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Old 07-21-2017, 08:38 PM
LoneWolf LoneWolf is offline
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Default AC help

2006 Dodge Ram 3500 Recharging entire AC system replacing evaporator can. Problem is I know air/water will be pulled out but do I need to add PAG oil. Thanks
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Old 07-22-2017, 12:05 AM
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MrBill MrBill is offline
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Some cans now contain the oil I believe. That is the way I would go.
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Old 07-22-2017, 10:54 AM
BowtieBilly1121 BowtieBilly1121 is offline
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Some cans now contain the oil I believe. That is the way I would go.
That is the way I done it on my Dodge Ram 1500 also when I replaced the A/C with a new one off e-bay cheaper than I could buy a rebuilt one from the parts house.

PS I used the cans with oil in them also when charging my A/C ..

Last edited by BowtieBilly1121; 08-14-2017 at 04:21 PM.
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Old 08-09-2017, 08:23 PM
bman16 bman16 is offline
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2006 Dodge Ram 3500 Recharging entire AC system replacing evaporator can. Problem is I know air/water will be pulled out but do I need to add PAG oil. Thanks
Some say to drain the oil out of the new compressor, measure that then add to it the manufacturers recommended amount. This is a great question because to much oil is as bad as not enough. Everything I have read is about 7.2 to 7.75 ounces of oil total for an empty system. Hope this helps. I just noticed that you didn't change the compressor I would throw in about an once and a half of oil then vacuum and recharge.

Last edited by bman16; 08-09-2017 at 08:27 PM. Reason: Need to answer more
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Old 08-09-2017, 09:21 PM
LoneWolf LoneWolf is offline
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Well tried to recharge but compressor didn't kick on so I may take it to a shop. Son in law has a buddy who does it but waiting 2 weeks for answer to work on it is enough, shop time.
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Old 08-14-2017, 04:22 PM
BowtieBilly1121 BowtieBilly1121 is offline
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Well tried to recharge but compressor didn't kick on so I may take it to a shop. Son in law has a buddy who does it but waiting 2 weeks for answer to work on it is enough, shop time.
You may have to pull a vacuum on it before it can be recharged.
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Old 08-15-2017, 12:10 AM
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You may have to pull a vacuum on it before it can be recharged.
That is the best way. Take it to a professional that has a good machine and they will do the job right.
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