[Groucho]

This looks pretty cool-- $25.00/year subscription.

Includes:

Factory Recall and Technical Service Bulletins (TSB)
This information addresses safety, reliability, performance and comfort related problems with your car. Also provides fixes for common problems and updated factory repair procedures

Illustrated Diagnosis and Repair Procedures

OEM Part Numbers

Diagnostic Charts and Trouble Codes

Component Locations and Diagrams

Factory Maintenance Schedules

And much more!

Seems very worthwhile to me. I'm on it.

http://www.alldata.com/products/diy/index.html

Dealer wanted $110 for the GM tech service manual. Pffft.

 

[Nokemout]

I am a mechanic and Alldata is very valuable and useful.