Question about 1998 Dodge Ram 1500 4WD

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Amount of R134A refrigerant and compressor oil to use in system?

For a 1998 Dodge Ram 1500, 2WD, 5.2 liter

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  • lhelms675 May 28, 2009

    Thanks! Especially the information about the oil. When in doubt, go to somebody that knows. Could save yourself a lot of worry plus big bucks!

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  • Dodge Master
  • 6,982 Answers

Sticker should be right on top of compressor...Don't use anything with sealer in it. I don't recommend doing anything else but perhaps a squirt into a known good slightly low system without complete equipment and training or it can cost more in the end than having it done for you.

Posted on May 28, 2009

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1 Answer

How much Freon and oil do I need to add to a new used compressor


13oz of PAG46 oil. Be sure to vacuum down the system after you put the oil in. Let the vacuum pump run for about 30min or more.

Then roughly 46oz of R134A but you want to use gauges so you dont over pressurize due to ambient temperature.

Sep 02, 2015 | 1998 Dodge Ram 1500 4WD

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Why wont the a/c clutch kick on on my 1998 dodge caravan 3.3 litre?


The r134a pressure may be low in the refrigerant lines causing the compressor to not engage as a safety measure for the compressor.

Sep 02, 2010 | 1998 Dodge Caravan

1 Answer

Put new ac compressor on how do i charge ac


You need to also repalce the drier, make sure the compressor has the amount of oil required, vac down the system then charge with proper amount of r134a.

Aug 01, 2010 | 2000 Dodge Grand Caravan

1 Answer

What is the proper procedure on adding freeon to airconditioning to 1999 dodge ram


This job requires special tools and special training. If you lack either, you risk SERIOUS personal injury. Injury comes VERY EASILY!

You need to address oil levels, proper and legal refrigerant recovery, system evacuation, and recharge.

You were planning to also replace the receiver/dryer, correct? It also needs the oil in it measured and incorporated into the amount of oil (in %) that would need to be added. FAILURE to address these and other issues will guarantee premature system failure and likely compressor damage.

Take this job to a qualified shop.

Sorry

Jul 26, 2010 | 1999 Dodge Ram

1 Answer

How do I recharge the Air Conditioning system on my 2005 Dodge Caravan


This should be done by a professional. However I will share the basics with you and you are free to attempt at you own risk. Let me start off by stating that if your A/C system isn't working is either due to a leak or a component failure. You should first determine the reason for the problem and repair it. Once this is done you should evacuate the A/C system using a refrigerant recovery system and insure the system holds a vacuum. If it holds a vacuum then you can proceed to install the required R134A refrigerant and PAG oil. Oil in the system is very important to insure a long life for the compressor. There are two lines off the compressor, on small line (high pressure side) and one large line (low pressure side). Each line has a fitting on it. Sometimes the LP side will be on the dryer ( looks like a aluminum can about 4" round). With a vacuum in the system you attach the new refrigerant to the Low pressure side (big hose). Do not open the can until you have started the vehicle and have the A/C running with the fan on full. Once you have the engine running you can start opening the valve on the can to add refrigerant. However be sure not to over charge the system. A label under the hood should specify the correct amount. IE 2.2Lbs R134A
Once you have inserted about a pound of refrigerant you should notice the A/C compressor clutch locking in and starting to cycle. Once you have reached a 3/4 charge the clutch will stay engaged until the desired temperature inside is reached or until the head pressure on the pump becomes to high of hot.
That about it in a nut shell. You should also use a digital thermometer in the vents inside to see what the exiting air temp is. A 20 degree air difference between ambient vehicle air and A/C air is a good number.

Jul 24, 2010 | 2005 Dodge Caravan

2 Answers

How do you replace the ac condenser on a 98 dodge 1500


This job requires special tools and special training. If you lack either, you risk SERIOUS personal injury. Injury comes VERY EASILY!

You need to address oil levels, proper and legal refrigerant recovery, system evacuation, and recharge.

You were planning to also replace the receiver/dryer, correct? It also needs the oil in it measured and incorporated into the amount of oil (in %) that would need to be added. FAILURE to address these and other issues will guarantee premature system failure and likely compressor damage.

Take this job to a qualified shop.

Sorry

Jun 28, 2010 | 1998 Dodge Ram 1500 4WD

1 Answer

I just replaced the comp, the dryer and the orfice tube in my 2005 dodge ram 2500 with the 5.9L diesel, what oil and how much do i put in my ac system?


Tip the drier upside down and allow some of the oil trapped in the drier to drip into a small container. Smell the oil. If it smells like fruit then it is an Ester based oil. Look at the label on the compressor as the type of oil used in the compressor should be listed on this label and NEVER use a different type of oil then the one listed as the oils are NOT mixable. The amount of oil is depndent upon the size of the system and the amount the compressor has been initially filled with. Check with the vehicle manufacturer or a local Air Con service centre as they will be able to advise regarding amount. If you add the oil yourself, remember that all the synthetic oils used with modern refrigerants is a health hazard and can cause dematitis and severe skin irritations. Certain types of oils are also known to be carcinogenic so wear gloves and face protection. Remember that too much oil is worse then not enough as overcharging the oil can cause flooding in the condenser and reduces the ability of the condenser to allow the transfer of stored heat out to the surrounding air..

May 21, 2010 | 2004 Dodge Ram

2 Answers

How much oil do I add to the ac compressor


It depends if you are replacing the compressor, if so normally runs about 6 ozs. to 8 ozs. depending on size, check the charge sticker to see what the total freon charge amount is and get back to me. Also is it R134A or R12? it makes a difference on what oil you are using so you don't mess up the system. And do you have the system open? Let us know. every car is different in quanity.

Jul 09, 2009 | 1996 Dodge Ram

4 Answers

A/c charge amount


the system specs. are

oil- pag nd-8 4.8oz

r-134a 29.0oz

if the system is empty and the oil level is correct then the amount of freon needed is
1.8 pounds
or
2.4 12 oz cans

Jun 14, 2009 | 1996 Dodge Neon

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