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:

Radio Programming and Setup
Note: DO NOT program a control module unless directed to by a service procedure or a service bulletin. If the ECU is not properly configured with the correct calibration software, the ECU will not control all of the vehicle features properly. Ensure the programming tool is ...

Front Side Door Window Weatherstrip Replacement
Front Side Door Window Weatherstrip Replacement Callout Component Name Preliminary Procedures Remove front side door trim panel. Refer to Front Side Door Trim Replacement. Remove the outside rearview mirror. Refer to Outs ...

Warm Up Three-Way Catalytic Converter Removal
Disconnect the heated oxygen sensor wiring harness (3) from retainer clip. Remove the 2 catalytic converter to catalytic converter bracket nuts (4) and (6). Loosen the three way warm up catalytic converter V-clamp (1). Remove the three way warm up ...

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