identifying Components Of Valve

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