Crankshaft Position Timing Ring: Service and Repair

2012 Audi A3 (8PA) L4-2.0L Turbo (CCTA)SECTION Service and Repair





Sensor Wheel

- Remove engine.

- Remove the transmission-side sealing flange. Refer to => [ Sealing Flange, Transmission Side ] Sealing Flange, Transmission Side.

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

- Remove the balance shaft timing chain. Refer to => [ Balance Shaft Timing Chain ] Balance Shaft Timing Chain.

- Remove the connecting rod bearing cover.

- Remove the crankshaft bearing cover.

- Remove the crankshaft and the sensor wheel.

- Always replace sensor wheel - 2 - whenever bolts are removed - 1 -.






After tightening a second time, the attachment point of the countersunk screws of the sensor wheel are so deformed that the screw heads lie on the crankshaft - 3 - - arrows - and the sensor wheel is loose underneath the screws.

Installation of sensor wheel is only possible in one position - the bores are offset.

Tightening specification, refer to => [ Crankshaft Overview ] Crankshaft Overview.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.