Chevrolet Sonic Repair Manual: Knock Sensor Replacement

Chevrolet Sonic Repair Manual / Powertrain / Internal Combustion Powertrain Control / Engine Control / Engine Control Sensors / Knock Sensor Replacement

Knock Sensor Replacement
Callout	Component Name
Preliminary Procedures Disconnect battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle
1	Knock Sensor Bolt Caution: Refer to Fastener Caution. Procedure Disconnect the electrical connector. DO NOT mistake the knock sensor electrical connector with the generator electrical connector. Tighten 25 Y (18 lb ft)
2	Knock Sensor

Evaporator Air Temperature Sensor Replacement (LHD)

Evaporator Air Temperature Sensor Replacement Callout Component Name 1 Evaporator Air Refrigerant Temperature Sensor ...

Knock Sensor System Description

Circuit/System Description The knock sensor system enables the engine control module (ECM) to control the ignition timing for the best possible performance while protecting the engine ...

Other materials:

Service Publications Ordering Information
Service Manuals Service Manuals have the diagnosis and repair information on the engines, transmission, axle, suspension, brakes, electrical, steering, body, etc. Service Bulletins Service Bulletins give additional technical service information needed to knowledgeably service General Motors c ...

Liftgate Side Applique Replacement (Hatchback)
Liftgate Side Applique Replacement Callout Component Name Preliminary Procedure Open and support the rear liftgate assembly. Remove the liftgate trim finish panel. Refer to Liftgate Trim Finish Panel Replacement. Disc ...

Headlining Trim Panel Replacement (Hatchback without Sunroof)
Headlining Trim Panel Replacement Callout Component Name Warning: Do not attempt to repair or alter the head impact energy-absorbing material glued to the headliner or to the garnish trims. If the material is damaged ...

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