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Home >> GMC >> 1998 >> Forward Control 4.3 W, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Controls - Remove/Install/Overhaul - 5.7L) >> Ignition System >> Knock Sensor (KS) >> Removal & Installation

Removal & Installation

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Knock sensor is located on side of engine block. See Fig 1. Disconnect negative battery cable. Disconnect wiring harness connector from knock sensor. Remove knock sensor. To install, reverse removal procedure. Install sealant to sensor threads prior to installation. Tighten knock sensor to 14 ft. lbs. (19 N.m).

Fig 1: Locating Knock Sensor
G95B35007Courtesy of GENERAL MOTORS CORP.