Automotive air conditioning system diagnostic repair kit
Auto fault is in the air conditioning, lift the hood and high tube can be seen.

1, (mini) infrared thermometer, muti _ function the wind meter etc special tools: high temperature in check before air pipe should be set to refrigeration and air to blow, straight, air circulate, A/C switch. According to the experience of the outlet temperature, about 5 degrees Celsius in value as normal.

2, ultrasonic leak diagnostic kit, fluorescence leak detection kit, manual pump toolbox, digital manifold pressure gauge: from the hood, electronic fan and confirmed in operation. The compressor, If not, then loosen hose protective cover for a sharp tool, gently press high-pressure exhaust ejector, look to whether have strong refrigerant overflow, if there is proved in the air conditioning system fault circuit. If no refrigerant strong spillover, please look through the air pipe fittings are oily be soiled, the proof is if there is air-conditioning system, the maintenance leak, probably waste time is likely to repair a place, and there will be other place leakage, this is inevitable. Please owners shall be fully to repair leaks. Finally remember will protect cover twist.

3, non-contact double-click light infrared thermometer: touch the high-pressure tube and low-pressure pipe, feeling them carefully. In the refrigeration system under the normal work of the normal temperature, pressure pipe in about 50-60 degrees Celsius, also can use hand tightly clenched is about 30 seconds to live longer, can't hold on. Low temperature around the tube between 5 to 6 degrees Celsius, namely by hand can feel ice hand.