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1Start the recharging process with any left over freon you may still have. Open the Civic's hood and attach the kit to the Civic's low side port. Then, set the kit onto a place in the engine compartment where nothing can move or shift once the engine has been cranked.
2Start the Civic and let the engine run until it reaches its normal operational temperature.
Single Pressure Gauges for Indl., Commercial & Specialty Uses
3Turn on the airconditioning to its coldest and hardest-blowing settings. Place a thermometer into one of the Civic's air conditioning vents and monitor how the temperature drops. Once the air conditioning's temperature reaches a level, constant degree, remove the thermometer.
4Open all four doors on the Civic. This will allow any colder air generated to escape, and this will keep the Civic's air conditioning for accidentally cycling off while you recharge the refrigerant levels.
5Turn the recharging kit's valve all the way down and let the refrigerant charge into the Civic's air conditioning periodically, shut the valve and look at the kit's gauge. This will allow you to monitor the recharging process. Allow at least one minute to elapse between refrigerant charges into the system.
6Shut the valve of the canister, once it has become depleted. Disconnect the kit from the low side port.
7Detach the hose, gauge, and valve from the empty canister and attach them to a new canister of refrigerant. Reattach the kit's hose to the Civic's low side port and continue recharging the system, allowing a minute between individual charges. The can itself can potentially grow very cold and hard to hold, even with gloves. Should this happen, wrap the can in a towel warmed in water. Ring out excess water before wrapping the canister.
8Place you thermometer into one of the Civic's air conditioning ducts. Keep an eye on the falling temperature within the Civic's air conditioning system. The system is charged when the temperature hits 40 degrees. Also, within the engine compartment, the Civic's air conditioning aluminum tubing become uniformly cold.
9Shut the recharging kit's valve and remove the kit from the low side port, once the system has been successfully recharged. Shut down the Civic's air conditioning, turn the engine off, and remove your key from the Civic's ignition. Also, shut all the doors
Hi, determine if your car uses R134 or R12 refrigerant. You will notice screw type connectors on the both the High Pressure Side and Low Pressure Side lines in models using R12 refrigerant. R134 compatible models have quick connect valves on both sides. Models made before 1995 may use the old R12 refrigerant. If this is the case, you must have your Chrysler's air conditioning system retrofitted to use R134 refrigerant. Mixing R12 and R134 refrigerants is dangerous and may cause damage to your vehicle.
Check your air conditioning system pressure using an automotive air conditioning pressure gauge. Keep in mind that in order to get an accurate reading, the air conditioner has be turned on the coldest setting with maximum blowing power.
Remove the Low Pressure Side port valve cap and set it aside. The location of the port varies, but it is usually in front of the engine block. Attach the refill hose to the port on the Low Pressure Side of the air conditioning system. The Low Pressure Side port is smaller the High Pressure Side port. Because the ports are different sizes, the refill kit hose should fit only on the Low Pressure Side port. Additionally, the High Pressure Side port will usually have a red cap or be marked with an H or the word High
Allow the air conditioner to **** the refrigerant out of the can by slowly turning the valve on the refill kit hose. Pay attention to the way you hold the can. Most kits will have you hold the can upright when you recharge the air conditioning system. It may take as long as 10 minutes to empty a single can.
Turn the valve to the off position and remove the refill hose from the port. Recap the port before closing the hood.
Let the air conditioner stay on for at least 30 minutes. This allows the refrigerant to move throughout the entire system.
Jeep GrandCherokee SUVs manufactured in or before 1995 use R12 refrigerant. You must
retrofit these SUVs to accept R134 refrigerant using a retrofit kit
available at your local auto parts store before you can recharge the
system. In some areas, a license is required to retrofit an air
conditioning system. If this is the case in your area, take your Jeep
to a professional to retrofit the system.
your SUV to a mechanic to recover the R12 refrigerant out of the air
conditioning system. A license and special equipment are needed to do
this. Because R12 refrigerant is expensive, many mechanics will do the
job for free.
the Low Pressure Side connector port. You will find it on the driver's
side of the engine. Remove the blue or yellow cap marked L. You only
need to retrofit the system if you see a screw-type connector valve. If
you see a quick connect valve, the system already is R134 compatible.
Wipe the connector valve off with a clean towel. This ensures that the
retrofit connector properly adheres to the valve.
the long retrofit connector from the automotive retrofit kit onto the
Low Pressure Side valve. The retrofit connector has a special adhesive
on the threads that will help it adhere to the valve. Screw the
connector onto the valve. Tighten the retrofit connector using an
adjustable wrench. Place the cap provided in the retrofit kit onto the
retrofit connector. This keeps dust out of the system.
the air conditioning lines away from the compressor until you see the
High Pressure Side port valve. This is located near the Low Pressure
Side service port. Remove the red cap and wipe the port off with a
the shorter adapter onto the port. Twist it using an adjustable wrench
until it is securely fastened to the port. Place the red cap from the
retrofit kit onto the adaptor.
out the Retrofit Identification sticker provided in the retrofit kit
using a permanent marker. Remove the protective backing and place it on
the interior side of the hood. This lets future owners and service
professionals know that the system has been retrofitted.
the air conditioning system. See the related eHow titled "How to
Recharge Air Conditioning with Freon in a Jeep Grand Cherokee."
WARINING: Never try to evacuate the system yourself. A license and special
equipment is needed to evacuate the system. Attempting to do this
yourself will release refrigerant into the air, which is a federal
It shoud have R134a, I would use a recharge kit. If you have a slow leak this will only be a temporary fix. They usually sell a kit with a dye inside the can, If you use that you should be able to locate where the leak is.
Sounds like the A/C system just needs to be recharged. When was the last time you had this done? Just take it in to your mechanic and he can do it for you and if that's not it for some reason, then he will be able to find the problem but most likely you need more freon added.
If the system is not fully charged the compressor will not run. Check to see it the system uses 134a refrigerant for the cooling system. You can buy them in Walmart or other parts stores and try to charge it yourself. It will tell you under the hood by the systems tag how much refrigerant it takes.
Use on of those quick freon kits that come with the fill tube and gauge. It sounds like you have a slow leak and on a hot day there is enough pressure in the system to trip the switch. If thats not the problem check the wiring coming from the switch. The switch is probably near the filter/dryer. Thats the metal canister that sweats liquid on a hot day.