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.
Customer Satisfaction
Procedure
Customer Assistance for Text
Telephone (TTY) UsersKnock Sensor Replacement - Bank 2 Engine Control Engine Control Sensors Knock Sensor
Knock Sensor Replacement - Bank 2CalloutComponent NamePreliminary ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.1Knock Sensor FastenerCaution:Refer toFastener Caution.Tighten25-Y (18-lb-ft)2Knock SensorProcedureDisconnect the electrical connector. ...