Chevrolet encourages customers to call the toll-free number for assistance. However, if a customer wishes to write or e-mail Chevrolet, the letter should be addressed to:
United States and Puerto Rico
Chevrolet Motor Division
Chevrolet Customer Assistance
Center
P.O. Box 33170
Detroit, MI 48232-5170
1-800-222-1020
1-800-833-2438 (For Text
Telephone Devices (TTYs))
Roadside Assistance:
1-800-243-8872
From U.S. Virgin Islands: 1-800-496-9994
Canada
General Motors of Canada
Company
Customer Care Centre, Mail Code:
CA1-163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
1-800-263-3777 (English)
1-800-263-7854 (French)
1-800-263-3830 (For Text Telephone devices (TTYs))
Roadside Assistance:
1-800-268-6800
Overseas
Please contact the local General Motors Business Unit.
Knock Sensor Replacement Engine Control Engine Control Sensors Knock Sensor
Knock Sensor ReplacementCalloutComponent NamePreliminary ProcedureRemove the starter. Refer toStarter Replacement1Knock Sensor FastenerCaution:Refer toFastener Caution.Tighten25-Y (18-lb-ft)2Knock SensorProcedureDisconnect the electrical connector. ...