Question about 1997 Isuzu Rodeo

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Where is the low pressure valve located under the hood? I bought an a/c refill from the store and the directions say to locate the low pressure valve on larger aluminum tubing between the evaporator and compressor. I'm pretty sure I found it, but my car manual doesn't show the valve so I'm not positive. Is it the valve in the upper right side under the hood? Thanks!

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Yes and if the connection on the refil hose doesnt lock on thenit isnt the right one. The are tw a/c connections one larger then the other and its the smaller of the 2 u want

Posted on Jul 21, 2009

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Posted on Jan 02, 2017

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Location of low pressure port 1996 pontiac firebird


Hello,
The low pressure port for charging the A/C system is located on the larger aluminum tube coming from the A/C compressor. It is usually located in the tube line near the accumulator. That is an alumninum cylinder about the size of a soda can or slightly larger usually located close to the firewall along the left fender side well. It will have a plastic screw on cap on it, usually stamped with an "L" on top. Your recharge hose will only connect to the low pressure side, the high pressure port is a different size valve for safety reasons. You can only get an accurate pressure reading with the engine running and A/C running at max cold. blower on high speed, after about 5 minutes of A/C operation. Temperature outside will also have an effect on the pressure reading, optimum ambient air temperature of 70-80 degrees farenheit. Directions for recharge are on your R134a refill kit, but the system does require 20-30 PSI for the compressor to kick on. If your compressor is engaging while you are refilling, you can probably do it successfully. If your pressure is extremely low and compressor does not kick on, you most likely have a leak in the system which will have to be found and fixed before you can charge the system......Mike

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I have a 1997 oldsmobile achieva. I am trying to locate the car's low pressure valve to recharge the air conditioning with freon. Where is it? Thank you


The low and high side valves are located under the air filterbox, if you open the hood and remove the air filter box you will see the valves ,good day

May 26, 2011 | Oldsmobile Achieva Cars & Trucks

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Add freon


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1 Answer

CHARGING THE AIR CONDITIONING SYSTEM Where is the valve to connect the refill cylinder?


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1 Answer

Ac highside charge line location


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1 Answer

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please rate as fixed if this helps you.

The low pressure service gauge port valve is located on the evaporator to accumulator/drier suction line.


The evaporator to accumulator/drier suction line contains low pressure refrigerant gas and is equipped with a serviceable low pressure A/C charge valve port.

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1 Answer

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1 Answer

Im looking for the por`t `to charge my a/c system in my 2005 dodge darango


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3 Answers

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Sep 22, 2008 | 2001 Chevrolet Malibu

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