Question about 2002 Buick Rendezvous

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Where is the A/C high pressure switch located for a 2002 Buick Rendezvous? I followed the low and high pressure lines from the compressor to the firewall and no switch. Thanks, DM

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The AC refrigerant pressure sensor is located under the air cleaner housing. It can be serviced by putting the vehicle on a lift and removing the air baffle. Then it can be reached from underneath.

Posted on Jul 19, 2010

Testimonial: "Thanks for the help. It was hard to follow the lines when they disappeared below the air filter. With your help I was able to find the switch."

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1 Answer

High and low pressure switches


The high pressure switch is usually located on the a/c compressor. If pressure gets to high on the high side the switch will open and turn off the a/c compressor. It is a normally closed switch. The low pressure switch is usually located on the lager of the two lines, or on/near the accumulator (also known as the receiver drier). It's function is to turn off the a/c compressor if pressure gets to low. It is a normally open switch that requires a minimum pressure in order to close.

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

Apr 09, 2013 | 1999 Ford Expedition

2 Answers

I need to find the ac cycling switch on 2002 neon


There should be a low pressure and a high pressure switch on the lines or the compressor. The low switch cuts power to the compressor if freon or pressure is low, high cuts power if pressure in the system goes over 300 psi.

Jul 21, 2012 | Dodge Neon Cars & Trucks

1 Answer

Where is the location of the high low pressure switch on 95 buick lesabre


compressor comes on and off normally mean low on freon or compressor is going out, i would check freon first. low pressure is normally the bottom line but you may want to ask someone at your local part store to pull the diagram to make sure

Jul 06, 2012 | Buick LeSabre Cars & Trucks

1 Answer

Where is the low pressure air conditioning service port on a 1998 Buick Skylark?


Locate your AC compressor.
The low pressure service port is located on the back of the compressor where the high and low side connections bolt to the compressor.
Look on this line about 4 inches or so back on the line.

Hope this helps.. Best of Luck

Aug 21, 2011 | 1997 Buick Skylark

1 Answer

On 2002 buick regal ac problems. Tried a jumper wire from the pressure switch on high side( smaller ac line ) . no switch on low side by accumalator. vOLTAGE THROUGH WIRES ON HIGH SIDE. NO VOLTAGE GOING TO...


Does the system have a leak? If it does, then the computer might have set a low freon code that usually does not turn on the check engine light by itself. If this occurs, the code will have to be erased before the compressor will run. The computer does this in order to protect the compressor so that it cannot run without enough freon in the system. Once you correct the amount of freon in the system (if it needs it), reset the system and see if the compressor will run. Some parts stores have the ability to erase codes and will usually do it for free. I hope this solves your problem. It's definitely not good to have AC problems this time of year. Thanks for trying Fixya.com.

Jun 29, 2011 | 2002 Buick Regal

2 Answers

WHERE IS THE FUEL FILTER LOCATED ON MY 2002 BUICK RENDEZVOUS CXL ??


Yes follow the fuel lines, you can get a service manual with procedural instructions from promanuals.net for cheap.

Aug 12, 2009 | 2002 Buick Rendezvous

2 Answers

2004 Lincoln LS A/C Valve


In order to charge, you must locate the low pressure valve to install the refrigerant. The low pressure valve is between the compressor and the evaporator. Do not charge on the High Pressure side, The high pressure valve is between the compressor and the condenser. To locate the low pressure valve, follow the line that comes from the compressor and routes toward the firewall. The valve will be somewhere on that line. Do not overcharge. The amount of pressure that is needed on the low pressure side will depend on the ambient outside temperature.

Jun 21, 2009 | 2004 Lincoln Town Car

1 Answer

My car is jerking while accelerating and reaching certain RPM


clean mass air flow sensor check for mil light

Jun 01, 2009 | 2002 Buick Century

1 Answer

2993 Buick Rendezvous


The dryer that you are talking about is mounted to the a/c condensor assy. infront of the radiator. I do not think that there is a low pressure switch by the drier on this particular model though. This particular vehicle uses an evaporator temp. sensor to control the operation, much like most cars using a low pressure switch. The problem with this type of set up is that you must remove the entire dash assy. to get to the sensor. If you can give me a little more info on the problem that you are having, I will be glad to further assist you.

I’m happy to assist further over the phone at https://www.6ya.com/expert/jonathan_3a3c556b4b17d1d2

Aug 20, 2008 | 2003 Buick Rendezvous

2 Answers

Air cond. just stopped today. Wife mad. PLS HELP


it may be low on freon,blown compressor fuse ,low pressure switch gone bad.start by checking fuses,then check freon,if not low, low pressure switch,should be attached to dryer, unplug short wires with paper clip.if copressor comes on,its the switch.

Aug 01, 2008 | 2002 Buick Rendezvous

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