porsche Workshop Repair Guides

Porsche Workshop Service and Repair Manuals

Knock Sensor|Service and Repair|Page 368 > < Diagnosis of Ambient Air Temperature|Page 364
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Knock Sensor: Service and Repair

Removing And Installing Knock Sensor

Tools

Technical values

Preliminary work

1. Disconnect battery.
2. Remove pressure pipe.
3. Remove air cleaner housing.

Removing knock sensor

Removing knock sensor, cylinder bank 1-3

1. Lower the engine.

Lower the engine by max. 40 mm.
Support the engine with a jack and retainer plate P 9592.
Loosen and screw off M12 collar nuts on the engine mounting. Carefully lower the engine using the jack.

2. Remove fuel filter.
3. Remove secondary-air pump.
4. Remove oil-filter console.
5. Remove central intake-air distributor.
6. Remove left intake-air distributor.
7. Remove shut-off valve.

Knock Sensor|Service and Repair|Page 368 > < Diagnosis of Ambient Air Temperature|Page 364