Passat Wagon L4-2.0L Turbo (BPY) (2008)
Balance Shaft: Service and Repair
Oil Pump with Balance Shaft Drive
=> [ Chain Tensioner, Pre-tensioning ]
Special tools, testers and auxiliary items required
‹› Connecting Pin (T10027)
‹› Silicone Sealant (D 176 404 A2)
Removing
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Remove the oil pan. Refer to => [ Oil Pan ] See: Engine Lubrication/Oil Pan/Service and Repair/Oil Pan.
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Remove the chain guard. Disengage the locking lugs through the openings - arrows - if necessary using a small screwdriver.
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Loosen the bolt for the oil pump chain sprocket. Counter hold at the vibration damper center bolt.
CAUTION!
The chain sprocket driving the balance shafts must not be loosened!
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Release tension on the chain tensioner using a screwdriver - arrow - and secure it using a 3 mm hex wrench - 1 -, across the flats.