Impala V8-5.3L VIN C (2006)
NOTE: Refer to Fastener Notice.
Tighten the bolt to 20 N.m (15 lb ft).
3. Connect the right knock sensor electrical connector (2), if required.
4. Position the left knock sensor to the engine block, if required.
5. Install the left knock sensor bolt, if required.
Tighten the bolt to 20 N.m (15 lb ft).