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Where is the port to add freon on a 2001 alero

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ON THE LOWSIDE OF AIR SYSTEM.LOOK UNDER THE HOOD,MAYBE PASSNGERS SIDE AND REMOVE A VALVE STEM,LOOKS LIKE VALVE STEM ON TIRES TO ADD AIR.IT WILL HAVE A BLACK SCREW OFF CAP NEXT TO THE A/C DRYER OR DEPENDING ON THE ENGINE SIZE.SUGGEST YOU FOLLOW THE A/C LINES FROM COMPRESSOR TO THE DRYER,THE SMALLEST PORT WILL BE THE LOW SIDE THAT ALLOWS FREEON TO GO IN,BUT! I SUGGEST THAT IF YOU HAVE NEVER INSTALLED FREEON,PLEASE DO NOT ATTAEMPT AS YOU MAY BLOW A COMPRESSOR SEAL WHICH CAN COST AS MUCH AS A $1000.00 FOR PARTS ONLY! IT'S WORTH INVESTING $50.00 FOR LABOR AND $75.00 IN PARTS VERSUS THE OTHER RIGHT? RESEARCH,RESEARCH

Posted on Apr 08, 2011

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1 Answer

How do remove the pressure ,before you add r34 cooler


you never work from the high pressure side of an a/c system. EPA requires it to be recycled, freon is removed using a vacuum tool on the low port until the system holds vacuum for 5 minutes. Then the recycler is removed and freon is added. You mean R134 right?

Aug 20, 2012 | 2001 Volkswagen Beetle

1 Answer

Tring to add freon where is low presure switch


Follow the large low pressure line coming from the firewall,going into the passengers compartment under the windshield ,it will have the low pressure service port on it,and it is the only service port the service hose you have will fit.

May 09, 2010 | 2001 Plymouth Neon

1 Answer

How do i add freon to my 2001 chevy tahoe


Follow the large line from the firewall it is the low pressure line,it will have the service port on it.Use the one hose kit from the auto parts store and apply the freon can on one end,and clip on the other end on the service port,then start the engine turn the ac on high bloewer motor,and max air,or recirculation,

Apr 12, 2010 | 2001 Chevrolet Tahoe

1 Answer

Cant find low pressure valve to add freon


follow the larger ac line of the to sizes until u come to a port it is the low side ,is the smaller port this is what u want

Jun 27, 2009 | 2001 Ford Taurus

3 Answers

Where is the valve to add refrigerant to my 2001 Ford Expedition's A/C system?...It does not blow as cold as it used to and I want to try this before bringing it in to the shop


I just did this on my f150 supercrew, which looks identical to my 2000 expedition. follow the freon lines, usually next to the battery, to the firewall. tucked against the firewall is the condensor and just above it is the low pressure access port. I topped off my freon using a kit with a pressure gauge. the before pressor was 40, and after the freon addition was 50. Made ALL the difference between a slightly cool AC and FREEZING COLD AC. Total cost with tax for the kit was just under $30. The kit inclued an 18 oz refill container (17 oz freon + 1 oz synthetic lubricant in the can) and reusable hose/pressure guage.

Jun 26, 2009 | 2001 Ford Expedition

2 Answers

How do I add coolant to the air conditioning system of my 2001 Hyundai Elantra?


You need to locate the low port on the AC.

You recharge the AC connecting to the low port.

You find the AC low pressure at the top of the compressor. Near the compressor you find two ports, the high port and low port.
You can follow the compressor line to reach the port.

To find out which one is the low port, run the air conditioner for a couple of minutes withthe engine on.
Then turn off the care and touch the lines from compressor to the two ports , often covered with plastic caps. Only one of the pipes will be cold, the line that is cold will lead you to the low port.

Jun 18, 2009 | 2001 Hyundai Elantra

1 Answer

Can't locate the Low Pressure Side service port of 2001 VW Beetle


Unfortunately I am aware of no pictures or diagrams. There are two connections, a low pressure and a high pressure connection. The high pressure connection is found between the engine and the firewall. The low pressure connection is in front of the engine along the inside lip of the hood closure. As you open your hood, it's located just in front of your lefty knee. The connection is on an aluminum tubing, and mine has a black screw cap on it. Not sure if the cap varies in colors, or whether your may have been removed. The connecting hose from your freon refigerant H134a will ONLY fit onto the low pressure connection. The charge is just a bit more than 2 pounds of freon. In a 2001 you may need to add more than i can if the car has never been recharged, but start with one can and see how it goes. You may also want to add a freon with a sealant just in case you have a small leak. One can is approximately 13 ounces.

Jun 07, 2009 | 2001 Volkswagen Beetle

2 Answers

Cant find the low pressure port to charge a/c on 2000 olds alero


It should be near the compressor on the low side line. It is a huge pain to get to. Feel along the line, and you should come to the fitting.

Mar 05, 2009 | 2000 Oldsmobile Alero

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