Balance Shaft Module With Oil Pump

Balance Shaft Module with Oil Pump

Special tools, testers and auxiliary items required

• Connecting Pin (T10027 A)

Removing

- Remove oil pan. Refer to => [ Oil Pan ] Oil Pan.

Only turn over the engine at the crankshaft in direction of engine rotation (clockwise).

• Turning over the engine is performed at the center bolt of the crankshaft.

- Bring camshaft gear to marking for TDC cylinder 1 by turning crankshaft. Marking on camshaft gear must align with arrow on toothed belt guard.






- Pull off chain guard. Disengage locking lugs through openings - arrows - if necessary using a small screwdriver.






- Loosen the bolt from oil pump chain sprocket. Counter-hold at the center bolt for vibration damper.






- Release tension on chain rail using a screwdriver - arrow - and secure it using an Allen wrench - 1 -, across flats 3 mm.






- Remove chain sprocket of oil pump and disengage chain on differential shaft drive.






- Remove the bolts - 1 and 2 - and the oil baffle.






- Remove bolts - arrows - from balance shaft assembly from outside to inside and remove it.






Installing

• For the correct tightening specifications, refer to => [ Balance Shaft Module with Oil Pump Overview ] Balance Shaft Module With Oil Pump Overview

• Chain tensioner tensioned, refer to => [ Chain Tensioner, Tensioning ] Service and Repair

- Replace all balance shaft assembly bolts.

- Replace balance shaft assembly bolt gasket => [ (Item 13) Bolt ] Balance Shaft Module With Oil Pump Overview.

- Place intermediate plate as shown on to alignment bushings of differential shaft gear - arrows -.






- Install balance shaft assembly with oil pump and intermediate plate. Tighten bolts - arrows - from inside toward outside.






• Observe the different lengths of bolts, refer to. => [ Bolt Allocation for Balance Shaft Housing ] Balance Shaft Module With Oil Pump Overview.

• Observe tightening sequence, refer to => [ Balance Shaft Housing Tightening Sequence ] Balance Shaft Module With Oil Pump Overview.

• Pay attention to alignment sleeves.

- Install oil baffle and insert pins in balance shaft module - arrows -.






• Turning over the engine is performed at the center bolt of the crankshaft.

- Bring the engine to TDC at cylinder 1 by turning the crankshaft in the direction of engine rotation at the crankshaft toothed belt sprocket center bolt. The markings on the camshaft sprocket and the crankshaft must be positioned at cylinder 1 TDC - arrows -.






- Set marking on chain sprocket of differential shaft - arrow - opposite alignment bore. Secure chain sprocket in this position using the (T10027 A). Place chain on to differential shaft chain sprocket.






- Install oil pump chain sprocket with a new bolt and tighten bolt by hand.

• Oil pump chain sprocket fits only in one position. To install, only the oil pump must be turned.

- Remove the (T10027 A) and Allen wrench - 1 -. Secure chain sprocket of oil pump. Counter-hold at the center bolt for vibration damper.






Assemble in reverse order of disassembly.

- Install oil pan. Refer to => [ Oil Pan ] Oil Pan.