Knock Sensor (KS): Installation

Apply water base caulk to sensor threads. DO NOT use silicone tape to seal threads. Silicone tape will insulate sensor from cylinder block. Tighten KS to 14 ft. lbs. (19 N.m). To complete installation, reverse removal procedure.

Fig 1: Locating Knock Sensor - 4.3L

Courtesy of GENERAL MOTORS CORP.

Fig 2: Locating Knock Sensor - Except 4.3L

Courtesy of GENERAL MOTORS CORP.