Car A/C problems are one of the most misdiagnosed issues when it comes to automobile repairs. The number one problem that auto technicians have to troubleshoot and find, is "why the Ac is Not blowing cold." When the car's air conditioner has this problem, it can be caused by one of many things. The most coarse cause of the air conditioning blowing warm air is a refrigerant leak. No matter if the Ac law uses R12, R134A or any other refrigerant; the law of performance is the same. They all need a full fee of refrigerant to work properly. Refrigerant can leak from any of the components in the system. A car's Ac components are placed in different areas in the car - not all together in an in effect replaceable unit like a house Ac "window unit." It is considerable that the failed part is placed and substituted to insure a long lasting repair.
Look for certain Signs of Leaks
The first thing that whatever can do, mechanic or not is look for an certain sign of a refrigerant leak. Most systems will have Uv dye in the law which is neon yellowish green. It can be seen easier with a black light, but it can still be visible to the naked eye also. If there is no dye in the system, the leak may trickle out clear oil. recognize all of the components beginning at the service ports. Look at the service fittings for leaks and all of the hoses. Effect the lines each direction paying particularly close attentiveness to the metal ferrules that associate the rubber hoses to the metal lines. Check for any lines that may have made palpate with other components under the hood and may have vibrated and caused a hole to be rubbed through. The condenser is placed in front of the radiator, check every square inch for signs of impact damage that may have caused a leak. Even without a rock or something hitting the condenser, there could still be a leak - look for evidence of any oil residue especially on all four corners.
Detect a Hard to Find Leak - Troubleshooting
After a quick visual inspection for leaks of the components that are under the hood, it may be considerable to look a little additional with the help of a refrigerant leak detector to troubleshoot the problem. If the law has little oil in it, there may not be much residue to see from a leak. With a freon leak detector, the leak can be detected even if it is a very slow one. Go over all of the components as mentioned before, but this time with the electronic leak detector. The evaporator is the component in the passenger compartment, which is Not visible like the other components from under the hood. Leaks from the evaporator can sometimes be detected straight through the vents. A coarse place to detect an evaporator leak is from the evaporator drain. Refrigerant is heavier than air, so it will simply go out the water drain for the evaporator. Be truthful Not to allow water to enter the tip of the leak detector or it may be damaged.
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