Diagnose Before Removing the Dash Dodge Ram 2500 5.9 Cummins A/C Blows HOT!

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Customer Customer States Mechanic Fails Engine Transmission Gas Diesel off road race 4x4 street car daily driver scam dealership dealer technician how to

[@stephenerwin1]

Great to see someone interested in diagnosing a problem before fixing it. Keep up the great attitude, Ray.

[@tomw8647]

too many 'mechanics' are just part replacers...

[@jdtractorman7445]

It's hard to believe, but sometimes customers, for whatever reason, don't want to pay for diagnosis. Possibly because "insert name of garage here" has already looked at it and said this is what it needs. I've personally been down that road, that's why I always do my own diagnosis, just like Ray did here.

[@samishiikihaku]

To be fair. He mentioned that many times while he was at the other shop, that he doesn't like doing that. Now that he has his own shop, he can make his own rules!

[@Chrisamic]

@@samishiikihaku To be fair, when you are working for a shop and you are given a work instruction like "replace the AC evaporator" then you are not going to be paid for a diagnosis. A work instruction to "diagnose AC not cooling" is a different thing. Ray isn't work shy, and one of his strengths is diagnosis before repair. Remember that Ray left his last job after undisclosed disagreements about they way they did things. Now that Ray has his own shop, it seems likely the conversations he has with his customers and his approach to that job is more in line with getting the best results for those customers. Sometimes what the customers think they need and what they actually need are two different things, or only part of the solution.

[@mwoodall13]

Despite my strongest suggestions and even offering free diag in some situations…. Some customers will insist they know what the problem is (they don’t) and refuse a second opinion Most of the time it’s about not wanting to replace something that doesn’t need replacing, and also because that same customer will say “you did it wrong” and blame you for them being stupid

[@ericmuller7755]

whats nice is that you have a consistent process and it teach us all about not only how it works and how to expect others to do the job correctly. thanks

[@michaelbruton3537]

The customer should be very pleased that the dash hasn't been pulled and his pre bought unit has been fitted and working okay for now. Well done Ray

[@CodycoWeb]

As stated before the “schrader” valve is not the primary seal on a service port. You will never get them to 100% seal. The cap is the primary seal and needs good gaskets and tightened properly. Changing schrade isn’t going to stop the leakage. Making sure the caps fit tightly and seal will ensure the system is sealed properly. Many times when you remove the cap you will hear slight hiss as gas that leaked past Schrader valve but caught by the primary seal the cap.

[@petersmart1999]

It will if that schraeder was proven to be leaking,I have changed thousands of them.The cap is only secondary ,the schraeder is actually a system component! Think of it tgis way,the wrapping paper is not the gift,nor is the box,Its whats inside the box!

[@proudcanadian5713]

Nice to see you treating the disease rather than the symptom, Ray. That's the difference between a great and a good technician.

[@TheJawtech]

After watching 30 seconds of the video, I'm reminded that a mechanic in Florida is basically a refrigeration mechanic who fixes cars too. As a Chef I've watched many cooling systems be serviced and repaired - You the man Ray. Your A/C machine is also super cool, they didn't have that.

[@egyphon]

Hi Ray, I wanted to thank you for your videos. I initially found you while looking for info on OBD because I was asked to translate error messages for OBD into French, but knew nothing about cars. You really helped me, and continue to do so with every new video. Now that I understand cars better, I can take on more "car-related jobs". My sincere thanks to you.

[@RainmanRaysRepairs]

So glad to hear that I help out! 😁

[@voldem0rt]

Man... Ain't that the truth. While Ray isn't the one specifically that helped me learn, all these carTubers have helped me immensely. Through the magic of youtubers sharing their knowledge, I have fixed or rebuilt every aspect of my 2006 Chrysler 300c. I've replaced all components like sensors, pumps (including fuel), belts and rebuilt my engine and transmission. I still don't know what half the shit is called that I find myself working on, but I can go into disassembly and reassembly knowing that I will be able to repair or fix the problem. Now... If you have technical I.T. questions ranging from networking/network security to enterprise level I.T., I can help you. People like Ray are blessings to the common people.

[@coreybabcock2023]

​@@voldem0rt same here these guys are a huge blessing I've got my 98 Ford e250 and my customers care going very well too and I would love to learn more I.T stuff myself

[@patrickdiehl6813]

Rumors about Peta'.... Lauren said the new help didn't know if he wanted to be in the videos. I'm sure Ray will tell us when he is ready. Good call on due diligence and evaluating the entire system, that saved the customer about 12 labor hours plus the cost of a part they didn't need 👍

[@dond.200]

I would love to see Peta’ working with Ray once again but it’s nice that Ray has a new helper even if we don’t see him on video.

[@MT_53]

Bring back Peta! Bring back Peta! Bring back Peta! 😆

[@oliver_klozoff]

I always shoot a little bit of WD-40 onto those quick connect springs, it makes the whole mechanism function a lot easier. At least to get them to release

[@michaelcook184]

Allways a joy to watch you do expert repairs 😊

[@45AMT]

Happy pre 500K subscribers! I've been here since 60K Well deserved my friend!

[@brettnipps7205]

It's amazing to me your wide range of knowledge of different rigs and the problems they present to you. Thank you Ray for your sharing with us!!!

[@mikes4352]

I realize this video is over a yr old, but i wanted to comment on a great diagnosis and repair. Not that i was wishing you more work but I was really hoping the owner still wanted the evaporator swapped because your attention to detain is fantastic, and i wanted to see your procedure for removing the dash and the hvac unit😊. Im in the planning process of replacing blend doors on my '07 Ram 2500 cummins and was looking to watch a professional before i tackle the job😅. Oh, well... Anyway, thank you for posting the videos. Im sure that you have helped many people in their car problems. Mike, new subscriber

[@djsi38t]

That was one hell of a learning experience what a fantastic job you did ray.Really spot on with explaining each and every single stinkin thing you did and that the machine and ac system on that truck was doing.Amazing really.I have not seen a video deserving a thumbs up more in a long time.

[@handbananaistherapist642]

Pull, wiggle, rotate . . . sounds like a good time!

[@russelbaird5499]

Glad you take the time to check things out before jumping into what the customer thinks is needed . Also I think the designers ought to be made to work on the vehicles to see just how awkward it can be after the vehicle has been fully built. Sometimes it is almost impossible to work on these things .

[@chucksmitleyv145]

When you see the high side at 250psi+ and the suction side is around 20 or lower, check the metering valve first. They get stuck sometimes

[@bbrnkyle74]

We can't get those vacuum numbers at altitude. Max up here is about 24 inHg. I really appreciate how thorough you are. Wish there were more techs out there like you!!

[@ColinWatters]

Thinking aloud.. isn't the vacuum the same eg near zero pressure, it's just you start from lower atmospheric pressure so not so far to fall.

[@jameshollingsworth4714]

Make sure the blend door is blending!

[@Psichlo1]

Did years of hvac work on custom homes in my previous life and you're the first person I have ever seen that explains it how it actually works. It essentially removes heat not so much cooling the air. Always great videos Ray, keep it up.

[@MrTonyPiscatelle]

Bravo Rainman- IMO that was one of your best videos in quite awhile. Very professional like fixin stuff.

[@curtisophillipsjr3203]

Used to love A/C work! Even changing out evaporaters. You did the proper thing, because 9 times out of 10 , the customer is incorrect in his diagnosis. Nice job, wish I had that A/C machine back in my day! And your explanation of how the system works was clear and informative. P.S., I also hated those spring lock connections, Ford started it back in the early 80s. Had several different spring lock tool sets. ( also good for Ford fuel line fittings )

[@justinferguson5451]

Awesome video. This really hits home for me with my 2500 with the 5.9, changed whole a/c system from dash to bumper along with other work in engine compartment. I had a busted blend door so I had to pull dash. New evap and heater cores, electric actuators, blend doors from blenddoorUSA, new weatherstripping gasket for the air box, liquid line and manifold, compressor, condenser, the whole nine yards. Dealership quoted me $3200 for the a/c job I done it for just a $1000 in parts. After completion a/c was 40 degrees at vent and on heat was 160 degrees

[@jjunderwood4095]

I can only assume how much fun your new tech is having listening to your sayings 😂😂 " hey kid you wanna pull in the dooodge for me and apply clicks to the wheel knuts? Thank you good sir!"

[@rotoregonian6857]

Good stuff as always man. Thx. Quick input: i modded my little scissor style disconnect tool by putting a champher/bevel on the outside edge making it thinner on the first 1/16 inch by just a RCH and now it slips under the springs super slick no fuss no cuss.

[@jrey7748]

Well done! And love the explanation of how the system works. You can’t make cold air, but you can remove heat from it…it is how every cooling system works from your car, to your home or your refrigerator.

[@kevincurry4735]

Hello Ray and I am glad to be back too. A/c service time. I am sure this will be a good video.

[@MrMattDat]

that sounds like a Sid & Krofft 70's dance, " Push down. Push up. Wiggle, wiggle, wiggle"...

[@JeffinTD]

Nice job. IIRC this era had a TSB to relocate the temp probe for freeze up problems, and they are known to break blend doors. I believe HVAC cases were updated (possibly with different couplers) with more robust stops to keep the stepper motors from snapping off the stops and breaking the blend doors. On the plus side with their design it is easy to remove the fan and spray out the coils.

[@mercedes-amgforlife3237]

I have a 2003 Ram 3500, and the blend doors quit working a day after I got it. It's been like that for 6 years now as I haven't gotten around to installing the upgraded doors and drivers made of aluminum. Blower fan randomly quits working on med-hi setting, and that piece is hard to locate as mine is the Laramie package with dual zone controls.

[@JeffinTD]

@@mercedes-amgforlife3237 If it’s obstructing the blower fan, it’s likely the recirculation door that broke. The fan is on the bottom of the case by the passenger footwell. If you unplug and remove the fan you may be able to remove the broken door. The glove box I believe comes out by holding it partway open, pulling the back corners in, and tipping it out. That would give you a view of the grille for recirculation air, and that door. If the recirculation door was broken and you did remove the remains, you could tape over the grille if you wanted it pulling fresh air all the time. If you do have to change the other doors, I’m not sure how I feel about the kits where you cut holes in the hvac case to put in metal doors. Last I knew they didn’t have an option for dual zone (like your Laramie, and mine). Though it’s a good 10 hours work and requires evaluation of the coolant and AC, if the other doors were broken I think I’d pull it down properly for new upper and lower case, new couplers and doors, and (considering how much work it is, and the rig’s age) I’d probably put in a new AC coil and heater core.

[@michaelpressman7203]

I think you fixed the problem & are being honest with the costumer! The new guy is a lucky man🎉 Have a great day

[@RobertBeck-pp2ru]

Ray, don't you just love the way Ram trucks make you reach back into a tunnel to get to important failure prone parts. My '97 Cummins Ram requires valve adjustments every 25K miles. The last 2 cylinders are in the firewall tunnel. Anti-kudos to the new breed of engineers.

[@stuglenn1112]

I think some of these engineers need a good gut punch. It's almost as if they design them to be as difficult as possible to work on.

[@mjac8373]

I don't like to take dashboards out either, espeically since I'm a retired carpenter. Ray, you rock, brightest mind on KZbin!!

[@thecuss6817]

I just diagnosed a varying vent temperature issue on my 1988 Mazda B2200 truck as being due to a bad fan clutch (again). I used the rolled up newspaper section to diagnose (also good for training puppies !).

[@coreymerritt7742]

Hi Ray I have a 2003 Cummins dually I’ve had no issues with my ac so far great video thanks

[@taffyjones57]

Another very informative video Ray. Keep on making these great videos. The World needs a lot more mechanics like you.

[@rustyrobinson8027]

Thanks Ray and family ❤️

[@51ubetcha]

I was always taught to lube all a/c o-rings to prevent tearing or causing the rings to roll over. Only exception is the new metal/rubber rings.Makes installing fittings easier also. Lube the service valves too.

[@xeclipsex2651]

A good way to diag a bad evaporator is by putting dye into the system, letting the vehicle run with the ac on for a while then use a UV light on the drain hole and if It starts glowing, then the evaporator is leaking.

[@matticus6339]

I have a 1999 Dodge 2500 with the Cummins, I installed a pusher Spal fan on the front of the condenser and it made a big difference in AC performance.

[@radioace318la]

another great project. The Robinair is an awesome machine. We just got one in our shop. The boss asked, "Have any of you guys ever used one of these?" I said No, but I have watched Ray use one for over a year now. He said something about me staying at a Holiday Inn. I didn't get the reference at first. So I'm now the Go To Guy for all things Robinair. Those cab tractors' AC Must work and work well. So if you are ever in Louisiana and have a problem with your Kubota AC, I'm your guy. One thing tho, That new accumulator (sometimes called a dryer) was a great thing to replace considering someone else already fired the parts cannon on that rig. I hope there is a follow-up video in a few weeks to see if all is well. Thanks for sharing your hard work, man. Cheers from Louisiana.

[@Jihadbearzwithgunz]

Good man ray doing the proper steps and being a mechanic and diagnosing it instead of being just a parts changer.. Good work as always

[@ronaldrussell5481]

Thanks, nice job troubleshooting and correcting problems and explaining the "dark science " of refrigeration!

[@shanestrains2849]

I had a dodge truck in the shop, AC drain was dripping out of the tube and running down the tube back into the truck, put a piece of heater hose to extend it and it fixed it... Must've been the goal here haha

[@theundergroundlairofthesqu9261]

Dakota/Durango of that era, too.

[@richardgreen1383]

Ray's attention to detail and diagnosing the issue before throwing a major expanse at the issue (which ultimately would not have solved the problem) saved his customer a boat load of money. I had an issue with the evaporating coil in my 2006 Ram 2500 and they had to remove the dash to get to the part. Fortunately for my wallet, it was in 2007 and covered under the warranty. They commented that it was a two day job (the also provided a courtesy car at the time).

[@electrake2063]

Not sure if you are aware, but I have a 2003 and they had a problem where the temp probe on the evaporator was not in a good place, and while driving the probe temps never picks up that the core is freezing up. So what happens to mine is that the compressor does not cycle enough to keep the core clear of ice, and the airflow becomes restricted and eventually you get no cooling after about 20 min of driving in humid conditions. There is a TSB to relocate the temp probe. Not sure if the 2004 had a fix or still has the issue. Something to think about if you get a returning customer on this truck!

[@samholdsworth420]

Bump

[@TheFrenchPug]

Good advice!

[@josephcaprara898]

You are not correct, consult a psychometric chart. And a refrigerant/enthapy chart. Change of phase liquid to gas or gas to liquid utilizes latent heat of change to accomplish the movement of heat.

[@electrake2063]

@@josephcaprara898 what are u responding to? I wasn’t arguing how heat moves, I was commenting on how the evaporator DOES freeze up if the compressor never stops. The IS why there is a temp probe near the evaporator. What are u talking about???

[@johnholzhey8149]

I always put a little oil on the O rings before reinstall. It's just a little easier to slip the connectors together. One other thing I found was to spay clean the springs in the connectors to get the dirt out since dust has a tendency to inhabit those pesky items.

[@bobbg9041]

I had an aftermarket condensers installed by the insurance company, it never worked right untill I bought a factory oem part. I changed it myself and had a buddy vac it down with his machine its worked right every sence.

[@Strengthandconditioning60]

I have a 94 explorer, air didn't work when I got it, took it to 2 different mechanics, changed out most of the mechanical parts and gave it back to me saying it worked now. Problem was that it DID work like a champ on cooler days, temp would get down in the 40s. On a warmer day it would not work at all period. Got a old Chilton manual, started going through the schematics, and saw the relay in the fuse box for the ac. Being an old school aircraft electronics technician I knew what gremlins live inside relays so I went and got a $7 relay, slapped it in there and it's been fine every since.

[@ronsloan7662]

Hey Ray, great video as always. I can't see how the system could work any better than it is right now. Maybe the owner wants all new components. Looking forward to seeing what they decide. Where it would be very interesting, hopefully you don't have to disassemble the dash. Cheers!

[@ruckinehround6965]

Had the same truck 2005…. Best truck I ever had. Rays customers are the lucky ones.

[@crashoverride328]

The hose on the drain has a purpose. There is a design - flaw, of a kind. The condensate that comes out the drain enters the air flow under the hood and has a tendency to blow back along the outside of the drain into the cab and make the passenger floor wet. The hose diverts the output of the condensate drain and cures the issue.

[@theundergroundlairofthesqu9261]

Thanks! I came here to say this, you find a stubby hose or PCV elbow on a Dodge of this vintage, it's there for a reason!

[@fatmirsallku9760]

Honest and good mechanic, good luck With the new guy too

[@tomasrodriguez5489]

Your actually a teacher I like that the step by step what you doing for this reason you are the best tech teacher and professional!!!!😎🚗

[@jameskennedy673]

👏👏👏👏👏Ray for making that Ram’s cabin cold. Those 5.9L Cummins are good ones, that one isn’t even broken in yet. Our Grandson has a ‘99 Dodge 3500 dually 5.9L Cummins with standard shift over 300K miles. Ray it’s great that you have a helper, those HF US General tool boxes kinda stand from your Blue tool boxes. Keep’m coming

[@texkissmyass8326]

Minor correction to your A/C system explanation; The cooling effect is not caused by a change of state (liquid to gas for example), it is caused by the rapid expansion of the gas through the expansion valve (joule thomson effect). I wish I lived near your shop, you are one of the most conscientious people I know of and I would never take one of my cars to anyone else. I hope you have a great day!

[@imyyz4u]

As a retired HVAC guy I would disagree, cooling is caused by a change of state (liquid to gas) in the evaporator and the heat is released by change of gas to liquid in the condenser. Liquid passes through the expansion valve not gas, it boils in the evaporator do to the pressure drop and absorbs heat along the way. Properly charged it boils all liquid into gas just as it exits the evaporator coil. The gas is compressed and enters the condenser coil where it gives off heat as it is converted into a liquid that accumulates at the very bottom of the coil. The liquid is passed to the expansion valve where the process starts all over again. Look up 'Latent heat' and 'refrigeration cycle'.

[@SqueakyHinge]

The short and long of it is the refrigeration effect takes place because the refrigerant gets hot as hot goes comparative to it's boiling point. And the boiling is achieve in a sealed system through a pressure drop device using an expansion valve or a restricted tube other wise known as a cap tube. The second law of thermodynamics states energy is neither created nor destroyed, only transferred. So when a refrigerant is forced to go from one pressure to another lower pressure the boiling point of that refrigerant is met which results in a lower temperature. And since heat only transfers to places of a lower heat value via the boiling point being "cold" heat transfer naturally takes place which is the relative result. R134a, a common auto refrigerant, boils at around -16 degree F. And that is achieved at the outlet of the expansion device of the evaporator. So the higher heat value from the cab air transfers to the coldness ( less heat) of the refrigerant which then get pushed to the condenser outside of the conditioned space where the heat from the hot gas meets with the lower temperature outside air and, once again, hot goes to cold...so off goes the hot air from the cabin transferred to the air outside of the cabin. Thermodynamics... you have to love it. It keeps all of us alive.

[@jimsherman2477]

Simply put, it’s the same as boiling water on a stove. As the water starts to boil it absorbs heat from the stove. By controlling pressure you make the water absorb more heat before it turns to steam. Refrigerants just boil at very low temps at atmospheric pressure.

[@boggy7665]

@@imyyz4u For the curious - Also look up a pressure-enthalpy graph for (R134a in this case?) Quite an eye chart, temperatures are there but the lines meander. Pressure is the ordinate; equal pressures along horizontal lines; lower pressures on the bottom. The graphs I've seen here have an example refrigeration cycle drawn in as a near-rectangular loop. Refrigeration cycle goes -clockwise- counterclockwise on that line. The evaporation cycle is -right to left- left to right along the bottom of the 'box' in that graph. Most of the a/c-cabin-heat absorption occurs in the (thumb-shaped) zone where both liquid and vapor are present. Throwing my chips with imyyz4u. Disagree with Tex: Will be some Joule-Thomson at the capillary/valve but that's a minor/insignificant effect, right? Equal enthalpy both sides of the valve, so along the vertical lines in the graph. Reading a vertical line around the right side of the example 'box', the liquid actually heats up about 5 °C due to the Joule-Thomson effect.

[@boggy7665]

@@SqueakyHinge Lower temperature, yes, it gets cold at/around the capillary tube/expansion valve. (Those example R134a graph/box I saw, actually still hot at the expansion valve.) As the liquid boils in the evaporator, it continues to stay at about the same cold temperature, all the way until someways through the evaporator (if properly charged), all the liquid has changed to gas. Meaning, it doesn't all happen at the capillary/valve.

[@stoveguy2133]

You can look for greenish drips from evap drain too.

[@georgeweisbrod1876]

My truck ,(Ford) had no condensation expelled. Dirt dobber wasps clogged the drain pipe and water overflowed soaking the front floor matting and padding. They also clogged the sunroof channel drain pipes so I had rain soaking the seats. Damn buggers!

[@antonoudenhoven7573]

Congratulations on the 500 k subs. Up to the next 500k buddy.

[@hariranormal5584]

that diesel idle sound omg beautiful

[@lechatbotte.]

You’re almost at 500k come on you’re new here sub let’s get Ray to 500k and counting! Congrats on the new hire! Go Ray

[@geraldharkness8830]

brilliant ray,,takes me back to my days at work!

[@garynewell6947]

Good day to you Ray another great video Ray your the best but the most important thing is to have your self a great Day

[@colinwhitby2473]

Great job you never cease to amaze 😊😊

[@aleccaptco]

Solid work Raymundo!

[@eddymahon1503]

I learned a lot on today’s episode. I always wondered why my can of whipped cream got cold when I sprayed it. Wow.

[@charleskadletc2431]

Ray: Very good video, and informative. I work at a dealership and learn also from the techs.

[@flinch622]

23 degrees... thats frozen evaporator time, not air conditioning. Accumulators generally don't go bad - schrader valves and o-rings tend to be culprits. But the gunk in the line: compressor failed previously? Maybe accumulatpr changeout gets rid of hidden crap. So far so good... you didn't break out the UV light before road test, which surprised me.

[@TStockton4]

The rapid change of matter with low boiling points going from a liquid to a gas (Vapor) is commonly known as the Joule-Thomson Effect. But you explained it perfectly

[@billvose7360]

I had one of those that needed almost every door in the HVAC system replaced. essentially the same truck, 2005 Ram 2500 Cummins Diesel. It ultimately had to have a new compressor. In my case the dash had to come out.

[@francisbaker9366]

As always very refreshing that you don't replace all the parts when they may not be necessary. Hope you removed your small light which apeared to be at the left edge of the hood when you closed it, when you checked for leaks back at the shop.

[@duckwacker8720]

The AC issue on my 05 is the fan clutch. I'll get around to replacing it sometime soon.

[@1957Free]

Thanks Ray have a great day

[@dennislyon5412]

500k subs - great job, Ray!

[@JaredJanhsen]

This customer did come to the right shop, Ray. I too have been a victim of the Air conditioner parts cannon. The most recent time I just gave up because that's what too many shops want to do; fire a full broadside with the parts cannon.

[@petersmart1999]

I hear you,a friend of mine was all set to get a new compressor on his Honda Pilot($1,400).He called me and askes if that was to high,I asked why is needed a compressor,he had no idea.He stopped by ,I swapped a relay and told him to go get a new relay,problem fixed $7.00! He went to the shop to cancel his appointment and asked them why they lied to him,they said they didnt really diagnose it,but it wasnt coming on so thats the most likely cause! Ugh

[@josephvantreeck2989]

Thanks Ray.

[@TheWabbit]

Enjoyed seeing this, knowing the issues with the Doge ramakist ( a friend loves his Doge's ) I see a future where the dreaded dash disassembly is needed to finish the repair ( as everyone who has been around them has found out ) Great video though, enjoyed seeing actual diagnosis and not just a parts cannon show that most of the mechanics around me enjoy. ( including some Ford dealerships ).

[@joelohberger3221]

right on good to see you are not just doing work that my not be needed; when I was driving never needed air-conditioning because its never hot In Eureka ca if its more then 75 degrees we are having a heat wave it may even get 80 for a few days a year lol it is the right place if you like fog and cold

[@mainstreetsilverback]

You are a true professional. Just subbed.

[@MrHardhatharry]

Very well diagnosed. Good job

[@grifonks]

Congrats on a half million subscribers Ray!

[@Markk9109]

Excellent job very knowable

[@stillraven9415]

Thank you!

[@richardhaywood4123]

Wish we had some decent a/c techs in the UK as no one seems to be interested in hvac repairs. Good video Ray and a good simple explanation of how the a/c works.👍

[@Yukonjackman1]

2001dodge 5.9 2500 diesel Just replaced my blend door Driver with the aluminum upgrade, had to reworked the new part wasn't to bad and now no plastic.

[@ItsAlwaysRusty]

Ray, I have the same exact year make of truck. You may still have a blend door issue with the passenger side inner vent blowing warm. On my vehicle the blend door will close but occasionally will stick open letting warm air in the cabin. I work with it by simply closing that vent but I believe there still a problem with blend door.

[@2509498788]

This guy is good. He knows his business,,

[@AntonioClaudioMichael]

Correct Amount of refrigerant works wonders for that cold air they desire Nice video @Rainman Ray's Repairs

[@normanphilo1446]

I made those in the factory I worked at. They are called cage fitting that the spring goes into.

[@mykofreder1682]

Good AC diagnosis and valve repair.

[@johnschmid7785]

22:00 The return of THE CLAW!

[@bobposey6961]

Great diagnosis and great saving customer $

[@williameident588]

Excellent video, great tutorial on vehicle AC systems I enjoyed it, learned a lot. I am a licensed ship board reefer (Refrigeration) engineer

[@charleslaing3426]

I use a little PAG oil on the o-rings to make assembly easier.

[@rmduda1]

I wish you were closer to me, tough to find techs that actually diagnose issues before changing out parts.

[@rrich8371]

Can't wait until you get that new roll-up door in the new bay.... straight in approach will be great!

[@stevemoore8599]

Diagnostics is becoming a lost art. Glad to see some people still doing it.

[@123renfroe52]

Great job! Keep up the good work!

[@thesnipersnestandmore7461]

Pro tip: let it sit with ac running when it starts draining shine your uv light on the drained water and you will know if it needs an evaporator..

[@jamesmillhouse4795]

Looks like you finally got a helper you needed it 👍

[@jamesvanzijl4348]

Good work Ray !