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@BehindTheCounter_TFSO 2 күн бұрын
Whoever put together this KZfaq video clearly doesn't understand DENSO installer base. They don’t appreciate the musical background and would have preferred a more straightforward approach, perhaps even something generated by AI
@Altprophet 25 күн бұрын
Drain the old compressor and measure the oil, drain the new compressor and add that much back in. Done.
@firstielasty1162 Ай бұрын
I made a system for an rv with denso compressor. No manual, therefore, to consult for the proper amount of oil. This system has components "vertically spread"...the condenser is about 7 ft below the evaporator. Compressor approximately in the middle.. I suspect that oil would tend to accumulate in the condenser, possibly under oiling the compressor, the only part that really needs it. The lack of information or guidance on this is frustrating...it works, I must not be too far off. If a company would like to sell to fabricators, I suggest they give thorough info on this, it is very important.
@markk3652 Ай бұрын
Lets not forget to stand the compressor up on its clutch end to oil the shaft seal. 10 minutes of vertical with a turn or two of the compressor innards will ensure no leaks.
@giorgio. Ай бұрын
Good tip, thanks!
@coldlogic800 Ай бұрын
Standard procedure is to rotate a new compressor by hand at least 10 times. That's after adding oil of it was shipped dry. To be clear, hand rotate prefilled compressors also. That's an industry standard excepting rare designs.
@henrymorgan3982 Ай бұрын
I like how the guy "takes out" the compressor in less thn ten seconds! Great info video.
@0163844098 Ай бұрын
No wonder my car was overfilled with refrigerant after replacing the compressor, the mechanic didn't know to drain some of it out before installations.
@anthonygorham5299 Ай бұрын
This only works if u didn’t previously have a leak, if u had a leak there’s no way to know what you’ve lost.
@mikeadler434 Ай бұрын
👍👍
@tjts1 Ай бұрын
Who was the genius that decided to make a compressor without a drain plug?
@jeremykastrup6907 Ай бұрын
Jim did , saved 1.23M in costs , he lives on a private island now .
@ajf9034 Ай бұрын
Why do you make models of compressors that you can’t oil balance? Just increasing costs for customers with the extra work required
@soapflakes Ай бұрын
Yep push the cost down stream
@Bill-jq2eo Ай бұрын
So how to verify whether the oil in the car is correct?
@madmanmapper Ай бұрын
Yeah, it never works this way. I don't think I've ever taken out a (modern) compressor that had any measurable quantity of oil that would drain out of it. Very few of them actually have a drain plug, and sometimes they just won't flow oil out of their ports. And very rarely do I see a new compressor come with any measurable oil in it. I just had one the other day that had a sticker saying it had 0.5 oz in it. That's nothing. That's enough to coat the internals. It is, unfortunately, a guessing game. Most mechanics know to add oil when replacing the compressor, but just go by intuition and experience. For a normal modern system I usually add 3oz with a new empty compressor. Maybe a bit more if the system has been flushed or other parts replaced. Maybe a bit more if the system is larger. Having the original oil charge information helps. But like I said, it's a guessing game. And obviously if the old compressor grenaded itself, throw away the condenser and flush everything else. Modern condensers have tubes so small in diameter that you will never be able to flush them properly.
@KillSwitchGarage Ай бұрын
I remember when i had argument years ago with one another local mechanic about the same thing, he did not perform any kind flush and oil balancing operation, he just took new unit tossed it in and thought everything is good, few months later same customer were back and demanded repairs again...compressor were locked up :D
@Adabulldoya Ай бұрын
Ya I’ve been a mechanic for ten years. Done many compressors hardly ever paid attention to oil levels or do any kind of flush. We have literally never had a single come back or complain or issue. Every ac system I’ve done was perfect. Sounds like this car had other issues
@henrymorgan3982 Ай бұрын
I remember long ago working at a parts house, a friend of the store had four, yes four "defective" ac compressors exchanged and we never found out the REAL story why. It remains a mystery till this day! LOL!!!
@dequavisjones4869 Ай бұрын
@@Adabulldoyanot all compressors will come with oil in them.
@giorgio. Ай бұрын
@@henrymorgan3982 If the first compressor failed and broke internally, it could have thrown debris inside the whole A/C system. They pieces would then make their way back to the new compressor and break it. The whole system, condenser, drier, evaporator, lines and hoses needs to be flushed before installing a new compressor. The Car Wizard has a story just like this on his channel.
@WilliamLaakkonen Ай бұрын
You are flushing the system with refrigerant? That doesn't seem to be a good idea... or even possible!
@madmanmapper Ай бұрын
Oh it's possible. But it's illegal - venting refrigerant intentionally is a federal crime. Not to mention expensive and wasteful. (I think they meant just flushing it with some kind of liquid flushing chemical.)
@allanb3222 Ай бұрын
You flush it by using the a/c recovery machine. It has the ability to use the refrigerant from the stored internal tank, to flush the system.
@madmanmapper Ай бұрын
@@allanb3222 So you're saying that you charge it and recover. Again. What?
@allanb3222 Ай бұрын
@@madmanmapper No bro, it uses the flushing feature built into the the recovery machine.
@WilliamLaakkonen Ай бұрын
@@allanb3222 you can use solvents and an AC flush machine (purpose built for flushing task). AFAIK there are no flushing machines which use refrigerant- they all use solvents. Mind you, I'm not a "pro" but I've been working on AC systems of my own since the early 1980s- never heard of flushing with refrigerant. Refrigerant in a system is designed to flow the opposite direction of flushing fluids, IOW you flush in the reverse direction of refrigerant flow. Of course if you have had a catastrophic internal failure of the compressor with most modern systems (>2010 to present), you cannot flush condensor units and must replace instead. Mind you, I am speaking of R-134a units- I have no experience with the newest refrigerant variants yet.m If you know of a recovery machine which flushes with refrigerant, I would be interested to know the make and model as I'm always learning - and I do get dirty doing repairs as well. Cheers.
@dadgarage7966 Ай бұрын
My old Hilux's system holds 0.6-0.7 kg of 134a. I guestimated how much oil to leave in the new compressor. Fortunately, it took 0.65 kg, is nearly silent, and is as cold as a penguin's bum.
@gopro2027 Ай бұрын
Just reinstalled my 95 taco ac system. Was ripped out by previous owner. I saw the compressor was pre filled and just sent it 😂 ac works now so that's good enough for me
@dadgarage7966 Ай бұрын
@@gopro2027 It seems that's a theme with people who have older Toyota trucks. Rip out or "delete" whatever they can't fix or understand. Or, were they planning a 1,000 hp LS swap?
@azarahwagner2749 Ай бұрын
😂😂😂 Absolutely rubbish… most compressors die horribly sending metal fragments through the whole system and the oil is yellow. The whole system needs replaced because you can never get the entire system clean and will destroy the new compressor .
@motorbreath3 Ай бұрын
1:19 , basic maths out the window .
@ianisas Ай бұрын
37,5% is about 35%, 12,5% could be about 15% if you squint a little. Seen worse approximations.
@motorbreath3 Ай бұрын
You drain about 30 cc from the old compressor which equals about 35% of the total amout of the COMPRESSOR ? No 35% of the total SYSTEM.
@customconnections2425 Ай бұрын
🤦🏾♂️I thought I was the only one here that was scratching my head on this..
@sidewayzmike Ай бұрын
Very helpful, for any of my future repairs. Thanks denso.
@fluorescentmug8333 Ай бұрын
Thanks denso man
@nono_ct200 Ай бұрын
I think Toyota uses them, I love them the work for 2-3 years easily with a perfect wipe, even in a very wet environment!
@papimasfuerte4671 Ай бұрын
I guess my ac system has too much oil in it since didnt drain the new compressor
@markcarter9476 Ай бұрын
Very useful information. I am about to replace the AC compressor on my Audi S4 B5 and want to m make sure I do everything right. I think I will probably flush the AC system whatever the condition of the oil as I prefer the belt & braces approach.
@Mrdubomb 2 ай бұрын
I sure wish I had watched this video a couple months ago...
@MrTheHillfolk Ай бұрын
Im hoping i made a good detailed educated guess. One of my cars started leaking refrigerant slightly after getting it operational. At least it was parked in the shop and i could see the oil stain and small puddle. Glad i found out the new compressor is filled with enough oil for the whole system, so i emptied what the new one had. Then i added what it called for in the compressor. Went over to the oil spot,poured some out to match the stain and noted that amount ,and added that in. I was surprised that it was almost 1/2oz worth. Been 3yrs and no funny noises yet!
@mariusz76a 7 ай бұрын
best wipers ever!
@saeedbahaj5568 2 жыл бұрын
Great video ,,,, I have a question ,,, Is the return suction line 100% vapor at the evaporator outlet ? if so how the oil could return to compressor ? I imagine there should some liquid R134a at the evaporator outlet to lift the oil up from the evaporator (but should be all 100% vapor before reaching the compressor) Thank you
@densoaftermarketeurope9740 2 жыл бұрын
Dear Saeed, Yes, we have 100% vapor at the suction side of the compressor, to prevent the compressor from sucking liquid refrigerant, which can cause liquid lock. We call this superheated gaseous refrigerant. The temperature of this superheated gaseous refrigerant has to have a temperature between 5- to 10 degrees Celsius. If the superheat value is too high, then the oil return comes into danger. This can happen when the refrigerant levels becomes too low. We call this difference in superheat, wet or dry vapor. Wet vapor is carrying oil. Dry vapor not. Therefore it is also very important to use the right type of compressor oil, because only a good quality compressor oil has the right miscibility properties in every state of the refrigerant. (Liquid or gaseous) Denso oil types ND-oil 8: Denso specific PAG, with viscosity 46, for R134a refrigerant. (Not useable for R1234yf refrigerant!) ND-oi 12: Denso specific special PAG, with viscosity 46, for R1234yf refrigerant, but can also be used for R134a refrigerant. ND-oil 11: Denso specific POE oil, especially for Denso electric driven scroll compressors.
@saeedbahaj5568 2 жыл бұрын
@@densoaftermarketeurope9740 Thank you so much for the clarification
@LuisVuiton 4 жыл бұрын
Bună ziua am 100 de bujii Denso unde le pot recicla , nu doresc să le arunc la gunoi si nu gasesc un centru de colectare a bujiilor astept îndrumare întrucât pe Siteul Denso nu se precizează nimic de reciclat bujii.