Knock sensors, checking: Notes

Special tools and workshop equipment required

Fig 1: Identifying Special Tools

Courtesy of AUDI OF AMERICA, INC.

Component location. See item 16 in COMPONENT LOCATIONS, OVERVIEW .

NOTE:

The knock sensors -G61- and -G66- cannot be tested electrically by themselves.
Use only gold-plated terminals when repairing the cable connectors for the knock sensors.
To ensure that the knock sensors function properly it is important to keep exactly to the specified tightening torque of 20 Nm.
Check connector between knock sensor and wiring harness for corrosion.