11 27 110 Removing and refitting/replacing balancer shafts (N20)

Special tools required: 

• 2 219 548 .
• 2 212 825 .
• 2 318 117 .
• 11 4 120 .
• 11 4 420 .
• 11 8 580 .

Necessary preliminary tasks: 

• Remove oil sump. See OIL SUMP (RWD) or OIL SUMP (AWD) .

Installation note: 

Wet special tool 2 219 548 with oil to simplify dismantling and installation.

Secure crankshaft with special tool 2 219 548 via the dowel hole.

Fig 1: Identifying Special Tool (2 219 548)

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Loosen sealing cap using a screwdriver.

Fig 2: Loosening Sealing Cap Using Screwdriver

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Installation note: 

Position counterbalance shaft with special tool 2 212 825 .

Secure special tool 2 212 825 on oil pump housing with screw (1).

If special tool 2 212 825 cannot be positioned, the TIMING must be readjusted.

Fig 3: Securing Special Tool 2 212 825 To Oil Pump With Screw

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Attach special tool 2 318 117 to crankcase with screws (3).

Press back chain tensioner and fix with special tool 11 4 120 .

Installation note: 

There are various central bolts of the oil pump/camshaft sprocket.

1. Loosen Torx socket with T50 using special tool 11 4 420 .
2. Torx socket with T60 can be released using special tool 11 8 580 .

Release oil pump central bolt (2).

Tightening torque 11 41 5AZ .

Fig 4: Releasing Oil Pump Central Bolt

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Unfasten screws (2).

Release screws (1).

Tightening torque: 11 41 3AZ .

Remove gear and chain module (2).

Fig 5: Identifying Gear And Chain Module And Screws

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Release screws (1).

Tightening torque 11 41 6AZ/2AZ .

Release screws, remove oil pump with counterbalance shaft.

Tightening torque 11 41 2AZ .

Installation note: 

Check spacer bushes for secure seating and damage; replace if necessary.

Fig 6: Identifying Screws

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Assemble engine.