MACS adds MOTOR Information Heavy Truck Specification Guide to inventory of training and reference materials

Heavy duty truck service and repair professionals can now access mobile A/C and engine cooling system data, brake data, engine tightening sequences and specifications,  fluid capacities and cooling system data, gasoline engine tune-up and diesel engine performance data, lubricant recommendations, original manufacturer scheduled maintenance, piston and rod assembly, powertrain diagnostic trouble codes, sensor specifications, serpentine drive belt routing, service reminder and warning lamp system reset procedures, valve timing marks, wheel alignment specifications, and  wheel lug nut tightening specifications through MOTOR Information System’s  Heavy Truck Specification Guide.


MACS members can purchase the Heavy Truck Specification Guide  at the MACS online store at  for  $76 including domestic shipping and non-members can purchase it for $90 including domestic shipping.

The Heavy Truck Specification Guide can also be purchased by calling the MACS office at 215/631-7020.

The Mobile Air Conditioning Society’s blog has been honored as the best business to business blog in the Automotive Aftermarket by the Automotive Communications Awards and the Car Care Council Women’s Board!

When having your mobile A/C system professionally serviced, insist on proper repair procedures and quality replacement parts. Insist on recovery and recycling so that refrigerant can be reused and not released into the atmosphere.

If you’re a service professional and not a MACS member yet, you should be, for more information.

You can E-mail us at . To locate a Mobile Air Conditioning Society member repair shop in your area. Click here  to find out more about your car’s mobile A/C and engine cooling system.

The 34th annual Mobile Air Conditioning Society (MACS) Worldwide Training Conference and Trade Show, Power Up  will take place January 16-18 2014 at the Sheraton New Orleans.


About macsworldwide

Mobile Air Conditioning Society (MACS) Worldwide Founded in 1981, MACS is the leading non-profit trade association for the mobile air conditioning, heating and engine cooling system segment of the automotive aftermarket. Since 1991, MACS has assisted more than 600,000 technicians to comply with the 1990 U.S. EPA Clean Air Act requirements for certification in refrigerant recovery and recycling to protect the environment. The Mobile Air Conditioning Society (MACS) Worldwide’s mission is clear and focused--as the recognized global authority on mobile air conditioning and heat transfer industry issues.
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