Here's I have also attached the video of expansion valve replacement of your. Install is in the reverse order from removal. Because of this, you should know that compressor failure may occur even if you replenish any oil lost or removed. Compressor: This raises the pressure and temperature of the Freon. On the I4, it is located underneath the intake manifold, but slightly above the oil filter. For the purpose of this procedure a circuit tester and a set of air conditioning gauges will be needed.
The gauge should show close to 80 pounds on the blue low side and 140 on the red high side, depending on outside temperature. Detailed Note: We currently stock 4-Seasons valve 38631 for this application. Detailed Note: There has been some comment regarding the design of this valve, as well as the orientation and sizes of the fittings. Then I lay a spare spark plug on valve cover connected to any plug wire to see if it sparks. If there is a metal to metal sound like a grinding when the compressor comes on the clutch is bad on the compressor and can be replaced separately. I used a crescent wrench to remove my expansion valve as I didnt have a large enough wrench to remove the large flange nut.
If not, the compressor is going bad. This is important, and replace the thermistor in its original location, being careful not to damage it. Accumulator: This does the same as the dryer except it is used to also capture liquid Freon so it does not reach the compressor. The main parts of the air conditioning system include:? It will be staring right at you along with the evaporator. It has a pressure plate bolted to it if a manual transmission, or a flex plate if an automatic transmission.
One is offset so make sure you get the right one. There's three parts to the exp. The normal one will not open in the offset space. Most orders are shipped the same day. Aug 20, 2010 I like to make sure the timing belt is not skipped or broken by watching the cam turn inside the valve cover. Then you take apart the evaporator to get to the expansion valve.
These cars are famous for a relay solder break problem. You should find the thermostat in housing. . Usually a will produce a few symptoms that can alert the driver of a potential issue. Carefully work the intak off.
If it is warm feel the small line and be careful, if the compressor is working the small line should be hot. It has teeth on the outer edge that are used by the starter to roll the engine over. It's difficult to see, but if you look from the driver's side through an opening under the intake manifold, you'll see a sensor. There are several phillips head screws and a couple clips to unscrew. Push the side walls of the glove box together so that the plastic tabs that hold it up will clear their supports.
Once installed, the orientation of this valve may be somewhat different from the original valve. You have to disconnect the two lines to the evaporator from the engine bay, then you will have to remove the evaporator unit from under the passenger's dash. This part is also sometimes called Honda Civic del Sol Air Conditioner. The engine must be separated from the transmission to remove the flywheel, however…. At this point the inside fan is a separate issue if the compressor was not on and will be dealt with next.
Either symptom is a sign that the system is getting too much refrigerant, which will actually hinder its efficiency and performance. Remeber the foam seals you were careful not to rip? So first you need to remove the Glove box from your civic. If the compressor keeps cycling on and off frequently the system is low on Freon and only needs a charge. If the compressor is not on, the problem could be a matter of power to the system, a bad control head on the dash or no Freon. If the large line is cool but not cold and the small line is hot the system just needs a recharge. Fuel can be confirmed by smelling the exhaust, or by using starting fluid carefully. It requires evacuating the the air condition system of freon is the biggest obsticle doing at home.
Make sure you get all your connections tightened real good. We stock ac expansion valve parts for most Honda models including , , , , , , , , , , , , , and. This valve should perform as intended if it is installed with regard to fitting size and not the original valve's orientation to the evaporator body. Expansion valve: This takes high pressure Freon and turns it into a low pressure, low temperature spray that moves into the evaporator inside the cabin and withdraws the heat. If it is left open, you'll have to replace the dryer unit too.