Question about 2002 Honda Odyssey

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2002 a/c compressor clutch keeps engaging and disengaging










The compressor at times works and at other times it dosen't. When it works, it blows cold air. Most of the time you can hear the compressor clutch engaging and disengaging rapidly. Any help wpuld be appreciated.








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If it is engageing rapidly it means it needs to be charged.

Posted on Jun 19, 2009

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1 Answer

Ac not working, air compressor clutch not engaging


Hi Adeyeri

Keep in mind that the Clutch won't engage for a few safety reasons.

Temperature inside vehicle
Temperature of compressor or pipes
Pressure inside pipes
Compressor jambed
Eg It's out of refrigerant Gas

You can momentarily engage the clutch by simply giving it +12v to the wire attached to clutch. Usually has a connector close by.
Or
If it has a Relay (click) in fuse box
You can by pass it with a jumper

A quick engage & disengage should allow you to detect possible problem.
But don't over ride the built in safety for more than about a minute.

Cheers
Hope this Helps

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Feb 23, 2016 | 2002 Infiniti QX4

1 Answer

What could cause my 1995 F350 truck AC compressor clutch engages and disengages about every 5 seconds


The intermittent action is a sign that either the low or high pressure switches are working. You need a set of manifold gauges to check both ends of the system out.

Now some systems use an air blend valve under the dash to regulate the A/C temperature with the compressor operating almost constantly. Other systems cut off the a/c compressor to work intermittently to keep the extreme cold from happening and helping to regulate temperatures.

Independent of this is another switch on the a/c tank that prevents freezing. If your black oblong tank is coated frost white, the freeze cutout is going to work. This will make the oblong tank sweat and keep the system from freezing solid.

You may be able to borrow manifold gauges from the tool loaner programs the autoparts stores have. Since the compressor is not running fast enough to cool, the low pressure switch may be cutting power to the compressor clutch while cranking.

Oct 01, 2012 | Cars & Trucks

1 Answer

My air conditioner is blowing warm air on the driver side and cold on the passenger side


see this steps and think with clearly and logically NOT feared. God bless you
checkmark.gif Start with the compressor. Does it engage when you turn on the A/C?
If so, the compressor is working and the A/C system probably contains enough refrigerant to make cold air, so the problem is inside the HVAC unit. Replace the motor that controls the blend air door (this is a difficult job and best left to a professional since it involves tearing apart the HVAC unit -- about an 8 to 10 hour job!).
If the compressor does not engage when you turn on the A/C, see if it will run by jumping the compressor clutch wire directly to the battery (use a fused jumper wire). If the compressor works when you jump it, and the A/C blows cold air, the system contains refrigerant and the fault is likely a bad A/C compressor clutch relay or a bad clutch cycling switch or pressure switch.
If the compressor does not engage when you jump it, the problem is a bad compressor clutch.
If the clutch engages but the compressor does not turn (the belt will start to slip and squeal), the compressor is locked up and you need a new compressor.
If the compressor clutch engages and turns the compressor, but the A/C still does not blow cold air, the system is probably low on refrigerant and needs to be recharged.

7_25_2012_8_45_21_am.jpg

Jul 24, 2012 | 2007 GMC Sierra Classic

1 Answer

My 2002 neon's A/C blows warm air. The vent pressure is working well- but it blows warmer than the outside air. Can I fix this myself? What might the problem be?


If you are handy, yes you can. Most likely causes are loss of freon which would prevent the compressor clutch from being engaged and operating the compressor, a lack of 12 volts being applied to the compressor clutch because the a/c compressor fuse or relay has failed, preventing the clutch from engaging the compressor, or the compressor clutch itself failing. Easy test is to watch the compressor pulley with the motor running. The pulley will, of course be spinning, but the circular assembly mounted to the front of the pulley will spin with the pulley only when the compressor is engaged. There is a sensor mounted to the a/c line that prevents the clutch from engaging the compressor if there in not enough freon in the system. You could go to auto zone or checker and buy a can of freon r-134 with a hose for around $15.00. It is fairly easy to follow the instructions to charge the system. If, after allowing some of the can to pressurize the system, the compressor clutch engages then you can continue to charge the system. Cold air should start to blow by the time the can is empty. Or you can locate the a/c relay located in the fuse panel, remove its plastic cover and manually close the contacts while observing the compressor pulley assembly. If the clutch doesn't engage then the problem in probably electrical, a fuse, the relay or the electric clutch itself. Go to auto zone and check you their dvd on a/c repair for under $9.00. Hope this helps! Dano

Jul 01, 2011 | 2002 Dodge Neon

1 Answer

Cannot charge system as the compressor clutch does not ingage ...it was working fine then I thought it must have a leak when it started blowing warm air instead of cold....tried to charge it....to no...


Most likely the switch that is causing your trouble is located on the comp. behind the clutch assembly, In most instences the clutch Assembly will need replaced. The switch engages and disengages the clutch. Most of the time these can not be bought by them thelves.

Jun 23, 2011 | 1996 Cadillac DeVille

1 Answer

2001 hyundai santa fe air conditioner the air conpresser works ad the blower works but can't get cold air.


might be the cooling gas freon
or could be simply the clutch that engaged disengage the compressor has a problem with its solenoid

Jun 14, 2011 | 2002 Hyundai Santa Fe

1 Answer

96 chevy blazer not blowing out cold air only 70 deg.freon full clutch engage and disengages


Have you checked the low side and high side pressures? The compressor might be bad. Does one line to the compressor get cold and the line coming out get hot?

Jul 02, 2010 | 1996 Chevrolet Blazer

1 Answer

My 2002 Expedition air conditioner will sometimes blow hot air and others cold air


I would check the following possibilities:
1. Is compressor clutch working? - You need to do this when the ac is blowing hot air only - locate compressor drive pulley on engine - rubber belt wraps around it. Start engine and set to max ac. When the ac is blowing hot air, look at the center of the compressor drive pulley using a good flash light - watch it for a while, it should be spinning with the pulley - this means the compressor is engaged. If not, the compressor is not engaged. If your ac is blowing hot air, then the compressor should be engaged and running (trying to cool). If it is not engaged, then your compressor clutch is probably going out. Could be low voltage to clutch, but more likely the clutch is worn out and only working some of the time. Note: if working normally, the compressor clutch will engage and disengage in cycles- but the air should always be cold. If clutch is bad, compressor would need to be replaced (sold as one unit). This is tricky to diagnose and could take some time - you need to do it when ac is blowing hot air but set to max cooling.

2. Low on refrigerant or refrigerant has moisture in it? If your ac blows cold initially after being off for a while, then heats up, and continues to regularly cycle back and forth between hot and cool air, then the system may be low on refrigerant or the refrigerant may have moisture in it that is freezing and restricting refrigerant flow. An a/c shop can check refrigerant level and even replace refrigerant if moisture is suspected.

Could be other issues, but I would start with these.

Good luck

May 07, 2010 | 1999 Ford Expedition

1 Answer

AC doesn't blow cold air on 95 4 runner. Can I check compressor


Well, for one with the truck idling, the RPMs should increase every time that the clutch on the compressor engages. You should be able to see it engage and disengage and the RPMs will change accordingly. If this isn't happening then you need to determine why. Have the A/C blower on low when doing this.

May 29, 2009 | 1995 Toyota 4Runner

1 Answer

Screeching noise, then a/c stops blowing cold air. Still blows air, just not cold air.


it could be the air conditioning clutch going out. to check turn your car on and idle it with ac on and hood open. at the ac compressor it will have a pulley on it with a clutch that engages when the air conditioning is on. if it engages and disengages it can be the clutch itself has gone bad, the ac clutch will also disengage if there is not enough freon in the ac system, will also engage and disengage if the pressure gets too high in the ac system. Depending on the year of the vehicle it will disengage at full throttle and come back on when you are not at full throttle.
If it is a metallic sounding screech for example take a coke can and drag it across pavement kind of sound it could be a bad compressor or a bad ac clutch. If it is a more rubbery sound for example a car spinning its tires kind of noise it could be a loose belt.

1. Check to make sure all belts are tight under hood
2. start car and look at ac compressor to make sure compressor pulley is turning and that the fan clutch is engaged spinning


Aug 09, 2008 | Mercedes-Benz 400-Class Cars & Trucks

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