Question about Metra 92 95 Cadillac Eldor/Seville

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95 Eldorado, a/c compressor off, low refridgerant

I have a 95 Cadillac Eldorado, and the a/c compressor is shut off due to low pressure, does anyone know how to get the compressor to run to recharge the system?

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I also recall that you have to disconnect the battery for 30 seconds to clear the error and allow the compressor to kick in while charging.


Posted on Aug 10, 2009

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If the system is operational,the compressor will come on when you charge the system. It's a safety feature of the compressor so it does not burn up running dry.
As you charge, the compressor should kick in. At first it will kick in and cycle off until there is sufficient charge to bring the system up to correct pressure.

Posted on Jul 16, 2009


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1 Answer

1993 Eldorado Cadillac ac compressor won't take freon. Display says compressor off, low refrigerant. How to bypass computer? Can compressor relay be jumped using paper clip? Which holes? to

Grab some refrigerant gauges and take readings. If the low side has more than 40 psi or so of pressure, the low limit switch will close and allow the compressor to run. If there is indeed low pressure causing the compressor not to run, you will need to flush the system after eliminating the source of the leak. If the a/c compressor has never been changed, it is probably the source of the leak.

Feb 18, 2015 | 1993 Cadillac Eldorado

1 Answer

Reset a/c compressor

You want to Operate the Air Conditioning Compressor ? IT is controlled by a pressure switch and is controlled automatically.

Are you talking about Air Ride Suspension?

The Air Compressor is also Pressure Controlled for this system

Apr 05, 2013 | 1997 Cadillac Eldorado

3 Answers


Hi, the way to get the compressor to come on is to short the connector to the pressure sensor on the return line. The sensor is along the same line you were trying to charge on. Just remove the connector and use a large paper clip to connect the terminals inside the connector. Please let me know if you have more questions, and thanks for using FixYa.

Jan 01, 2011 | 2001 Cadillac Eldorado

1 Answer

I cant start my cadillac eldorado 95 it says starter dusabled due to theft system how do I fix this problem?

Go around the car to the passenger side, and insert the rounded door key in the door, then lock and then unlock the door with the key. This should disable the anti-theft system. This also will shut off the horn blowing when the alarm is tripped. This works on all older Cadlillacs. Hope this helps.

Oct 22, 2010 | 1995 Cadillac Eldorado

1 Answer

A/c refrigerant low-a/c off. Will not cycle. Clutch does not engage.

Hi, If your system if low on freon the compressor will not engage due to the low pressure. You will need to get at least a small charge into the system to determine if there are other problems and to find the leak. The condenser have a high failure rate on these cars so that is where i would start to look for a leak. If there is anything else i can help you with just ask. Thank you.

Sep 04, 2010 | 1999 Cadillac Eldorado

1 Answer

AC comes on, then shuts down before car is cooled. Compressor activates and blows cool air for about 15 seconds then shuts down.

Low on R134a, you need to have the system recharged. Try to stay away from the do it your self kit that most Auto Parts store carry.
Below are normal car AC pressure readings with 134A

Normal readings on high and low side with AC OFF (static pressure) – Depends on outside temperature, but normally is between 80-105 PSI

Normal low side reading with AC on high speed and MAX & engine at 800-1000 RPM’s – Ranges from 25-35 PSI

Normal high side reading ranges from 200-350 PSI

Don’t assume that if adding little Freon is good that adding a lot is better! Overcharging just a little can decrease the performance of the system and possibly damage the compressor.

Thank you for using fixya and good luck.

Jun 12, 2010 | 1998 Cadillac Eldorado

1 Answer

I have a 1997 Cadillac STS and the A/C doesn't blow cold very often.. The compressor will run for about 5 seconds bringing the low side pressure down from ~95 psi to ~40 psi then it shuts off for about a...

sounds more like the low pressure switch try that first u dont have to drain system for that,,,if it doesnt work they are two refridgerent temp sensors, u have to drain system first but u need to replace both so u know u have both coverd and dont have to go back in to system

Jun 28, 2009 | 1997 Cadillac Seville

2 Answers

1999 caddy eldorado

Had this happen to my 95, had to disconnect the battery for 5 min to reset the compressor. Then after re-connecting, turn a/c on high to refill with refrigerant. Best of luck with your problem.

May 03, 2009 | 1999 Cadillac Eldorado

2 Answers

Air Conditioner

It means that the the AC is low on charge, you have a leak, this light is triggered when the AC compressor cycleing times go beyond a pre-programmed number per minute.

Nov 05, 2008 | 2000 Cadillac Eldorado

3 Answers

95 cadillac eldorado engine stalls rough idle check engine light is on

I have a 1994 Cadillac Eldorado and every time i start it the car has rough Idle and the Idle fluctuate's. I also can feel it in the gas pedal when the car is doing this I tried replacing the throttle body sensor but it still does it I also was told it was the Idle error sensor. So instead of spending the unecessary money again I thought I would go online and see if anyone could help me with this problem.

Sep 30, 2008 | 1995 Cadillac Eldorado

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