Category: Heating and Air

  • Using Duracool and other Hydrocarbon refrigerants

    Using Duracool and other Hydrocarbon refrigerants

    PLEASE NOTE: I AM NOT AN EXPERT ON AUTOMOTIVE REFRIGERANTS. THIS SUBJECT MATTER HAS NOT BEEN REVIEWED BY ANY EXPERTS AND IS PROVIDED FOR EDUCATIONAL PURPOSES ONLY AND MAY CONTAIN ERRORS. USE AT YOUR OWN RISK ! WARNING: HYDROCARBON BASED REFRIGERANTS SUCH AS: Duracool®-12A (TM) , RED-TEK12A (TM) , Enviro-Safe (TM) , Frosty Kool (TM)…

  • My First Time installing Air Conditioning

    My First Time installing Air Conditioning

    This article is about the first time I ever installed AC in my 1988 Mazda B2200 pickup truck. It was a base model and came without AC and I didn’t figure out how to install it until 2015. This was saved from an old blog I had years ago. The year was around 2015 so…

  • AC Clutch Bearing Repair

    AC Clutch Bearing Repair

    Written By Cusser – Slight edits by MazdaMitch My 1988 B2200 developed a bad AC clutch bearing. A shop would typically just replace the entire compressor, as shops would likely just pull the compressor if they had to replace an AC clutch, so its easier for them just to install and warranty an entire compressor…

  • Charging AC with Cans

    Charging AC with Cans

    Charging with Cans, Guess Again? Unlike the old days when an R12 system could be 1⁄2 pound on either side of full and still produce cold air, an R134a system is not as forgiving. The acceptable operating window for R134a cooling is about +/- 2 oz of full. This is why technicians should recover and…

  • AC Switch Repair

    AC Switch Repair

    How to test and repair your AC Dash Switch on your Mazda B2000 B2200 or 2600. Most of the time, it just needs a good cleaning. Part Number for Switch if you need to replace it is UB39-61-550 Using a multimeter, there should be continuity between the LY and LW wires (blue/yellow and blue/white) when…

  • Blower Motor Resistor Check and Repair

    Blower Motor Resistor Check and Repair

    Jump to Video Written By Cusser – Slight edits by MazdaMitch So your fan switch knob only makes the fan motor turn on at settings 3 or 4 huh? Or maybe the fan motor doesn’t come on at all. Lets dive in. Confirm that the blower motor itself is OK. I have a 1988 B2200…