A1 - Engine Repair http://www.aera.org http://www.automotiverebuilder.com/ http://auto.howstuffworks.com/engine.htm http://www.valvoline-technology.com/ http://www.gates.com/education http://www.narsa.org/ A2 - Automatic Transmission/Transaxle http://www.atraonline.com/ http://www.gearsmagazine.com/ http://www.transonline.com http://auto.howstuffworks.com/automatic-transmission.htm A3 - Manual Drive Train and Axles http://transbuilder.com/ http://www.howstuffworks.com/transmission.htm http://www.4lo.com/ http://www.powertransmission.com/ http://www.differentials.com/ A4 - Suspension and Steering http://www.brakeandfrontend.com/ http://www.monroe.com/ A5 - Brakes http://auto.howstuffworks.com/brake.htm http://auto.howstuffworks.com/anti-lock-brake.htm http://www.brakeandfrontend.com/ A6 - Electrical/Electronics http://us.fluke.com/usen/products/category.htm?category=MD_AUTO(FlukeProducts)&trck=autotools http://www.autoshop101.com/ A7 - Heating and Air Conditioning http://www.epa.gov/Ozone/index.html http://www.aircondition.com/ http://www.macsw.org/ A8 - Engine Performance http://www.troublecodes.net http://www.obdii.com/ http://www.lindertech.com/index.html http://www.borgwarnerbrand.com/ Fundamentals/General Automotive http://www.valvoline-technology.com/ http://www.hanford.gov/fire/safety/extingrs.htm http://www.howstuffworks.com/ http://www.ccar-greenlink.org/ http://www.iatn.net http://www.familycar.com/ http://library.thinkquest.org/19199/nojava/index.html http://www.carcare.org