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诊断 & 扫描工具

You can get Tesla repair information

2021年11月10日,

Find out how to use Tesla software for aftermarket repair
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Troubleshooting the “what ifs” in a mobile A/C repair

2021年11月9日

High side:  Likely somewhere around 130 psi (at an idle) & 140 psi at 1500 rpm.  为什么? With only a 35% charge in the system, the compressor isn't going to be producing a lot of pressure.
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The concept of superheat

2021年10月19日

We illustrated the concept of superheat in last week's article by boiling water and superheating steam in a moonshine still. This week we will apply this concept to refrigerant in an air conditioning system.  The still has been replaced with an evaporator. 
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Understanding and troubleshooting data lines on heavy-duty trucks

September 23, 2021

Understanding and Troubleshooting data lines on heavy-duty trucks will be presented byLarry Turay of LETCO Enterprises. In Larry’s Saturday morning class, attendees will learn how components and subsystem inputs and outputs can influence HVAC operations. 
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Cooling fan circuit analytics

September 16, 2021

What is Peter Orlando’s class Cooling Fan Circuit Analytics about? It all began decades ago as a mechanical fan attached to the water pump with and without a fan clutch.  And now it has evolved into an efficient complex electrical motor control of cooling the modern internal combustion engine.
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Mind the compressor clutch gap

2021年8月31日

One of the first things I was taught in my A/C training was to always check the clutch air gap prior to installing a compressor. 
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Two clues to a condenser’s identity

2021年8月24日

There are two steps to determining what type of condenser is in a vehicle.
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What type of condenser is in that vehicle?

2021年8月17日

What type of condenser is in that vehicle? It's a frequent question in the mobile A/C industry.
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Mysterious servicing issue in R-1234yf systems

2021年8月11日,

Recently a 2017 R-1234yf Honda system, 与72年,099英里, encountering a loss of cooling (slow leak) over time would not pass the equipment charge procedure and the production amount could not be charged. 
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Field study: Incorrectly installed condensers

2021年8月10日,

I have handled numerous tech calls involving older GM trucks with incorrectly installed condensers.  In preparation for this series of MACS blogs, I discovered a salvage truck with one of these condenser repairs.  This gave me the opportunity to duplicate the incorrect installation and look for pitfalls and solutions.
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