Contacting Us For Assistance
If you need assistance
with the Service Information (SI) application (including the Labor Time Guide),
contact the Techline Customer Support Center (TCSC):
United States
1-888-337-1010 prompt 3
1-248-265-9327 (Fax)
Or visit the Techline web site at http://techline.gm.com
For Labor Time Guide inquires
(e.g. locating the proper Labor Operation), contact the Dealer Business Center
at 1-888-414-6322.
Canada
1-800-828-6860 (English)
1-800-503-3222 (French)
International
001-248-265-2051 (English)
001-248-265-0439 (French)
001-248-265-0840 (Spanish)
001-248-265-9327 (Fax)
AC Delco
1-888-212-8959