How to Unstick a Fitting

Muscling off a corroded hose fitting can be a pain, but how do you get... Read more...

Streetcar Revival Brings New Business to Red Dot
March 24, 2011
U.S. Transportation Secretary Ray LaHood was in Clackamas, Ore., yesterday visiting the factory of United Streetcar, the only manufacturer of streetcars in the United...
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EPA Approves 1234yf: What Do You Need to Know?
March 05, 2011
The U.S. Environmental Protection Agency issued final approval of R-1234yf as a refrigerant for air conditioners in new cars and light trucks this week. Developed by...
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Is Your Recycled Antifreeze at Full Strength?
February 24, 2011
More maintenance shops are using recycled antifreeze, and for good reason. It’s less expensive than virgin antifreeze, it saves a non-renewable resource (ethylene glycol is a...
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A/C Diagnostics: Don’t Take ’Won’t Blow Cold Air’ for an Answer
February 16, 2011
No one has time for vague failure descriptions. Literally. A work order that says, “A/C won’t blow cold air” is going to soak up a lot of hours in the service bay compared...
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What a Blown A/C Compressor Looks Like
February 16, 2011
This is what can happen when you charge the A/C system on on the suction side and liquid gets into it: you blow the top right off the compressor. It's usually a...
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How a Simple Inspection Can Boost HVAC Parts Sales, Customer Uptime
February 11, 2011
Heavy-duty A/C components rarely fail. In fact, the system fails the components because of contaminated refrigerant oil and general lack of preventive maintenance. As a...
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Ban the Box: File Warranty Claims Online
February 02, 2011
Some people want you to think outside the box. I want you to empty the box. I’m talking about the bin where failed parts are laid to rest until the “busy” season dies down...
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OEM Watch: Pierce Manufacturing
February 01, 2011
Big cabs, lots of glass, extended downtime, and firefighters in heavy gear make fire and rescue a demanding HVAC application and a good opportunity for service and parts...
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How Your Broken Part Helps Us Improve Product Quality
February 01, 2011
We’re the folks who process your warranty claims and send you a credit, but our role at Red Dot goes way beyond that. The warranty department is part of the product...
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How to Choose the Right A/C Fitting
February 01, 2011
Your Red Dot parts catalog has dozens of pages listing refrigerant hose fittings of different makes, sizes, and angles. To you, of course, the only one that matters is the...
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