Remove/install balancing shaft

AR03.20-P-1000FG

Remove/install balancing shaft

1.10.04



Remove/install

1

Remove engine with transmission

AR01.10-P-2401FG

2

Remove slide rail from timing case cover

 When removing the slide rail, the TDC marking on the belt pulley (3) is adjusted to the guide edge at the timing case cover (arrow A). Do not turn the crankshaft any further.

AR05.10-P-8484FG

3

Press oil pump chain tensioner (2) onto stop and secure with a drift with a diameter of 3.5 mm over the bore hole (arrow B)

4

Remove oil pump

AR18.10-P-6020FG

5

Remove oil pump chain slide rail (5)

6

Remove oil pump chain (4)

 Do not turn crankshaft.

 Installation: When placing the oil pump chain (4), pay attention to the basic setting of the balance shaft with housing (1).

See: 

Set the basic position of the balance shaft

AR03.20-P-3638FG

7

Remove oil-water heat exchanger

 See: 

On vehicles with Code (LHD) Left-hand drive vehicle

AR18.30-P-6840FG

On vehicles with Code (RHD) Right-hand drive vehicle

AR18.30-P-6840FF

8

Unscrew bolts (6, 7) and remove balance shaft with housing (1)

 Installation: Clean sealing surfaces and replace all three sealing rings. Pay attention to the various lengths of the bolts (6, 7).



*BA03.20-P-1001-02F

9

Install in reverse order

Number

Designation

Engine 639.939
in model 454.0

BA03.20-P-1001-02F

Bolt connecting balance shaft to crankcase

Stage 1

Nm

58

Stage 2

°

90