Question about 2000 Honda Civic

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A/c for honda 2000 blows cold but has erratic high pressure readings very high and very low readings on low side

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Evacuate system and refill to proper spec for r13a refridgent may not have proper levels. check cooling fan opperation with engine running cooling fan should be opperating while a/c compressor is engaged. if all theese check out good has blockage in system

Posted on Jul 31, 2009

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How to get AC to blow cold all the time on my 2000 Volvo v70?


You'll need to have someone check the refrigerant charge with a manifold gauge.
If the low-pressure side is lower than it should be but the high-pressure side is normal or showing higher than it should, your orifice tube may be clogged.
Seriously, start by having the refrigerant pressures checked.

Jul 25, 2014 | 2000 Volvo V70

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

2 Answers

Honda Accord 97 A/C Not blowing cold Just recharged


Check the fromt coils. clean them if they need it.
if you put to much in that is almost as bad as not enough. check the high and low cut out. with om. meter. should be closed. or just put a jumper in it. to check. make sure compressor is running
also could be valves in compressor. Hope this helps.

Sep 22, 2009 | 1997 Honda Accord

2 Answers

99 Toyota Tacoma a/c reads high pressure on low pressure side


Does the compressor run?
Low side could be high without a running compressor.

A running compressor?
The expansion valve itself is about $50 and bolts in.
You will have to remove the 134a gas before installing a replacement expansion valve and vacuum the system before recharging.

Sep 07, 2009 | 1999 Toyota Tacoma PreRunner

2 Answers

A/C NO LONGER BLOWS COLD


sounds like the a/c is not fully charged, have the system serviced by pulling the freon out and pull a vaccum on the system and recharging with proper amount of freon. this should fix the problem. if when fully charged and this happens either the high pressure switch or low pressure switch could be bad.

Aug 24, 2009 | 2000 Acura TL

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

After approx 40 min of highway driving the AC stops blowing cold


The frosting of the line is normal. Did you use a gauge set when charging the unit? AND, most important, Did you evacuate the system before putting in the freon? Very important.What was your final low side reading and your final high side reading?

Jun 02, 2009 | 2003 Hyundai Santa Fe

1 Answer

Not getting cold air out of A/C


Freon is low, go to walmart and buy a R134 kit with guage attached (not very expensive. Connect it to the low pressure side of the A/c system (don't worry the connection won't fit on the high pressure side) Read the guage on the kit and add as neccessary. It truly is that simple.

Apr 29, 2009 | 2003 Ford Explorer

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