Question about 2003 Pontiac Grand Am

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2003 Pontiac grand am.. trying to recharge ac. doesn't fit high side and low side is to hard to access with store bought ac can and gauge. how do we recharge?

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OK After reading and looking some said it was a green cap some said a blue cap some said it was up front some said it was on the fire wall.. so the answer is , Its a blue cap and you cannot see it it !! look directly in the BACK of engine in the center , look all the way down you will see 2 aluminium large line , reach your hand down and follow the line it will curve around a bit and you feel it!! but wont see it it .. just unscrew and plug the refill line .. Have an Awesome day ! 2003 Grand Am 6 cylinder!

Posted on Jul 10, 2013

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Since you have to charge it on the low side, you will have to get another setup to charge the a/c, or take it to someone and have them charge it.

Posted on Mar 18, 2011

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Posted on Jan 02, 2017

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1 Answer

Where is the low side 2001 pontiac grand am how do i recharge my ac


find the leak first as ac systems do not use gas --just leak it out
to recharge use the correct manifold gauges and pressurize through the low side port sucking in the gas until the correct pressure is reached
it is not an amount of cans to use

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If the compressor is working, a mechanic would check the low and high gauge pressure.
The freon has to flow thru the system to work, and the cooling fan draws air thru the condenser to get rid of the heat from inside the car.
If the ac clutch is working but the gauges show equal pressure, the compressor may be faulty.

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How hard would it be to add AC to a 2004 Cavalier Ecotec?


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We have a 1997 pontiac grand am and the r134a kits we buy dont fit the high side fitting for the AC. I cant find anything but the Red capped one in front of the radiator. Is there another one and if so...


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I was going to recharge my air con unit with 134 refrigerant, and the connection from my kit are not compatable. Help!! 1995 pontiac grand prix 3.1


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3 Answers

R134a recharger nozzle won't fit on low pressure service port.


The low pressure port on the 2003 grand am is actually behind the engine, near the firewall on the passenger side. Good luck getting your hose down there though, I ended up buying an extension hose.

Jul 24, 2009 | 2004 Pontiac Grand Am

1 Answer

Where is the low side service port on a 2003 grand am (6cyl)


If your talking about the low side sevice port to charge your ac, its easy to find. With your recharge kit, it comes with a nozzle to attach to this lowside port. Each port, (lowside and highside), are different diameters. The charging nozzle will ONLY fit onto the lowside port. Just run the length of your ac lines from the compressor and trace them back to the firewall. You should find both ports before you hit the firewall.

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1997 Pontiac Grand Am SE High & Low Air Conditioner Service Valve


The connection at the evaporator is the low side and if you have 134A you cannot use r12 gage set.Get the 134A gage set!

Jun 24, 2009 | 1997 Pontiac Grand Am

1 Answer

1995 pontiac grand am: AC


You take your car to the nearest licensed automotive A/C shop and have them evacuate the system and recharge.

I'm saying this because once you have opened the system, you have let moisture into it. Even a small amount of moisture will damage your A/C system, and needs to be removed. Also, they will know just how much refrigerant to put into the system once it is moisture free.

Apr 19, 2009 | 1995 Pontiac Grand Am

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