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AC-system's-pressure

On some GM applications the high side service port is located past the condenser and before the orifice tube on the liquid [...]

Car Summer Tips AC Cooling
Summer time Car Tips To Avoid The Auto Blues

Car giving you the summer time blues? From AC vs. rolling the windows down to keeping your pet safe, here are answers to your summer driving questions.

Like most people, chances [...]

The GM HT6 is one of the most popular compressors replaced today. Mac’s offers two Sanden options for the two most popular HT6 compressors.

The first is the 6511339 HT6 O.E. style compressor for the GM 5.7 V8, Mac’s offers [...]

Oil is an important part of the A/C system. Refrigerant charged oil circulates through the system while keeping 60-70% of the oil in the compressor at all times. This provides adequate lubrication to reduce friction (heat) and wear (metal particles [...]

Safety First

Always Use Eye Protection! 

  1. A/C system refrigerant must be completely recovered using approved equipment in accordance with local, state, and federal laws.
  2. Disconnect all hoses from components to be flushed. Remove the orifice [...]
Car Care Tip Condenser flushing diagram

The parallel flow condenser is by far the most efficient condenser to use with R134a refrigerant. The multi-channel construction and multiple passes the refrigerant makes through the condenser allows maximum heat transfer. The smaller tubes and wide surface area allows [...]

Do you dread driving your car during winter?

You are not alone my friend.

Freezing temperatures reduce visibility, impede friction on the road and lower your vehicle’s performance. It is a terrible period for every driver. However, if you have [...]

Signs Your Car Needs Repair Blog Post Banner

Signs Your Car Needs Repair Blog Post BannerYour driving your vehicle.

Minding your own business.

But then you hear a weird sound, your lights [...]

Car Problem Oil Leaks

Finding fluid leaking from your car can be alarming. Some leaks are normal, but most are not. Having the leaks repaired promptly can prevent costly damage to your car’s engine and transmission.

oil-leak-car-problem

Car Trouble From Cold Weather

In many parts of the country the winter weather is not only chilly, but also harmful to your car. From the wheels to the windshield, Mac’s Automotive Service & Radiator Repair has the low down on ways the cold affects [...]

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