Porsche Workshop Service and Repair Manuals

Setting Engine Speed Sensor Clearance (Tiptronic Vehicles)

3.

Using a depth micrometer, measure distance from surface of spacer to flywheel tooth. Record reading.

4.

Measure sensor length from mounting lip to end of sensor. Record reading.

5.

Subtract sensor length from bore depth.

6.

Install or remove spacers to achieve a difference of 0.8mm.

Example:

Bore depth ...............................................................................................................................................................................................  24.7mm
Sensor length .........................................................................................................................................................................................  - 24.0mm

Difference ..................................................................................................................................................................................................  0.7mm

Add 0.1mm spacer to achieve a clearance of 0.8mm.

7.

Reinstall sensor.