Clean your AC drain if water is spilling into your car How to Clean your AC drain if water is spilling into your car This next tutorial is going to be showing you how to take care of a problem that is very common amongst drivers. If water has ever spilled on you from inside your car, it's probably from your HVAC. When you use your A/C, condensation builds up as well, and this usually goes down a drain. But if it gets clogged then you might have a problem. This tutorial is going to show you what you need to do in order to clean out the clog to prevent any accidents from taking place again. So good luck, be careful, and enjoy!Most cars equipped with a manual heating, ventilation and air-conditioning (HVAC) system use a blower motor resistor to control the speed of the blower motor fan. The blower motor resistor is used to reduce the fan speed in lower settings (1,2 and 3). Some minivans and SUVs equipped with a separate heating and air conditioning system for the rear passengers use a separate blower motor resistor to control the speed of the rear blower motor fan.

Usually, a blower motor resistor is installed inside the HVAC system so that air flowing through the HVAC system cools down the resistor. Due to constant heating and cooling, as well as with a moisture present in the air, some parts of the blower motor resistor can corrode, causing it to stop working. The most common symptom of a failed blower motor resistor is when the fan works in "High" speed, but doesn't work in some lower speeds. harga ac portable low wattThe highest speed setting may still work because in most cars in the highest fan speed settings the current bypasses the blower motor resistor (see the diagram below). ice buildup on ac coilsIn some cars, if the resistor is failed, the fan may stop working completely. 2001 nissan pathfinder ac control unit

Another reason a blower motor resistor may fail is when the blower motor has a mechanical problem or when a foreign object jams the blower motor fan blade and prevents it from spinning freely. This leads to increased current through the resistor and causes it to overheat and fail. In most cars, replacing the blower motor resistor is not too difficult. For example, in the 2001 Toyota Camry, it can be done within 15 minutes, the part can be purchased for $25-45 online. The resistor is installed near the blower motor underneath the passenger side of the dashboard. In some cars (e.g. Dodge Caravan, Ford Escape), the glove box needs to be removed, to get the access. Read about testing the blower motor resistor on the next page.Troubleshooting and repairing automotive A/C systems typically involves inspection of the following key A/C components. An orifice tube is used to control the flow of refrigerant into the evaporator. It works in conjunction with compressor controls to maintain low side pressure at a sufficient level, to prevent evaporator icing or flooding.

The orifice tube is placed in the high side liquid refrigerant line, at or near the evaporator. Some system designs place the orifice tube in the condensor outlet to dampen the hissing noise produced when the system is shut down. The orifice tube contains a small brass tube machined to precise diameter, that is used to meter refrigerant flow. The tube is set inside a plastic carrier which also houses a mesh filter screen that is used to keep debris from entering the orifice. Seals are placed on the outside of the orifice tube assembly to block refrigerant from flowing around the tube and to help secure it in the liquid line. Automotive air conditioning systems that use an orifice tube also must use compressor controls to maintain low side pressure and temperature. Most use pressure cycling switches that are mounted on the accumulator to shut the compressor off when low side pressure drops below a specified level. Some older designs use a thermostatic cycling switch to control system pressure.

These switches monitor low side temperature and cycle the compressor off when it drops below a specific level. The frequency of compressor cycling is dependent upon ambient air temperature and air flow across the condensor. Running the air conditioner at highway speeds or during cool days can result in the compressor cycling on and off at a higher rate. Compressor cycling may be felt by the operator of the vehicle, especially in vehicles equipped with small displacement engines. To address this, variable displacement compressors were designed to eliminate compressor cycling. Variable displacement compressors control system pressure by changing the amount of refrigerant the compressor can deliver in response to system demand. Refer to an auto repair manual for the specs on your vehicle’s A/C orifice and it’s removal and replacement instructions. The accumulator is placed at the evaporator outlet and is used to separate liquid refrigerant from vaporized refrigerant, as well as remove any moisture contained in the refrigerant.

Refrigerant enters the accumulator as it leaves the evaporator. Any liquid refrigerant is trapped in the accumulator, while vaporized refrigerant and refrigerant oil is allowed to pass on to the compressor. A desiccant bag is placed in the accumulator to remove any moisture that may have contaminated the air conditioning system. The receiver drier is used in air conditioning systems that utilize an expansion valve for refrigerant flow control. The receiver drier stores half of the systems refrigerant charge and contains a desiccant bag to remove any moisture that may have contaminated the system. The receiver drier is placed in the high pressure liquid line, between the condensor and the expansion valve. It may contain a sight glass that is used as an indicator for the amount of refrigerant contained in the system. Pressure switches and a pressure relief valve may also be placed on the receiver drier. is a lifelong fan of Dodger Baseball and used to race sprint cars inIf you own a Honda CR-V its no doubt you’ve had troubles with your AC system.

Don’t feel that you’re the only person. If you do a search online, you will find that an enormous amount of owners have encountered the same exact issue. In fact, this issue is so wide spread that there is a class action lawsuit being filed against Honda. They’ve seen countless CR-V’s that have been plagued with “Black Death”. The air compressor found on the CR-V has the issue of “imploding”; the internals completely shattering, forcing debris throughout your AC system, plaguing all of the associated components and causing the compressor to seize or “lock up”. This debris will find itself lodged in these parts and a simple flush just won’t do.  Replacing ONLY the AC Compressor and drier is not sufficient enough to have reliable AC once again. By doing so, you will only put yourself through the entire replacement process over again as the debris and contaminants will only find it’s way back into the compressor and it will seize once again. There is no simple way to repair the CR-V’s AC System.

You MUST replace the following parts to remedy the problem: 2. Condenser (with Drier attached) 5. System Seal Kit 7. Both low side and high side AC Hoses. If you have been affected by the CR-V's "Black Death", be sure to repalce ALL of the listed components! Please click here to visit our eBay store. Your A/C Accumulator Drier and why you need one! Your A/C Accumulator Drier and why you need one! A/C Compressor Installation Guide Image A/C Compressor Installation Guide Frequently Asked Auto A/C Questions Part 1 Image Frequently Asked Auto A/C Questions Part 1 Automobile Air Conditioning Questions & Answers Image Automobile Air Conditioning Questions & Answers AC Compressor For 2000 2001 2002 Ford Focus 2.0l (Used) 57162 Image AC Compressor For 2000 2001 2002 Ford Focus 2.0l (Used) 57162 AC Compressor For 2003-2007 Corolla Matrix 1.8l (1yr Warr) R77391 Image AC Compressor For 2003-2007 Corolla Matrix 1.8l (1yr Warr) R77391

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