Cylinder Head Assembly: Testing and Inspection

Engine with Dial Gauge (VAS 6079) at TDC, Positioning

Special tools, testers and auxiliary items required

• Dial Gauge 0-10 mm (VAS 6079)

• Dial Gauge Adapter (T10170) or Dial Gauge Adapter (T10170 A)

• Extending Piece (T10170A/1)

- Remove timing chain upper cover. Refer to => [ Upper Timing Chain Cover ] Upper Timing Chain Cover.

- Turn the crankshaft with the socket SW 24 on the vibration damper in the direction of the engine rotation until the markings - arrows - are on top.






- Remove the spark plug from cylinder 1.

- Install the (T10170/A) all the way into the spark plug thread.






- Insert the (VAS 6079) with the (T10170A/1) all the way and secure it with the locking nut - arrow -.

- Turn the crankshaft slowly to maximum dial reading in the direction of the engine rotation. When the maximum dial reading is reached (Bottom Dead Center (BDC) of the meter ) position the piston at Top Dead Center (TDC).

• Use a ratchet with a 24 mm socket to turn the vibration damper. Always turn vibration damper in direction of engine rotation to TDC. Do not turn the vibration damper backward to get to TDC!