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Proper method for adding Lubricant (and amount)

y2k600f4 on Mon April 07, 2008 3:14 PM User is offline

Year: 1980
Make: Chevrolet
Model: Camaro
Engine Size: 5.7L
Refrigerant Type: R134a
Country of Origin: United States

Just placed my first order with A/C Kits...lightening fast in getting your order out !!! Can't wait to get my parts for my R12 to R134a conversion. This site has been very informative and helpful.

Plan on changing out the accumulator, replacing all o-rings and gaskets (using proper o-ring lube), changing the orifice, adding 8 oz (??) of BAV Auto 100 lubricant, converting to R134a adapters etc. System was previously taken apart and I am not sure if the compressor was drained (I think it was). I have read the oil capacity is 10 oz (???) and I want to make sure I do not overfill the system with too much oil. Can I just remove the compressor drain plug to verify the compressor was drained previously ?? Should I then add 8 oz or 10 oz of oil since the accumulator is being replaced?

My question is where is the proper place to add the 8 oz (proper amount??) of BAV lubricant ? I believe I read you add a few onces throughout the system such as accumulator (25%) and compressor (75%) ?

After adding lubricant I plan on pulling vacuum overnight....if that checks out I plan on adding refrigerant and adjusting the pressure cycling switch.

Thanks.

Edited: Mon April 07, 2008 at 4:04 PM by y2k600f4

Chick on Mon April 07, 2008 4:05 PM User is offlineView users profile

Does your compressor look like this one?? (R4)


If so it takes 8 ounces and you can put four in the compresor and the rest anywhere, accumulator is best..


If it looks like this (A6) then the capacity is 10 ounces and you fill the sump before installing, and what doesn't go into the sump, add anywhere you can..

Hope this helps

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Chick
Email: Chick

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Freedoms just another word for nothing left to lose

y2k600f4 on Mon April 07, 2008 4:29 PM User is offline

Thanks Chick.

I have the A6....sounds like I need to remove the compressor and fill the sump. Can someone confrim this ? (others have told me just to add 8 oz of new oil to system...but I want to do it right the first time)

I am not completely sure 100% if the installer drained the compressor before installing. Was told system was ready for a "re-charge"....decided to upgrade to R134a changing out accumulator, orings, gaskets and new oil etc

Thanks.

Chick on Mon April 07, 2008 4:35 PM User is offlineView users profile

Remove the compressor and drain the oil from the drain plug on the side. Use some extra to flush out the old oil (Shipping oil) since you don't know what type they used anyway. If they shipped it with mineral oil, you can ruin the compressor using it with R134a. Refill as much of the ten ounces back into the sump, the rest in the accumulator...Hope this helps..

-------------------------
Chick
Email: Chick

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Freedoms just another word for nothing left to lose

y2k600f4 on Mon April 07, 2008 4:44 PM User is offline

Thanks again for the fast response !!! I will remove the compressor and do what you suggested

(BTW the compressor is not new...since I don't know if or what oil is in there I will drain)

Thanks.

MonteSS on Mon April 07, 2008 5:08 PM User is offline

I am putting the R4 type on my Chevy Monte Carlo SS with the serpentine belt compressor from the 89 Camaro. What PAG viscosity should I use 46, 100, 125, or 150?

Chick on Mon April 07, 2008 5:43 PM User is offlineView users profile

If using PAG use 150 viscosity oil... Flush the system of all the mineral oil first...hope this helps..

-------------------------
Chick
Email: Chick

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Freedoms just another word for nothing left to lose

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