FIXING LOCKED UP AC COMPRESSOR
ฝัง
- เผยแพร่เมื่อ 7 ส.ค. 2018
- LOCKED UP A/C COMPRESSOR REPAIR
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In this video we will show you how we fixed our locked up ac compressor. The a/c compressor did not want to turn over and when activated it smoked the serpentine belt. We decided to take apart the a/c compressor and we were able to fix. The a/c compressor works great after the repair and we saved ourselves some money. Not every compress can be saved but out of curiosity we took it apart.
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Hi, It is normal for the A / C compressor clutch to engage and disengage at all times
th-cam.com/video/BWa_hroKc_g/w-d-xo.html
Hi yesterday some mechanic put me a ac compressor . He add ac refrigerant . Turn of ac on. And nothing happen of ac don't work why ? I NEED HELP
You need to remove the low pressure switch and complete the circuit with a piece of wire if the pump turns on then your low pressure switch is bad
@@allthisfitsverywell4203 is any video how to do that sr..
I had no idea how the inner workings of an a/c compressor worked. This was really informative and removed so much mystery. My brother is an ASE mechanic and he will replace a compressor but not open a compressor, as if there were some otherly world components that would upset the balances of good and evil.
Thank you again for showing the inner workings, great video.
The bearing became dislodged from the swash plate for a reason, the clutch material that is burned off is gone and you are going to rely on the used gaskets to reseal and hold gas molecules which are smaller than oil or water molecules at 400psi.
There is a reason I don't bother repairing a locked compressor.
Yes if a coil fails I'll change it but once it's locked and burned the clutch and opened the airgap...no dice.
Basically it costs about as much to rebuild a compressor as it does to just replace onr, and at least if you replace it you know it's good and likely has a warranty still
I am fucking broke ATM and just want to get it unstuck. Can I just take most shit out of it?
This guy has the coolest voice ever...for some reason its easy to listen and understand thoroughly what hes teaching us
I’d like to hear him say ‘rich Corinthian leather’
Is my first time i see this i believe it was very informative! Because i am 100% sure that alot of the people who are writing bad comments , they did not have any idea what was inside of a car compressor. Alot of of the are just part changers. Congratulations for the video i learn plust it did work for me 9000 thousand miles so far no issues!
Awesome video. That's an amazing piece of design. I had no idea how an AC compressor works before this video. Thank you!
I ran a fleet of trucks and learned plenty the hard way that there are a few things not worth your time. If a compressor seizes for any reason, junk it. If you pull a compressor out of service for any reason, replace the filter/accumulator and orifice tube/expansion valve. If a compressor seized, you replace the compressor, expansion valve/orifice tube, accumulator/filter, and the condenser. After that you replace any exposed o-rings or seals and charge all areas with the correct amount and type of oil. When the system is closed up you pull a deep vacuum. The next step is crucial, reach down and turn the pump at least 7 times by hand to ensure any excess oil is out of the pump cylinders to prevent hydro-lock. Now you can charge the system and have a lasting job completed.
You missed something equally important to your statement. You're not done after you turned the pump by hand and charged the system with the correct amount of refrigerant, you can still do some damage if you mess it up. What did you miss? Whenever you've messed with the oil charge (fitted a new oil charge inside the system, either spreading it through the components or, even better, fitting a whole system charge inside the compressor after you've flushed the system dry of any oil), you need to ensure that the air conditioner runs on the maximum blower speed, with all dash louvers opened and on fresh air, for 5 minutes with the engine kept steady at idle (and ensure that the engine is idle before turning the air conditioner on). This allows the oil to spread throughout the system and properly return to the compressor. The maximum blower and fresh air in particular keeps the compressor running very long cycles and the TXV wide open. After these 5 minutes, you can do whatever you want with your engine and the AC turned on, because the system is now correctly lubed.
@@teravolt6113 Hello, what happens if you use a prefilled compressor and just put it inside, vaccuum the system , refill it and thenstart the compressor?
@@bassdabob If you don't adjust the oil charge so that the new compressor only contains the same quantity of oil that was drained from the old one, or flush the rest of the system, or otherwise you know for sure that the system is empty of any oil, you get a fouled condenser and a fouled evaporator (walls get covered with oil and heat exchange is hampered), or, with a severe oil overcharge, the new compressor soon slugs/hydrolocks.
Dragon Steel & Tera Volt: Sound advice from you both.
Worked in transport refrigeration on small trucks & vans: Using this style of compressor.....however.....Downtime is crucial. (Mostly owner-drivers)
Never messed about with failed compressors. They were junked & replaced.
Whilst we know you need to replace/clean/lube the rest of the system, it was not always possible: Had to have that truck back on the road ASAP.
If it failed again in a week or two, then, & only then did you schedule a full repair back at the depot. Not all failed again...... Win some...lose some.
What if you don't use AC but you cannot route your belt without a compressor. Since you're not using AC buying a 350$ compressor would be dumb
even if this is not my problem it is amazingly helpful to know what is inside and what I am working on before just tearing into it and easter egging my way thorough. Thanks very much.
You guys are Awesome 🙌🏼 ….. doubt I’d ever take one apart….glad you guys did 😀
My words, what a FANTASTIC VIDEO! Thank you thank you
Interesting video. Have always wondered about the interior of an a/c compressor. Thank you for the video.
If you inquiry further, you'll find that each compressor has different interiors. Not every compressor has the same interior of the one in the video.
You are a real Mecanic that fix things instead of just replacing them 👌🏻Thanks for sharing your knowledge,wisdom and audacity ✌🏻knowing the cause of compressor failure help me to decide if I have to buy a new dryer and condenser, I saved around $200 thanks again 🙏🏻
That's very circumstantial. I work on machines of which certain repairs are prohibited either via warranties or liabilities. Some parts have to be replaced even if you can fix them. On scroll and rotary piston A/C compressors, like in the video, the clutch end is balanced with the scroll . If you replace the clutch, wirhout rebalance, the compressor life is dramaticly shortened thus you spend more saving nothing. Also, if the clutch is worn, the pistons or scroll are not far behind which is why I won't warranty a used compressor.
This is a good video and gives motivation to a DIY person! Most people will just buy a new compressor! Great job, guys!
I would just buy a new compressor because they show the cause of the bearing coming out, it will most likely come back with the same problem, why go to all of that trouble and take a chance of it coming back?
@@rpo69z28 exactly
@@rpo69z28
agree 100%
great repair+great instructional video
i just got a similar problem w/ a locked compressor from a 00 dodge grand caravan 3.3 dual ac system compressor
in my case the pistons' rods were broken so i decided to r/r the whole unit w/ a different one
i will install it tomorrow and give it a try after vacuuming the system
thanks for the video
resoluts??? lol
I'm afraid doing that is above my pay grade. I'm too sure I'd mess it up. But it was great to see how a compressor works! I really never had a mental image of how a compressor works but if I thought about it it sure as hell wouldn't have been that set up. Very cool! KNOWLEDGE!!!
You are my favorite automotive TH-camr! Great job as always!
I love your videos man, I changed my solenoid valve and my car ac being freezing cold going 3 weeks , only spent 20 dollars
My ac just went out yesterday during the middle of summer. I don’t know how to do this but I’m pretty mechanically inclined so I’m gonna try it. Y’all may have just saved me 500 bucks or more
I did it and it’s work with a total locked dirty ac , thank you so much for your effort bro 😎
Regaurdless if it works or not. This is great learning video . Thankyou
th-cam.com/video/BWa_hroKc_g/w-d-xo.html
That is excellent sir, thank you for the informative video.
Good video, thank you for taking it all the way down and actually finding the problem instead of just changing the part.
The problem is, when a compressor seizes like this, i.e. when the piston drops a shoe on the swash plate, you don't know if serious damage has happened inside, especially to the swash plate. It's very delicate metallurgy. The swash plate looks scored to me at 5:18
With Time + Labor..., sometimes it's best to get a new one or used one and call it the day. Another note I like to add, with Time + Labor + Parts.... It will be the same price repairing or getting a new one. People gonna have to weight it out and find what is best for them. For " me ", Time + Labor + Unknown + Etc..., I'd better off getting a new one, since I can make the Money and buy and less work and no unknown issues later.
I just want to say that you're amazing and that more people should be told that you can do this instead of spending six hundred $700 on one piece to get your AC back running again you're awesome thank you very much for your video God bless stay safe
If it comes back for the same problem, which it most likely will, because they don't know what caused the bearing to fail, are they going to charge the customer to repair it again?
@@rpo69z28 I think hes talking bout if the client does the work himself. But yes I would measure for wear.
That's a real mechanic! that takes time to see why its really not working, Not just throw parts in it
Thank you for showing repairs others are afraid to do. Low system pressure was likely to cause problem since it’s designed to have nominal preload pressure as a precondition for clutch to engage. Excellent video guys
Problem is low oil return rate due to a refrigerant charge low enough to cause oil return problems, but not low enough to make the static pressure go below the one programmed in the ECU.
The reason most mechanics won't do it without replacing the compressor is if it comes back with a compressor failure the customer is going to be pissed, and the mechanic is going to charge him again for a proper repair.
Literally just changed mine! Should have watched this first! GREAT video!
Your videos are very helpful. Keep up the great work on taking us to school.👍
Your videos are a excellent source of knowledge.
Thank you!!
Great video it will help a lot of people that cant afford to change that compressor.Thank You
Great job guys, interesting to see how it comes apart and together without having to take apart my own 😀
I love your video, my friend. Please post more. I always love to see you fixing cars and try to learn from your videos. Thank you.
Great video and to the point but WHAT CAUSED the half bearing to come loose? I would worry that something else is damaged because that bearing should not have come out unless another part is damaged or the bearing itself is damaged
Thank you....first time I see the inside of a compressor.
th-cam.com/video/BWa_hroKc_g/w-d-xo.html
благодарю вас! Now I know how an A/C compressor works. Very good video. thanks.
-2°F it is a very good temperature for reconditioned AC compressor. You guys did a great job on it.
Congrats!!
He's using a IR gun and that's pretty normal occurrence. If he used a cooking thermometer it would have been around the low 40s (that's what mechanical control valves are usually calibrated to).
Great video, I never even considered trying to repair my compressor. You may have just saved me 500$ or more
I LOVE watching these guys👏🤙
THAT IS EXACTLY WHAT THEY DO WITH YOUR CORE COMPRESSOR AND RESELL IT AS REFURBUSHED. I HAVE WORK-IN-PROGRESS FOR MY AC AND WILL TRY A DYI.
GREAT VIDEO THANKS.
I work in this business and its funny because your actually right!! That compressor would have got disassembled then got a good cleaning in mineral spirits and slapped back together with a new clutch assembly.
stop shouting. put on your reading glasses
I had the exact same symptom on my 2016 Fiesta. Completely siezed, smoking belt when AC was turned on, and it would stall the engine. I purchased a replacement but this was very educational. Great video!
I assumed it fixed the problem but I’m jus making sure because my car is doing the exact same thing and it’s so bad it feels like it’s from a fly off
@@savageking1881 Yes it did fix my issue
Really professional. Tips are always helpful.
Thanks So Much for this VIDEO Very educational
Phenomenal, thank you for sharing!
I would also check the pressure switches to make sure that you don't flood back or have a high pressure condition. There must have been a reason for the compressor half bearing to fall out. Great Video!
agree. Why did that part fall out of place? And what is the guarantee it won't happen again?
I'd call it a shoe more than a bearing. It should be made of steel. An oil film needs to be between it and the swash plate. Generally PAG 46 oil for this kind of compressors. Also check for proper lubrication flow. These compressors can run with a very low refrigerant charge since there are no pressure switches at all-only a pressure transducer on the high side. And very low charge deprives the compressor of oil return, the evaporator catches the most of it. Not enough oil flowing inside = no oil film, high friction, and things like this can happen. Can also happen when you fill a large amount of oil (for ex. the whole system charge when you flush the system) through the refrigerant machine instead of putting it inside the compressor through the drain hole (or suction port if no drain hole is available) and then rotating the clutch hub 10-20 times before letting the engine drive the compressor's shaft. Personally, i'd scrap the entire compressor and thoroughly flush the system, replacing condenser and dryer and checking for TXV cleanliness, after something like this happened. Fitting it back may open a can of worms. By the way, this should be a VS16 compressor
Looks like there was oil inside the compressor on disassembly, also it is not a constant run variable wobble plate compressor as are in the newer Fords. If you notice there is a clutch and a coil in front of the compressor when disassembled. It is not a constant run compressor. It must have pressures switches somewhere in the system as on the accumulator and the high side hose. Variable compressors have no clutch, the PCM controls a pressure solenoid on the rear of the compressor thus loading or unload the unit.
@john You're wrong. Constant run compressors can have a clutch too. The clutch just doesn't cycle off and on unless the system isn't ok, it's just not permanently mated to the engine shaft like with a clutchless compressor. It's the capacity which gets cycled, just like with a Carrier 05G compressor and its two unloaders, one for cylinder bank. In fact, if the control valve is mechanic, a clutch must be there, otherwise AC would basically be always on. The one in the video has the mechanic control valve, but compressors with both the electronic control valve and the clutch have been made too. Google for Harrison V5 and learn how that compressor works. Also, the problem with the oil is that, with not enough refrigerant, not enough oil comes back to the compressor to cover everything up in a thick oil film, even though oil escapes on disassembly. This compressor hasn't got the dedicated oil sump and pump a Carrier 05G has. Also, wobble plate is different from swash plate. Wobble plate is when the plate with the pistons isn't actually rotating, just like in a Sanden SD7H15 or in the aforementioned Harrison V5. In these the wobble plate is moved around by a backplate rotating behind it. Swash plate is when the plate with the pistons is actually rotating around and the pistons ride the plate on two shoes, like in the video. The two are so different mechanically that the wobble requires a thicker oil (PAG 125 for the V5, PAG 100 for the SD7H15) than the swash (PAG 46 usually). Also, accumulator is obsolete technology, required for orifice tubes. Modern systems feature TXVs and as such there's a liquid receiver and a dryer before the TXV. One more thing: see the springs around the swash plate? That's a giveaway for a variable displacement compressor. These springs offset the swash plate to minimum angle when the control valve isn't bypassing a part of the discharge inside the crankcase. A fixed displacement compressor only has a plate machined to an angle and nothing else.
macsworldwide.wordpress.com/2013/05/29/variable-displacement-ac-compressor/?share=email&nb=1
Thanks for sharing this video with us.
Thanks for the information Manual repair guys!
Great Job Guy's You Did Good!
Great video. Thank you for showing us.
great work, nice learning. IM afraid of keep following the instruction but I think it will work. thanks bro.
As usual a clear easy to understand video. Thank you. Love the channel. So does my E93.
Problem with the dismantle is the environment needs to be super clean otherwise contaminates will clog the system over time, but the dryer which picks up the moisture is even more important to replace with a new unit, as its finished once its exposed to air.
Good to see people still want to fix stuff these days!
Perfect job - very informational thank you
I love these guys! Always great content!!
th-cam.com/video/BWa_hroKc_g/w-d-xo.html
Very interesting. I never knew how they worked! Thanks.
Great job, well done.
Good troubleshooting and great work
Awesome video!
Thank u so Much I always wanted to see how to break down a compressor now I know what to look for in my A/C unit
Fantastic job fellows , damn I’m going to open my compressor up see if I can fix it .. thank you fellows..
I have the Same problem...thanxxx for the teaching...now i know my 2nd step
Its called a snap lock retaining clip...@2:09 . I have a 2015 Dodge journey, do all my own work but I enjoy watching all your videos...
Great job!!
Very nice job, thanks for showing It! BEST regards.
that is some intricate work!!
Thank you guys u just help me fix my ac compressor..i did the exact steps and it was jammed up just like that...thanks again 💪💪💪💪💪
Personally, if that happened to me i would have immediately fitted a new compressor, condenser and dryer, and had the system flushed by a pro. A seized shaft always means internal mechanical damage.
pls say that it still working after 4 months, just to show all the (its not going to last) ppl here that you just saved 600 dollares.
Is it still working
Thank you. Very informative. 😊
Awesome video guys thanks.
Seized up electro-magnetic clutch bearing, too. When undoing compressor hydraulic pumps I always used to 'mark' plates and their positions. It was easyer to put them back together afterwards. Thanks.
Good job 👍👍
Field repair of AC compressor. Solid job, not for the faint hearted.
Very helpful. Thanks.
Thanks for this amazing video.
Good vid guys! If you use an elastic to hold the cylinders together, would make it easier maybe ✌👍🇨🇦
Thanks that was easy and informative
amazing work
Great video well explained i started working with a friend at his shop. And he has about 10- 15 compressors he wants me to break down to scrap them and i rather see if i can see if i can fix them to reuse them thanks!
I hate throwing anything away. It was fun to see how it looked inside. I’m sure you pumped it down before putting Freon back in. Since the temperature dropped below 32 I believe you need to add a little more Freon. A low charge will cause it to drop below and freeze the coil in hvac. Probably the same on a car.
The temperature didn't drop below 32F, i'm sure about that. For some reason IR gun style thermometers show below-freezing temperatures when pointed at AC vents, but the real reading (taken with a cooking thermometer equipped with a metal probe) is around 40F. Saw this happen on my car too. Also FYI with this compressor a low charge will make the vent temp get higher at idle. The lower than normal discharge will keep a high suction pressure setpoint in the control valve and the lower than normal suction will keep the compressor destroked all the time. No freeze-up will ever happen.
Kind of thing that would have Scotty Kilmer say "replace the whole damned thing".
Scotty would have been right here. The swash plate looks scored. That thing is probably releasing swarf in the system right now.
YUP!
I just watched Scottie’s video and he did exactly that, REPLACED IT. That’s why u have a CORE.
One scotty video is based on Dont flush an a/c system because the debris from a compressor going bad cannot be entirely removed out of the condenser. The compressor replacement video he made says Flush the system with new dryer receiver and compressor blah blah blah. You make goofy videos popping out of a trunk and everyone will believe whatever you say i guess
@@billyjack8119 That video, which I just watched he said don't just replace a compressor. At the very least replace the condenser. And every time you fully open a system you should replace the filter dryer that is just a given. After that you might need to replace the orifice, H-block, or expansion valve (depends on vehicle) if the high side pressure spikes on clutch engagement. I only watch SK stuff cause his quirkiness amuses me. But he isn't wrong in that video, you just have to listen to what he actually said.
Great video! Thanks!
Very well done 👍. Thanks for the video, your time and expertises. Jesus Christ loves YOU !!!
Jesus the Master Lord!
Very interesting and informative video
Good way to save a penny and help others troubleshoot the inevitable.
Typically shops will sell you on a whole unit; fixing this short term will safe the customer money to allow for future purchase of new components and bring them peace of mind.
Doing business with an honest non money thirsty mechanic, hard to find in today’s world.
Customer service goes along way.. CSI-rewards🤔
“Never step over a dime to pick up a penny”
Do a lot for a customer now and when they need something serious done they’ll remember how you didn’t over sell them on new unit.. ballooning costs etc.
Typically they go to another garage when they need a new compressor.. just how the ball bounces.
Great video and Insite... any one could of bought a new compressor and vacuumed the system and replaced Freon.. this is getting to the root of the problem. POM 👍🏻
The problem is, shops prefer the "a new compressor or nothing" approach to avoid any comeback-warranty hassle caused by a compressor on its last legs, especially when it's a very old one. If, for example, a compressor which received a new clutch coil seizes, the customer may try to place to burden on the shop since they were the ones who tampered with the system last after all.
Typically if the customer had this trouble.. temporary fix for a permanent problem. Of course a garage, this particular video does t represent a garage more so a solo mechanic and more so this estimate for complete unit upgrade vs. this method shown here SHOULDN'T AND WOULDN'T guarantee a permeant fix.
Saving the customer some time and money before they commit in the near future for
entire unit upgrade. Garages would DEFINITELY want to up sale because it pays the shop and mechanic fixing it the hours allowed for this type of repair.
Great video! I may have attempted a clutch replacement, but no way would I have thought that tearing down the compressor would result in a DIY fix. Thanks!!👍👍👍
Did you try it yet? My compressor just went out. I'm thinking it's the pulley
@@heathenthatheretic5960 No I didn't. My problem was as simple as unplugging the high side pressure sensor and plugging it back in. For a week now, the clutch is cycling perfectly. Cold air.
@@eross5626 nice! Nothing better the. A simple fix. I'm actually out here now trying to take my compressor off..
It's a pain in the butt. Especially since I'm no mechanic
@@heathenthatheretic5960 Hey, you can do it! Watch all the TH-cam videos you can find. They'll help almost anyone become an amateur mechanic. Of course, I think it's complete BS, that the manufacturers are making back yard repairs a thing of the past. Even pricing many small repair shops out of business, with the costs of equipment needed to work on today's cars.
Best video I’ve seen yet
Thanks for the info 👍👍
Nice Video! Thanks!
Well explained and I love your accent aswell 🙂
Very good great work
Excelente video mañana desarmo el de mi camioneta .
Amazing video, thanks for sharing. Did you have to use any type of sealant or silicone when putting the gaskets back in?
thanks for youre video guys.
Very good video!
hello again, nice to see you,
very cool man!!!
Learnt alot thank you
Nice !
Awesome video I found you guys from the Elantra knock sensor video but my car is also having compressor issues as well but I will make the warranty pay for that lol
Reminded me of helping my Dad repair needle bearings (?) in an old GMC truck. Fix a couple, get set to reassemble, and others get jumbled up. As some commenters would say..."well what made them get jumbled up to begin with?" I dont know...but we fixed it.
I like your accent when you talk...
You are the handyman 👍
Nice vid amigo.
Thank for this video
COOL,,, thanks