Question about 2001 Honda Civic

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2001 honda civic Air conditioner will not blow cold. I went to recharge it the other day and when i put the gauge on the low side the pressure was extremely high 80psi+. Why? Is this something i can fix??

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  • skootche Jul 01, 2009

    I've checked some electrical. The button on the dash indicated the a/c is on and when i cycle it the RPMs fluctuate. I inspected the relays and even swapped them around. but they seem to be working correctly. is there a test i can do for the clutch directly? Is the a Ohm Reading?

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Air conditioning systems are always high-pressure systems,simply because the refrigerant used is a gas forced to become liquid.

In fact, a loss in pressure in the cooling lines means that your system will have no cooling capacity.

Your problem description points towards your compressor not engaging. There could be a switch in your car's interior/dashboard that indicates 'COOL' or A/C (or something like it) that should manually engage/disengage your a/c compressor.

In case this still does not work, your compressor clutch or the electrical system engaging this is faulty and will need the attention of a qualified service technician.

Hope this helps.

Posted on Jul 01, 2009

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I have a 1996 Honda Accord and the other day I had put in on heat then later when I went to switch it back it's not blowing out cold air, its blowing like luke warm air. It's not hot and it's not cold. Can...


Could be low on freon, have a pro check it out unless you have the proper gauges. Or could be the low pressure switch is not working. System must be tested for leaks first then pressure checked. DO NOT just add more freon from a can you could damage the compressor or parts of the a.c.

Oct 14, 2013 | 1996 Honda Accord

1 Answer

A/c blowing hot air with low pressure


The first thing to do would be go to your local auto parts store and buy an air conditioning recharge kit. Provided your vehicle isn't too old, they sell recharge kits that require no tools.

If their is a leak anywhere while you recharge, you will know.

Try recharging the air conditioning first, it is very simple and the kits come with simple instructions.

If there are no leaks, your A\C will blow cold air again. As for the pressure, if it continues to slightly blow air you may be looking at a new air compressor unit or a vaccum line. A new unit will run you anywhere from $200-$2000 dollars plus labor depending on the vehicle.

If the recharge works, at least you will have slightly blowing cold air rather than hot and you can continue that way until the unit fails.

Jul 09, 2013 | Cars & Trucks

1 Answer

Recharge the air conditioner


Instructions
    • 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 air conditioning 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

Jun 21, 2012 | 1998 Honda Civic

2 Answers

How to recharge recharge airconditioner


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.
Take care

Aug 03, 2010 | 2006 Chrysler Town & Country

1 Answer

2004 Honda CRV air conditioning stopped blowing cold air. Box Store Auto Repair place said it was the compressor cost $1000. A Motorhead friend said it was either the low pressure switch or the high...


Hi!

If by red lined you mean it went over the 250 psi range??

Assumiing that the answer is yes. This is what I think.

The Hi and Low pressure switches prevent damage to the compressor if the pressure is out of range.

Before going any further, check A/C Relay and fuse.

With the engine off, check pressure on both, Hi and Low. Both gauges must have same reading. It should be between 175-200 psi at about 80 degrees temp., if pressure is over that range, the Hi Pressure switch is preventing the compressor clutch to engage, gas needs to be removed by a qualifying A/C Technician.

If Pressre is between range, and both gauges read the same, start engine and turn compressor on, check gauges, The Low side should read about 38 psi and the Hi side should be between 250/275.psi.

Any more trouble shooting should be performed by a Qualified Tech.

Don't forget to rate this post!! Good Luck!!

Jul 20, 2010 | 2004 Honda CR-V

1 Answer

94 civic a/c


Look at the LOW pressure gauge reading when the engine is OFF.

On an 80 degree day, the LOW gauge should read about 56 psi or higher if the A/C system contains an adequate charge of refrigerant.
On a 90 degree day, the LOW side reading should be about 70 psi or higher.
If the LOW gauge reading is less than this, the A/C system probably needs some additional refrigerant.

Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

Jun 22, 2009 | 2003 Honda Civic

2 Answers

A/C Blows cold air at night and in the morning


My 96 accord had the same prob. if you don't have a leak you need to make sure
of that first if no leak and not over charged ( my 96 accord holds 22.9 ounces of 134 )
anyway the fan on left side of motor was bad I replaced it and it works great.
Day/Night and inbetween

Jun 19, 2009 | 1996 Honda Accord

1 Answer

Would like to recharge my air conditioning on my 2001 nissian maxima that has 117,000 on it blows hot air when air conditioning is turned on.


You will need R134a, and a filler hose. Charge the system on the low pressure side, it should have a blue cap on the charge point.
Your filler hose will only fit the low pressure side, just in case the cap has been removed.

May 23, 2009 | 2001 Nissan Maxima

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