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alantica alantica is offline
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Join Date: Jan 2009
Location: Eastern North Carolina
Posts: 101
Porsche Crest Sensor Replacement

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Hey! A new test case! I haven't done anything other than replace the sensors, so I have no actual words of wisdom other than what you already know from Clark's. Unless your brackets are corroded or really mucked up, why not just save the brackets for a later date?

Adjusting Sensor Clearance
  1. The speed and reference sensors do not normally need adjustment even after replacement. Adjustment is only required if the sensor mounting bracket is removed or the mounting bracket locking bolt is inadvertently loosened.
  2. Remove the speed sensor.
  3. Loosen the mounting bracket locking bolt (6 mm Allen head) and pivot bolt and then re-tighten finger tight.
  4. Glue the 0.8 mm thick washer to the bottom of the sensor.
    NOTE
    I have an clearance adjustment sensor. This is an old speed sensor with the electrical lead cut off to which I have washer permanently glued.

  5. Install the sensor with mounted washer and tighten.
  6. Move the bracket down until it stops again the ring gear on the flywheel.
  7. Tighten the mounting bracket locking bolt and pivot bolt.
  8. Remove the sensor with washer.
  9. If the sensor is to be reused, pry the washer off the sensor.
  10. Install sensor and torque retaining bolt to 8 Nm (6 ft-lb).
  11. Reconnect battery.
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Old 04-17-2009, 12:14 PM
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