GM Service Know-How

The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM certified repairs. The latest service topics from GM Brand Quality and Engineering covered in the August seminar include an update on the 8L90 Seal Kit and a look at a 2019 Silverado 1500 and Sierra 1500 L3B wire chafing concern (Fig. 24).


Fig. 24


10219.08V – Emerging Issues (U.S.)

To view the Emerging Issues seminar:

  • Log in to
  • Select Catalog.
  • Enter Emerging Issues or the course number in the Search box.
  • Select the desired Emerging Issues seminar course title.
  • Click “Take or Continue Course.”


TAC Talk (Canada)

To view a TAC Talk seminar covering the latest service topics in Canada:

  • From GM GlobalConnect, select Centre of Learning.
  • Under the Resources tab, select Video on Demand.
  • Scroll down to Channels.
  • Click arrow to expand the selection for GM Pro – Centre of Learning.
  • Expand the selection for TAC Talk.
  • Select the Year, Month, and desired broadcast.
  • Click the Launch button.



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