So this one gets electrical again. If you compressor turns on and the low side pipe going into the firewall of the engine compartment is getting cold (around 30-40 degrees), and you are not getting the same temperature air...

So you will definitely need a set of pressure gauges to diagnose this symptom. Refrigerant is a gas that changes states through pressure which is also how it changes temperature. If at any part of the system, the pressure...

Now that we have the refrigerant at a known good level and the compressor is still not coming on, we will need to check power and ground to the system. If you have not verified freon levels, you need...

When the compressor doesn’t turn on at all, it can mean a couple different things. You are either too low on freon, you have a power/ground issue meaning the compressor isn’t receiving the signal to turn on, or the...

First off you need to understand a little bit on how an automotive air-conditioning system works. Click here to learn about all the components of your AC system. How your car's AC system works First open the hood of your...

Depending on where you live, your car may not be drivable if your air conditioning system isn't up to par. There are a lot of different components that work together to get that cold air blowing in your face....

Headlight Restoration That'll Get Your Headlights Looking Brand New Forever! The problem with foggy headlights Headlights that are covered in yellow oxidation are not only unattractive and make your car look old or dirty, but it is also a safety issue...

Car How To is a site we built to help technicians along with the DIY guys. We want this site to be a full resource for anyone that is looking for automotive knowledge. Whether it is a mechanic stuck...

Toyota Tundra oil maint required message reset procedure for model years 2005-2015 after oil change without using a scan tool.

Find the Lincoln MK Series oil light reset procedure after oil change to set oil life back to 100%.