Question about 2001 Dodge Intrepid

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A/C problem The compressor does not come on and the pressure is way too high on the low side

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  • moparkid Jul 02, 2008

    I jumped the compressor so the reading was with it running & both fans are working

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The low side pressure will be high if the compressor is not running. check the fans and se if they both work probably a blown fuse caused by the locked up fan motor

Posted on Jul 02, 2008

  • chad graves Jul 02, 2008

    a/c cycling switch will cause it not to run not much else. shouldnt have to much in it unless it was over filled

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Where is the low pressure cycling switch?


Low pressure rarely goes bad, it is always on. It works the opposite of the high pressure switch. When the pressure gets to high on the low side, the switch will cut off the compressor. Low switch is usually by the compressor or mounted in the compressor. What's your A/C not doing.

Apr 30, 2016 | 2001 Chevrolet Malibu

1 Answer

93 Allante AC Compressor won't come on to recharge system


On most models you would need to jumper the low pressure switch while you are recharging the system. There should be a low pressure switch on the low side line and a high pressure switch on the high side or on the compressor.

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Replaced all A/C major components (compressor, filter-drier accumulator, and orifice tube) except condenser due to a seized compressor and failed clutch bearing. Flushed system and appeared to have no...


It sounds like you've done just about everything except to check if there is a bad or intermittent wire causing this or perhaps your low-pressure safety cutout switch is possible going bad causing the compressor to kick on and off?

Nov 01, 2013 | Lincoln Town Car Cars & Trucks

1 Answer

Add fREON bird low


H stands for High Pressure and the L stand for Low Pressure.
The A/C system is split into two sides, a high pressure side and a low pressure side. An AC compressor is basically a pump, so it has to have an intake side (low pressure side) and a discharge side (high pressure side).

Sep 18, 2013 | 2003 Suzuki Aerio

1 Answer

Forester ac compressor cycles every few seconds but pressure on lp side shows high in gauge


Is it possible you hooked up to the factory service port on the high side instead of the low side port ?
Can you hook up a set of gauges to both high and low ports ?

Jul 27, 2012 | Cars & Trucks

1 Answer

Is the low pressure side of 92 F-150 on the condenser or near the compressor.


LOW PRESSURE SIDE IS THE SUCTION CHARGE SIDE WILL BE FROM AC COMPRESSOR REFRIGERANT LINE TO THE ACCUMULATOR OR DRIER TO THE EVAPORATOR IN THE FIRE WALL THE AC COMPRESSOR LINE TO THE CONDENSOR IS THE HIGH PRESSURE SIDE YOUR DISCHARGE SIDE. DONT DONT TRY CHARGING AC SYSTEM AT THE HIGH PRESSURE SIDE. CHARGE AT THE LOW PRESSURE SIDE.

Aug 18, 2011 | Ford F-150 Cars & Trucks

2 Answers

When i turn on the a/c,the compressor does not work


CHECK REFRIGERANT CHARGE. USING A MANIFOLD GAUGE SET. HOOK MANIFOLD GAUGE SET TO LOW PRESSURE PORT AND HIGH PRESSURE SIDE PORT. LOW SIDE PRESSURE SIDE SHOULD HAVE 25 - 36 PSI AND HIGH PRESSURE SIDE SHOULD BE 178 - 237 PSI. IF LOW SIDE PRESSURE SIDE READ BELOW 20 PSI THE LOW PRESSURE SWITCH WILL NOT TURN ON THE AC COMPRESSOR CLUTCH NEED TO ADD LITTLE MORE REFRIGERANT. IF REFRIGERANT LEVEL CORRECT CHECK AC COMPRESSOR FUSE AND RELAY.IF POWER GOING TO AC COMPRESSOR CLUTCH YOUR COMPRESSOR CLUTCH HAS OPEN WINDING. AC COMPRESSOR CLUTCH NEED REPLACING.

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2 Answers

96 Tahoe no Cold Air


YOU NEED 28 PSI ON LOW SIDE AND ABOUT 190 ON HIGH SIDE.YOUR REFRIGERANT IS LOW THAT WHY COMPRESSOR CYCLING ON AND OFF.

Jul 22, 2009 | 1996 Chevrolet Tahoe

1 Answer

What is the high and low pressure on 1997 toyota


The high and low pressure is refer the hose BEFORE (low) and AFTER (high) the A/C air compressor.

Low side can range from 0 (dead compressor) to 120+ (overcharged system)

High side can range from 0=dead to 170++ overcharged or damaged compressor.

DO not attempt to charge the system unless you has the correct manifold A/C unit and hoses to do the job.

Jul 16, 2009 | 1997 Toyota Camry

1 Answer

I cannot differentiate between the low pressure and high pressure


This is a little A/C 101. Follow the A/C lines. All A/C systems have a high pressure side and a low pressure side. The high pressure side is from the compressor to the condenser coil on the front of the vehicle to the evaporator coil in the dash. At the expansion valve in the evaporator the pressure drops. At the expansion valve the refrigerant changes from a liquid to a gas. This provides the cooling. The low pressure side is from the evaporator back to the compressor. Usually the high pressure lines are smaller than the low pressure (suction) lines.

Jun 13, 2009 | 2003 Chevrolet Silverado 1500

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