Question about 2002 Chevrolet TrailBlazer

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Where is the exact location of low pressure a/c port on 2002 trail blazer ? And does it have a green dust cap?

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You can distinguish the low pressure side due to its size it will be a larger thickness of piping and it should have a dust cap that will have a "L" on it

Posted on Jun 29, 2009

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2002 trail blazer will not start,fuel pressure


you might want to check to see if you got a timming chain or belt in that car.
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When an vehicle's air conditioning system has not been used for several months, the seals within the system start getting dry. I've never worked on a Peugeot 206 or any other peugeot before, that's why I had no idea where the low pressure ac port was. The high pressure ac port is the easiest to locate, because it is in the engine compartment, facing the car from the front, on left side of the radiator. The low pressure ac port is in the engine compartment, facing the car from the front, to the back in the center, under the windshield. The low pressure ac port and the high pressure ac port both have black dust caps. The low pressure ac port is the smaller of the two.

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Where is the fuel pressue port located in my 2002 chevy astro van?


look under hood for diagram of emmisions ,should be on back of engine it will have a green cap like ac type cap with green tag on it ,ststing fuel port. good luck hope it helps.

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I have a 2002 Trail Blazer it not cooling The compressor kick in and out and low side reading 150? What do I need to check?


It's impossible for the low side to read 150 PSI, typical pressure is 35 - 45 PSI. Are you sure you are on the low side and not on the high side? If your compressor is going on and off, maybe your pressure switch is bad or the low side pressure is too low.

Aug 15, 2011 | Chevrolet TrailBlazer Cars & Trucks

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I need a diagram of the A/C low pressure port on my 1996 chevy blazer. I know it is aways on the larger diameter tubing but it seems the port seems tube seems to be coming right off the side of large...


Find a shiny aluminum canister under the hood thats bigger than a soda can and follow the tubing that comes out of it back towards the front, you will come to a valve similiar to an air valve stem on a tire. The valve has a black plastic screw off cap. That is the low pressure port. The high pressure port is located behind or near the a/c compressor

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Where do i put the R-134a in on a 2002 volvo s60


On the low pressure valve located between the compressor and accumulator. The low pressure port has a black or blue cap covering the recharge valve. Don't worry, you can't connect the hose to any other valve port but the low side, the hose end is different from the high side. The high side has a red cap, and is not a recharge port.

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FACING THE CAR, WHERE IS THE EXACT LOCATION TO ADD FREON TO A 1997 CHEVY MALIBU. WE FOUND A RED CAP BUT UNDERSTAND THIS IS NOT WHERE YOU SHOULD ADD. HELP .....


The low pressure refrigerant port is near the firewall2.gif, just after the receiver/dryer. You'll need a gauge and preferably an ac test manifold. You can use the manifold to add refrigerant up to the point where the system maintains the pressure level in the green area. There should be a blue cap on the low pressure valve.
I believe your malibu take's 12 ounce's of R134, don't over charger the system. You'll blow O rings and worst kill the A/C compressor.
Good luck and hope this helps. Here is a link for A/C recharging. http://www.geocities.com/vantaray/air_conditioning.htm

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02 chevy blazer 4.3l blowing hot air out of a/c want to charge with r134a but nothing is marked on engine for low port/ high port have 2 options one is on cyclinder part and other is on the line.


The one with the blue color cap is the low pressure side. The smaller of the lines is the high pressure side and should have a red cap on the fitting. Hope this helps and best wishes/

Aug 08, 2009 | 2002 Chevrolet Blazer

2 Answers

Which port is used to add refrigerant to AC on1999 Blazer


The low pressure port is on the drier (the silver cylinder by the blower motor on the passenger side of the vehicle). screw off the black cap and hook your adapter on to it.

Aug 08, 2009 | 1999 Chevrolet Blazer

3 Answers

WHERE IS THIS PORT LOCATED?


You have to take off the Front Grill pop the plastic holders on top then pull very hard. It will come off. let me know if that fixes it i went to recharge mine and it was completely full. They said i had a clogged condenser.

May 20, 2009 | 2002 Suzuki XL-7

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