Pressure testing is used to check for leaks in the cooling system and to test the radiator cap.
According to MACS member Spectra Premium Industries, a North American manufacturer of many aftermarket A/C and engine cooling system parts, testing for electrolysis is a simple task. Use a digital volt ohms meter (DVOM). Set your meter to DC volts. With the engine off, hook the negative lead from the meter to the negative post of the battery.
A vehicle has many electrical circuits. For an electrical component to function properly, the electricity must return to the source through the ground side of the circuit. Ground paths are usually metal conductors such as wires or the vehicle frame, engine or body.
One way to check for proper coolant circulation is to check the upper and lower radiator hoses. The upper radiator hose should be hot, around 190–200 °F. (The safest and…
With all the long-life coolants, and even the three-year/50,000 mile conventional coolants, it’s fair to ask: why do we see so many cases of coolants failing at low mileage.
One important point about antifreeze: there are now many different formulations available for use in different vehicles, and even in specific applications. It’s not just “the green stuff” any more, there’s red, orange, yellow, blue, etc.
As the weather turns cooler and windshields become fogged up or frosty, you’ll want to activate the defrost button.
Did you know today, Tuesday, September 14, 2010 is the 40th anniversary of the United States Clean Air Act? Section 608 and Section 609 which regulate stationary and mobile…
If you would like to download our glove box guide to Your Car’s Air Conditioning System click here for a downloadable pdf that you can print out and keep with your car’s owner’s manual. This glove box guide has tips for keeping you cool, helping the environment and for optimum A/C system performance.
Is this blog obsessed with cabin air filters?
No, we just want to show you what used mobile A/C and engine cooling parts look like.
If your car’s A/C system is not cooling you off in a reasonable time frame to make you happy, take it to your service professional for an A/C check-up. Here’s what he or she will look at:
