Question about 2003 Oldsmobile Alero

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How to add freon, Oldsmobile Alero 2003

I've never added freon to a car, is this an easy thing to do or is it best to have it serviced?


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Posted on Jan 02, 2017

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SOURCE: Where is the fuel pressure regulator on a 2003 oldsmobile alero?

There are 2 fuel lines connecting to the fuel injector rail. The larger line is the pressure line and the smaller line is the return line. The smaller line attaches to the fuel pressure regulator. You will notice that the regulator also has a vacuum line attached to it. If you are planning on changing it your self, let me know. There is a specific way to change it for safety reasons.
Let me know.

Posted on Mar 10, 2009

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SOURCE: how do you change the fuel pump on a Oldsmobile

your fuel pump is in the gas tank. you have to drop your gas tank. at a shop it sould 2 to3 hr to chang it. depands on how much gas is in it

Posted on Apr 01, 2009

  • 37 Answers


Yes, it is sealed, but that doesn't mean it is leaking, otherwise why do you need to 'service' it every year? Small amounts escape under normal operating conditions until one day it doesn't cool so well. That said, you need to know what you are doing when handling freon and have some competency with the procedures. This can be learned, and there are lots of places to get guages nowadays. But you MUST be up to the task and it is best to have someone walk you through the first time. And of course read up on it and your guage manuals before you even think about checking your pressures. Get a real manifold guage & learn how to use it, not just those little guages that come with a can.

NOW, a '92 model Honda probably uses R-12. In that case you must convert to R-134-a or another equivalent. At least this means you must change the seals, dryer, expansion valve, etc with specific types of parts for the refrigerant you convert it to. Before you do this, I'm sure someone will pull down your old R-12 into their recycler for free. R-12 is expensive and they are not making anymore, so don't let anyone charge you for giving them a rare commodity if you even have just a little bit left in the system. Get a conversion kit, change the fittings & the seals, dryer, etc, -check with your supplier- then have it professionally vacuumed & charged. You'll still save a bunch by doing what you can & have a pro recharge it

One last thing, if it turns out you have a leak there is a probe guage you can get at Harbor Freight tools to check for leaking halogenated gases- ie Freon. Regular price is 69.99 but you can usually get a coupon or other bonus to sweeten the deal. This tool is better than the other way, which you can't do if you have R-12- no leak finder refill charge with red dye is available. The other way for 134-a is a UV dye that is added, or to light it with a special torch, but that can expose you to killer phosgene gas used in chemical warfare during WWI. Some things are better left to those with the equipment & expertise.

If you have 134-a, then invest in the guages (provided you are up to the task) and top off with a can with the UV dye, that way when you really have a leak you can find it with the special glasses & UV light it comes with.

Posted on Apr 29, 2009

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SOURCE: We need to reset the computer on a 2003 Oldsmobile Alero

HI there if the scan tool you are using will not reprogram the theft module the try the 10 min relearn

  1. Turn ON the ignition, with the engine OFF.
  2. Attempt to start the engine, then release the key to ON (vehicle will not start).
  3. Observe the SECURITY telltale, after approximately 10 minutes the telltale will turn OFF.
  4. Turn OFF the ignition, and wait 5 seconds.
  5. The vehicle is now ready to relearn the Passlock™ Sensor Data Code and/or passwords on the next ignition switch transition from OFF to CRANK. Important: The vehicle learns the Passlock™ Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle.
  6. Start the engine. The vehicle has now learned the Passlock™ Sensor Data Code and/or password.
  7. With a scan tool, clear any DTCs if needed. History DTCs will self clear after 100 ignition cycles

Posted on May 03, 2009

  • 1 Answer

SOURCE: How do you change a serpentine belt on a 2003 Oldsmobile Alero?

Brute force - you have to pry up the tensioner pulley. The way we did it was put the belt over the alternator and A/C compressor, and get it back in place around the main bearing pulley. Then we took a bar and forced up the tensioner and slid the belt over the main bearing pulley. Voila . . .

Posted on Jul 12, 2009

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1 Answer

00 vw bettle air condition air is not cold, but full of freeon, what to check, also heat is cold

you dont have freon at your ac , you have R134A gas. Second thing is what was the pressure on HP and LP after ac service, how much gas was added. The second thing is what climate control you have at your car, if automatic check dtc, if manula check connection on relay for ac clutch. Its very easy to find but i need more details ...

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I suggest that you take your Mazda to a service facility to have the air conditioning problem corrected. Adding Freon from a can just wastes Freon

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My air conditioner works but does not cool . i have added freon the last two years and fixed the problem ,did the same thing this year but did not help .

When self adding freon after it leaks out you get air trapped in the system. After adding freon a couple of times the air expands not leaving room for the needed freon. To continue adding freon with air tapped will knock the compressor out pretty quickly, there's not enough room for both & the air is keeping the freon from being able to cool properly give the false indication of being low on freon. The freon you are adding has the dye added to assist in finding the leak since freon does not evaporate nor dissipate it its being leaked out. A black light will assist locating the leak. The best thing is to have the unit checked & serviced by a mechanic...he'll charge about $ 150.00 to check for leaks, remove the old freon...his machine will tell him how much air its trapped in the system by how little freon is removed. For the service fee he will replace valves & gaskets, where needed, correcting most leaks. After sucking the system down & recharging the problem should be corrected.

Jul 19, 2011 | 2001 Dodge Ram 2500 Truck

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Should i see bubles n the little glass when i've added enough freon to the A.C.

You will see bubbles when freon is, keep adding freon untill you see "no more bubbles" (clear) soon as it is clear STOP adding freon...You should be good to GO...

Jun 11, 2011 | 1992 Honda Accord

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Where do I put freon in a 1996 Buick LeSabre?

usually the service port is located on the accumulator. this is the big can looking silver thing under the hood. although i dont recommend just throwing freon in it without the proper gauges to monitor the high and low pressure. you can damage the compressor and components. if your leaking freon having it repaired is more logical then adding freon and having it leak out again. hope this helps

Feb 05, 2011 | 1996 Buick LeSabre

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The AC on my 2007 is not as cold as it needs to

It may be low on freon but that is usually installed by a service tech anyway. putting in freon isn't like putting in oil...
Maybe you can find a shop along the way who can check your freon level and put in more if needed.
Hope this helps... Good luck!

Jul 09, 2010 | 2005 Chevrolet Equinox

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Added freon to ac and car will not cool

Needs to be checked for a freon leak, best way to do this is to recharge and add dye, with a uv light you will be able to fine the leak, most auto parts sell the dye, and the flash light you will need to fine the leak, good luck.

Jul 08, 2010 | 1999 Oldsmobile Alero

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How do i service the ac?

there is a do-it-yourself kit at parts store. it contain freon and hose with a gauge, the low side should be around 40 psi when the system is good

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I think I added "liquid" Freon to my Cars A/C, what do i do?

yes purge it and pull vacuum then recharge it should be around 30or so lbs

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