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I am recharging the ac system in my '04 Blazer and need to know how to add oil to the compressor.

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If your just going to recharge it and nothing was replace, no need to add oil, freon will have some oil, if you replaced the a/c compr. before installing the hoses to compr. add oil into compr.

Posted on Aug 07, 2010

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Posted on Jan 02, 2017

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1 Answer

What is wrong with my a/c on my 2001 chevy blazer


That would be an indication that the system is low on refrigerant. Jumpering the low pressure connector is a GREAT way to destroy the compressor. Compressor oil is circulated with refrigerant. When low on refrigerant and jumpering, you're running the compressor without oil

http://ricksfreeautorepairadvice.com/recharged-car-ac-not-blowing-cold/

Jul 16, 2017 | 2001 Chevrolet Blazer

1 Answer

AC compressor noise


it will not eliminate the noise. you'll need to replace the bearings.besides from the knocking noise is the air coming out from the vents cold? when you recharge the freon is it totally empty? if thats the case you probably have a leak in the system . check all the lines and connections for leaks using liquid soap add a little bit of water to make it bubbly.start the ac and use a sponge.normally when there is a leak the oil will leak together with the gas so ypu'll need to add some refrigerant oil as well pag oil is best..but i'll need more details so i can help you out

Apr 04, 2014 | Mazda 323 Cars & Trucks

1 Answer

Recharge freon in 2006 jeep liberty diesel


You will need a system evacuation pump and gauges do you have these tools? If not let the pros do this recharge or the compressor may fail again. Did you add AC PAG oil to the system?

Jul 03, 2012 | Cars & Trucks

1 Answer

A/c not working


The first thing that would need to be checked would be the freon level in the ac system, the most common reason for the ac not working is due to loss of the freon, when the system is low the ac will shut down, the compressor will not engage. the only problem would be that gauges would be needed to see if its low on gas,you can trun on the ac and see if the compressor turns on, if the compressor turns on then it may not be low but if the compressor turns on and off rapidly then that is a sign of low freon in the system, i would tell you to add gas to system but not installing the correct amount will lead to compressor damage and thats costly, i would have you take it to a tech to check it out and recharge the system and add dye to help locate the leak and also have oil added to the system depending on how low the system is. good day.

Apr 10, 2011 | 2001 Lincoln Continental

1 Answer

How much compressor oil do I add when changing the ac compressor on a 04 expedition with front and rear ac?


When replacing the compressor the dryer should also be replaced, you put 2oz of oil in compressor and stand compressor on pulley for 5 min, then after install turn clutch 10 turns to pump most oil out of compressor, the dryer should have 2 oz of oil also, if you are flushing the ac system out with a solvent then more oil is needed for the system, if your just replacing the compressor then 2oz in compressor.

Oct 09, 2010 | 2004 Ford Expedition

1 Answer

How much oil do u putin new ac compressor for a 1999 Chevy Blazer


The general amount in the instructions state to drain the old compressor and if under 2 ounces then add 2 ounces if there is more then 2 ounces then add what you took out of the old compressor.Hope this helps.Good luck.

Jul 12, 2010 | 1999 Chevrolet Blazer

2 Answers

What do I need to replace to convert my ac to r134a on a 88 chevy s-10 blazer


need to have the a/c system evacuated and flushed out with the appropriate cleaner.Replace the orifice tube and drier, and purchase a retrofit kit at any parts house. Recharge system with appropriate amount of oil charge and freon. It will take less R134a than it did R12.

Sep 03, 2009 | 2001 Chevrolet Blazer

1 Answer

How to replace an ac pump?


you need a a/c machine that recovers and recharges the refrigerent for starters...recover system... take belt off... disconnect any hoses wires etc... remove fasteners.... new pump may or may not come with oil... if no oil add 4 oz. to compressor through hole... if compressor blew up- lines need flushed and drier will need to be replaced... a new drier takes about 6 oz of oil. pag is the type of oil needed....recharge system to spec...

Jul 31, 2009 | 1998 Oldsmobile Intrigue

1 Answer

I need to retrofit and recharge my 1988 Dodge Ram Ac.


First, the old R-12 must be completely evacuated fromt the system. R-12 and R-134A do not mix and won't function together. Once you are sure there's no R-12 left in the system, you need to install an R-134A fill valve on the low side AC line. This is where your refill hose will connect to add R-134A. Once the valve is in place you're ready to fill the system. The compressor requires a minimum of 20psi to engage and should not be filled to more than 45psi.

RECHARGING AC SYSTEM

1.Turn the truck on and turn AC on HIGH
2.Locate the low side AC line (will have a valve and cap similar to the cap on a tire)
3.Insert the oil or R-134A can to the hose (Do not turn the screw to puncture the can yet)
4.Insert the other end of the refill hose to the low side valve
5.Puncture the R-134A can with the screw on the refill hose
6.You should feel the system suction the refrigerant out of the can
7.Check for frost on the AC lines and the air blowing inside the truck
8.If frost develops and the air is cold, you've successfully recharged the system and disconnect the refill hose. DO NOT ADD MORE REFRIGERANT...overcharging the system will damage your compressor and will be less effective
Hopefully this answers your question and you're able to get your AC working again. Best of luck.

Jul 21, 2009 | Dodge Ram 150 Cars & Trucks

2 Answers

My air is blowing warm can i use 1342a?


The real answer to your question is yes, the kit may work. Here is why you shouldn't use a recharge kit: Theoretically, your vehicle's refrigerant (R134a) should last forever. Your AC system is a sealed unit and the refrigerant never gets used up. The only way you can lose refrigerant is by it leaking out of the system. However, if your refrigerant can leak out then air and contaminates can get in. This is bad. A recharge kit simply injects refrigerant into the system. It doesn't evacuate the system of any air and contaminates.This is critical. Your AC system should be hooked up to an AC machine in order to evacuate out all of the air and contaminates in the system. The machine will then hold a vacuum on the system to verify its integrity.Finally, the machine is able to inject new compressor oil that also contains a dye that will enable the leak to be located. If you use that recharge kit, you stand the chance of over pressurizing the AC system and causing premature compressor failure. This can be very expensive. Paying a reputable shop to evacuate and recharge your AC system is much less expensive. If your AC system hasn't operated in over 6 months, it's especially critical that you have the repair to your AC system performed correctly. Your AC system's seals may have dried out and the new compressor oil will be critical in helping to recondition those seals or the seals may need to be replaced. Good luck and hope this helps. keep me posted if you need help to recharge the system.

Jun 05, 2009 | 2000 Ford Crown Victoria

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