Vibration Damper, Removing And Installing

Special tools and workshop equipment required 

• Counterhold - Vibration Damper: T10355 
• Locking Pin: T10060A 
• Assembly Tool: T10531 

Individual components of the Assembly Tool: T10531  :

• Counterhold Tool: T10531/1 
• Tensioning Pins: T10531/2 
• Turning Over Tool: T10531/3 
• Collar Nut: T10531/4 

The vibration damper bolt -A- connects the vibration damper -1- timing chain connection -2- and the crankshaft -3-. Secure the chain sprocket as described as follows to the crankshaft, before removing the vibration damper.

Fig 1: Locating Vibration Damper Bolt

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Remove Vibration Damper 

Fig 2: Identifying TDC

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-- Remove the right wheel housing liner front section. Refer to FRONT WHEEL HOUSING LINER, REMOVING AND INSTALLING .

-- Remove the ribbed belt. Refer to RIBBED BELT, REMOVING AND INSTALLING .

-- Remove the : T10060A  from the ribbed belt tensioner.

-- Turn the vibration damper with the : T10355  to the Top Dead Center (TDC) point -arrow-.

• The notch on the vibration damper must line up with the arrow marking on the timing chain lower cover.
• The marking for the cover is located in the >>four-o'clock position<<.

-- Loosen the vibration damper bolt approximately ¹ /₂ turn, to do this use the : T10355  .

Fig 3: Identifying Vibration Damper Counterhold

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-- If the vibration damper was turned, correct to TDC.

-- Remove the bolts -arrows- for the timing chain cover. The bolts must be replaced.

Fig 4: Locating Timing Chain Cover Bolts

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-- Place the : T10531/1  as shown on the vibration damper and tighten hand-tight using the knurled bolt -arrows-.

Fig 5: Identifying Assembly Tool Mount

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-- Remove the vibration damper bolt completely.

-- Check if the : T10531/3  -A- can be easily pushed over the clamping piece -B-. If necessary turn the adjusting bolt -arrow-.

Fig 6: Checking Assembly Tool

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-- Install the : T10531/2  in the crankshaft and with a 12 mm open end wrench -A- tighten hand-tight.

Fig 7: Identifying Tensioning Pins

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-- Tighten the adjusting bolt -A- hand-tight, to secure the chain sprocket to the crankshaft.

Fig 8: Locating Tensioning Bolt

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-- Remove the knurled bolt -arrows-. Remove the : T10531/1  and vibration damper -A-.

Fig 9: Identifying Assembly Tool Mount

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If Crankshaft is Turned without Vibration Damper

Fig 10: Identifying Collar Nut

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-- Place the : T10531/3  -A- on the tensioning pins and while doing so pay attention to the chain sprocket tooth contour. The flat side of the top of the tool sits in TDC.

-- Tighten the : T10531/3  with the : T10531/4  -B-.

-- The crankshaft can now be turned on the hex fitting -arrow-.

Fig 11: Identifying Hex Fitting

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Install Vibration Damper 

Fig 12: Identifying Collar Nut

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-- If necessary remove the : T10531/4  -B- and the : T10531/3  -A- from the tensioning pins.

-- Secure the vibration damper in TDC, while doing this pay attention to the tooth contour of the chain sprocket -arrow-.

Fig 13: Identifying TDC

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-- Place the : T10531/3  -A- on the tensioning pins the at the same time the hex fitting points to the vibration damper.

Fig 14: Identifying Turning Over Tool And Collar Nut

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-- Install the : T10531/4  -B-, while doing this move the vibration damper slightly back and forth, to check in the vibration damper is correctly in the tooth contour. Tighten the collar nut, until the vibration damper can no longer be turned.

-- Place the : T10531/1  as shown on the vibration damper and tighten hand-tight using the knurled bolt -arrows-.

Fig 15: Identifying Assembly Tool Mount

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-- Remove the : T10531/4  -A- and loosen the tensioning bolt -B-.

Fig 16: Identifying Collar Nut And Tensioning Bolt

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-- Remove the : T10531/2  and remove with : T10531/3  .

-- Install a new vibration damper bolt with oiled O-ring -1- hand-tight.

Fig 17: Identifying Vibration Damper Bolt And O-Ring

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-- Remove the knurled bolt -arrows- and remove the : T10531/1  .

Fig 18: Identifying Assembly Tool Mount

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-- Tighten vibration damper bolt using the : T10355  .

Fig 19: Identifying Vibration Damper Counterhold

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-- Install new bolts -arrows-.

Assemble in reverse order of disassembly.

Fig 20: Locating Timing Chain Cover Bolts

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Tightening Specifications 

• Refer to OVERVIEW - CYLINDER BLOCK, BELT PULLEY SIDE .