Question about 2000 Pontiac Grand Am GT

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Air compressor when i took the air compressor off of the vehichle i let out all of the oil and freon. I got a bottle of R134a 18oz. can now it says that there is oil in the can but it doesnt say how much. Can u tell me how much oil needs to go into the compressor. Oh and can u tell me if the compressor having no oil in it can keep the car from starting.

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It is all preditermined per lb / no but it will make some noise

Posted on Jan 24, 2009

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2 Answers

AC QUIT COOLING THE HOSE LOOKED REALLY OILY AND WET. CAN YOU TELL ME HOW TO ADD FREON. IT LOOKS LIKE THERE IS THREE VALVES AND I DONT KNOW WHICH ONE. CAN YOU TELL ME HOW TO DETECT A LEAK. THANKS A BUNCH...


DEBBIE, the system already had a leak=oily hoses, so it's already DISCHARGED.

besides the R134a freon that you need, you'll probably have to add some special OIL to it as well or else you risk damaging the compressor!

using one of those freon kits w/ some sealer and uv dye already added may or may not help, depending on how bad the leak is. for those DIY kis, the valve is only going to be attached to the LOW side of the system (one size - one fit) all the r134a systems will have 2 sizes so you can't tap into the high side with those DIY kits

but then, you'll just be guessing at the amount of AC compressor oil to add as well... so a pro may be needed to complete this job properly

when the leak is found & repaired w/ a new gasket/ o-ring/ or whatever part that had failed, the professional will evacuate the system & keep the vacuum pressure for a few minutes to confirm no more leaks after the repairs.... this also makes sure there is no residual moisture to rust out the parts from the inside. then he measures the correct amount of freon and "recharge" the system.

ac-quit-cooling-hose-looked-really-oily-nbwx5cqpkktgdqykecvs31tl-3-0.jpg

Mar 17, 2015 | 2006 Nissan Altima 2.5

1 Answer

Replaced all A/C major components (compressor, filter-drier accumulator, and orifice tube) except condenser due to a seized compressor and failed clutch bearing. Flushed system and appeared to have no...


It sounds like you've done just about everything except to check if there is a bad or intermittent wire causing this or perhaps your low-pressure safety cutout switch is possible going bad causing the compressor to kick on and off?

Nov 01, 2013 | Lincoln Town Car Cars & Trucks

1 Answer

Change r12 to r134 freon


You have to recover and vacum all air and fluid from system, then change compressor to do it roght if you dont oils will not mix and may cause compressor failure. then re vac the system and fill with R134A

Jun 13, 2012 | 1985 Nissan Pickup

1 Answer

I need to know the amount of refrigerant oil to put in new air cond. system on a 1993 GMC pick-up, v-6., standard trans.


Hello barksdale fr: My name is Roger and I will help you. The amount of a/c oil is 8.0 oz. If you are converting to R134a freon you need to use oil that is compatable with that freon. Also if you are converting the system use 10% less freon with R134a otherwise you will over charge the system. Be syre to use the propper orfice tube for the R134a freon if converting. Should you need further help please just ask. Please rate the answer. Thank You for using Fix Ya. Roger

Jul 16, 2011 | 1993 GMC Sierra K1500

2 Answers

The air is blowing out hot. how fo i fix


If the a/c compressor clutch is not engaging, then the freon or r134a pressure may be low.

Pressure on the low side should be 25 psi to 45 psi.

Since your car is a 1990, it may have been made before r134a was used and may require an r134a retrofit kit that includes oil, r134a, and adapters to update the a/c.

R12 used to be used but is very expensive and requires a certified techncian and recovery and recycling equipment to use, and probably would leak out faster than the r134a system.

Aug 10, 2010 | 1990 Chevrolet Corvette

1 Answer

How do I remove the Ac oil in my 89 corvette when switching from freon to 134 . How much should be added and where?


I have upgraded or retrofitted older cars with r134a before with the ester oil and never had any problems with the refrigerant working with the old oil, as long as you put a few ounces of the new oil in.

The kit for r134a conversion from R-12 has everything you need to upgrade without removing all of the old oil.

Of course, in the early days of r134a conversion in the early 1990s there were people who recommended that you take the whole system apart, compressor, piping, receiver drier, etc. and replace the receiver drier and dump out the old oil.

In my opinion, this is a very expensive proposition, and good to excellent air conditioning can be had by following the R134a conversion kit instructions and installing 2 or 3 cans of refrigerant into your system.

This can be done by yourself.

Watch, if you're in California, you have to return empty cans of R134a to the store because they say that it is harmful to the environment and they want to keep track of it.

Good luck staying cool with R134a.

Jul 09, 2010 | 1989 Chevrolet Corvette

2 Answers

On my 2003 Chevy Silverado, the A/C compressor won't kick on. Just blows out warm/hot air.


The ac system may need freon added,if the system is low,or out of freon,it will not allow the ac compressor to come on.

Apr 11, 2010 | 2003 Chevrolet Silverado 2500HD

1 Answer

Directions to convert a 1994 Nissan Quest from r12 freon r134a


used to be a big deal. today, you can buy kit from autozone or other auto store and do it yourself. Need to discharge R12 into reclaimer so it does not go into air and pollute air.

Then, install R134a fittings on lines, add r134a feon in proper amount with new oil. leave old oil in system. you can buy cans with oil already in the can with the freon. probably need about 6 ounces of oil.
lot's of websites tell how to do this. vidoes on line too.

good luck

Aug 04, 2009 | 1994 Nissan Quest

2 Answers

Compressor is not staying on


39 0Z R12 (If it has not been retrofitted to 134A)
And 8 0Z of A/C Mineral oil


Please take time to rate this fixya

May 13, 2009 | 1992 Cadillac DeVille

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