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HOMESERVICE MANUALSCHEVROLET1997CHEVY EXPRESS G3500, VAN CARGO, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 22 (ENGINE CONTROLS - REMOVAL, INSTALLATION & OVERHAUL - 4.3L)IGNITION SYSTEMKNOCK SENSOR (KS)REMOVAL & INSTALLATION
1997 Chevrolet Chevy Express G3500, Van Cargo, 6.5 F

Removal & Installation

1997 Chevrolet Chevy Express G3500, Van Cargo, 6.5 FSECTION Removal & Installation
WARNING: This page is about a different variant/trim than selected.

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
G95A35006Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.