Buick LeSabre - Large EVAP Leak

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In this video we have a look at customers 2005 Buick LeSabre that came in with a code for a large EVAP leak. I run you through the process of finding and repairing the leak.
-Enjoy!
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Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of South Main Auto Repair, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained.

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30 янв 2024

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Комментарии : 370

@kevindinsdale4103 6 месяцев назад

McCoy is lucky that he has the best teacher ever. I hope he watches and learns.

@SkidMarkSteve69 6 месяцев назад

Dr. O

@kenj.8897 6 месяцев назад

Might even learn the old reach around .🎉

@rcf8367 6 месяцев назад

But being a kid, he won't realize it until 5 years later…

@shameless6963 6 месяцев назад

I was gonna leave same comment. Take in every bit of knowledge you can and really pay attention to this man's morals. Good luck to you

@Speedraider366 6 месяцев назад

Agreed, be a sponge 🧽 kid your under a Jedi Master, use the force. I like to be the customer as well… well it’s not broke drive it around for a cycle to complete. Honestly keeps customers happy and returning

@michellemain8768 6 месяцев назад

Thank you for allowing McCoy an opportunity to work in your shop. My 16 year-old son is lucky to have found a shop to let him work and learn there as well. We parents and forever consumers thank you for teaching them a trade that is and will almost certainly be necessary for decades to come.

@DanBurgess-hp1mj Месяц назад

Your kids name is Mc Coy… maybe you should have named him Goober ?

@clintprice2123 6 месяцев назад

Eric has more integrity than most shops put together. He’s very humble, a noble trait.

@jamesspash5561 6 месяцев назад

Some time have McCoy do a Diag video with your guidance. 40 plus years ago as a young learner I worked with a guy like you who taught me a lot. More and more when I had asked too many questions or the shop was busy, he'd say "scope it out" He'd let me struggle for a while then step in with a pointer or two if he noticed I was going in the wrong direction. Ultimately this would lead me in my own direction to the solution. That way I never forgot.

@Intabih 6 месяцев назад

I'd like to know what McCoy knew prior to coming in and what are some things he has learned so far.

@DanBurgess-hp1mj Месяц назад

And now you’re a top notch grease monkey

@gdt5430 6 месяцев назад

I love this channel, Precise to the point, no merch BS, just great diagnostics and solutions. Best of all pure honesty in repair work. I feel terrible for the folks in upstate NY that have to replace their cars every so many years because the State loves their salt. With the price of cars and trucks now days that has to be very painful. Thanks Eric.

@t5ruxlee210 6 месяцев назад

Salt keeps the traffic moving and that helps to minimize what could otherwise be very bad accidents but I take your point. I once drove 100+ miles in minimal trafic on snow packed superhighway pavement after a big storm. That was back when studded tires were still legal.

@Robsvo 6 месяцев назад

@@t5ruxlee210 Studded tires are legal in NY in the winter.

@GlycerinZ 6 месяцев назад

@@t5ruxlee210 keeps the traffic moving but also literally rots your car.

@tedsaylor6016 6 месяцев назад

@@t5ruxlee210 Funny, Montana does not use salt (too cold there for salt to work) and those folks manage and their cars last.

@t5ruxlee210 6 месяцев назад

@@GlycerinZ We used to joke that the big three should provide free road salt "as a public service".

@kevincampbell8298 6 месяцев назад

You have to teach him the classic “well there”s your problem lady”! LOL

@billyscott922 6 месяцев назад

Eric, just wanted to say I love your content. McCoy is a lucky lad to have such a wonderful teacher.

@DanBurgess-hp1mj Месяц назад

Lad ? Really ? Lad

@drstewart 6 месяцев назад

I can't say enough good things about giving a young person the opportunity to learn in your shop Mr. O! It's so rare to see. The same people who say "kids don't want to work" are the same ones that refuse to give them a chance, forgetting that they were given a chance to learn as well.

@drstewart 6 месяцев назад

@@phillipbanes5484 Opinions vary.

@billdoodson4232 6 месяцев назад

I was just thinking I hadn't seen a video from Eric for a while and less than 5 minutes later, this one pops up. Good one Eric, hi from the UK.

@petemedina8446 6 месяцев назад

This is the second video of the day for this channel🎉

@crisprtalk6963 6 месяцев назад

Google knew what you were thinking!!

@billdoodson4232 6 месяцев назад

@@petemedina8446 Odd, the previous one when I looked was 7 days ago. I don't bother with any of the shorts though. Maybe that would have been the other one.

@joedingman4181 6 месяцев назад

Another fine GM product for Dr O to find the spot on diagnosis class is in session...

@richard3141592638 6 месяцев назад

As a non-mechanic, that was a great tour around what seems to be a complicated solution to a non-problem.... Thanks Mr O - great video, as always

@DanBurgess-hp1mj Месяц назад

You’re just “ stupid “

@dav1dsm1th 6 месяцев назад

It was interesting to see the tank fill tube swivel as you turned the fuel cap @ 13:00 - definitely seemed like that would be leaking quite bad (seems like the tube ought to be anchored at the flap end somehow). Thanks for the videos Mr O. Stay safe out there.

@williamschmitz971 6 месяцев назад

Love the fact you didn’t throw parts at it jus because it has been an issue on other GM cars! Good war to train McCoy in the right direction!! Great job Eric!

@mattbalik2585 6 месяцев назад

I've been chasing a P0440 EVAP code on my '01 Cavalier for some time without success. Changed the filler neck, verified both purge and vent valves work numerous times and smoke tested the system without finding any leaks. Quite the conundrum indeed!

@grumpydumper 6 месяцев назад

preaty sure they all rolled off the assembly line with the lite on owed a few

@agger838 6 месяцев назад

Check the fuel pump ring?

@Mr2004MCSS 6 месяцев назад

My son's 03 Cavalier has an Evap code(not sure which one) that he has had for a while. If he didn't live so far away I would put my smoke machine on it and use my scanner to activate the purge and vent valve to see if I could figure it out.

@knockywigglesworth1909 6 месяцев назад

We've made a few $$'s with a scan tool & the knowledge that Evap not ready will pass local Epa test in IL.. If all monitors have run & no active mil! Has to be that way for 5'minutes every 2 years to buy new plate sticker.

@TheJmich2001 6 месяцев назад

Mc Coy will remember EVERYTHING you teach him. He got a golden ticket like Marie and Hannah and Josh and J. and V and T.. You sir are a beacon of excellence and you inspire confidence... I am honored o have met you.!!!! NJ

@DanBurgess-hp1mj Месяц назад

🤣🤣🤣🤣🤣🤣 Mc Clown

@dondenny2534 6 месяцев назад

I wish I had gotten into the fuel cap business years ago!😂

@LesReeves 6 месяцев назад

Thanks for a video that does not have over commentry & also for your usual open honesty plus learning how an evap system works Cheers Mr O.

@paulyoung4814 23 дня назад

Thanks for the detailed troubleshooting

@maccarr9072 6 месяцев назад

3.8 was a good one for sure

@Yoji808 6 месяцев назад

Wish you were close to me (I am in UK).. I would bring all my (and family/friends) cars to you.. You are the consummate professional.. well done :)

@ellesmerewildwood4858 6 месяцев назад

The 3.8 was a damn good engine, Holdens in Australia used them for many years from the VN - VY Commodore and they were reliable and robust. Then Holden introduced the 3.6 Alloytech in the VZ Commodore which was an absolute POS with soft valves, no oiling for the rear valves relying solely on splash and constant timing chain replacements every 150 ks.

@stationaryenginesworldwide 6 месяцев назад

Another great video from SMA !!!thanks Eric and McCoy

@pzapped 6 месяцев назад

Thanks for your moral stance. Its edifying and thanks go's to your parents for helping form you into a man with a solid character. Brings joy to the heart of this viewer.

@DanBurgess-hp1mj Месяц назад

Sounds like he might be your soulmate ?

@W62315 6 месяцев назад

Eric -- I noticed that when you closed the gas cap at 13:05 the filler neck rotated probably 5-10 degrees. Not sure if that's normal, but I wonder if that could contribute to an intermittent gross leak depending on where the neck lands in the filler tube. Just a thought.

@joejohnson7097 6 месяцев назад

Thanks for the video. Enjoy watching. Thanks for helping McCoy learn the trade

@thadmachia9873 6 месяцев назад

Awesome wish everyone was as honest as you!

@jimburgess9205 6 месяцев назад

Great diagnosis, professor.

@JoseSilveira-newhandleforYT 6 месяцев назад

Honorable approach, Eric!

@keithstroud2908 6 месяцев назад

Good on ya for keepin the parts in the cannon!

@AnthonySmith-hr2kp 6 месяцев назад

Nice job Mr O. Honest man. Teach him well, hope he learns.

@dans_Learning_Curve 6 месяцев назад

"As a person who has morals!" A great quality to have!!

@rexmasters1541 6 месяцев назад

Great video Eric!!!!!

@alexp363 5 месяцев назад

Oh how I miss the 3800 Series II!!! I've had a few of them.

@TarZan49 6 месяцев назад

It's good to hear about how the evap system works. My light comes on for a small leak once in a while.

@larrymoney1127 6 месяцев назад

The people that live in your area and have work Done by you are very lucky. Most shops would go with that "hunch" and say this is the problem and start replacing parts. Not you, your an honest guy who has a reputation and most people would die to have someone like yourself working on their cars. I know I would. Thanks again Eric for all the educational videos you post. Always look forward to seeing your next video brother.

@richarddiaz8248 6 месяцев назад

Thanks for the lesson

@mikechiodetti4482 6 месяцев назад

The young guy will learn from the best. You found one problem, now it's up to the customer to drive the vehicle to see what happens. Can't fix what you can't see! Good one Mr. O. Hope young McCoy is picking up this knowledge and learning a lot!

@xnewguyx2738 6 месяцев назад

In the time I watched this it went from 2k views to 8.5k. Thank you Mr O.

@stevestadnik9206 6 месяцев назад

I have found more evap leaks with soapy water than seeing smoke. Lots of Hyundais with cracked plastic fuel pumps found the same way you were spraying pump. Keep up the good fight.

@mikecurrie4396 6 месяцев назад

new subscriber from Montreal, thanks for the informative, well put together vids!!

@plankton199 6 месяцев назад

Thanks for another great video. Nice to see that you have your own Padawan to train. Just continue to keep him away from the parts cannon of the dark side.

@gkizzle1265 6 месяцев назад

I really appreciate the fact that Eric is showing Mccoy the proper way to do business and not how to play wild bill hickock with the parts revolver even though it potentially cost him in hrs on a job that he could have had like 99 percent of the mechanics that i've delt with would do Eric O is the best mechanic i've seen by far

@sneaks01 6 месяцев назад

Welcome to the SMA YT family, McCoy! You’ll learn a ton from the Master!

@taurus66 6 месяцев назад

You have a young mechanic with you i hope he learns your morals and ethics and patience to be a great mechanic like yourself sir

@DanBurgess-hp1mj Месяц назад

Great hack… he couldn’t trace down the problem

@BobSakamoto 6 месяцев назад

Got a chill down my spine watching this one. From the years of running a shop, there were at least half the customers who'd be back when the intermittent finally failed. And even though you told them it was working at the time you saw it but might not be in the future, you'd get the rant of "I already brought it to you once! You're scamming me by making me come for another visit". Considering how many crooks are out there and how little people understand about their cars, I guess I can see why they'd think that. But it makes it hard to run an honest shop.

@ericcherveny5195 6 месяцев назад

I love waiting to see what kind of closing line you'll come up with! My comment section wasn't broke so here I am!

@brianthompson2045 6 месяцев назад

I have same system on 96 Buick. No access to top of pump. But Did find intermittent problem with regulator. Replaced with a standard and problem solved for now. Thanks SMA!!!

@alexandercahoulan6583 6 месяцев назад

Heck yea Eric!! Good ole South Main Auto video. Life isn’t that bad when we have SMA videos. Believe it or not Eric lol

@joemesser2681 6 месяцев назад

Awsome job Eric

@Paul1958R 6 месяцев назад

Eric, Great video as always - thank you! And I ❤polar bears! Paul (in MA)

@jamescaron6465 6 месяцев назад

Nice job. You did your due diligence. There is also the possibility of multiple issues. I had the issue where both the gas cap and the purge valve were bad.

@BucketList22 6 месяцев назад

Eric, it's in the seventies here in the free state of Texas. I just checked and my 2006 Dodge 2500 still isn't rusted. You're always welcome!

@georgeburns7251 6 месяцев назад

? So? No one really cares

@BucketList22 6 месяцев назад

@@georgeburns7251troll much? You're obviously new around here, or you would understand my comment....

@peters9929 6 месяцев назад

Such an honest guy.

@JackdeDuCoeur 6 месяцев назад

Nice work

@gflores7018 6 месяцев назад

Big Buick Thunder Thank you for the video

@jth1987leb 6 месяцев назад

Why was the filler neck moving when you took the gas cap on and off?

@CedarPass 6 месяцев назад

It moved.....@ 13:01 the filler neck moved when tightening the gas cap. I'll watch the rest of the video hoping that's something my favorite mechanic discovers as well. Such excitement!!! Update: It wasn't specifically called out. Dangit! I figure when the customer is finished putting gas in there (or fiddling around with the gas cap for any reason) they may twist the filler neck into a non-sealed position...and before ya know it you've got a "large leak". Explains how it's "intermittent" and not readily repeatable by Mr. O. But rest assured, the new clamp and the tightening will likely have fixed the problem - so call this one "done"!

@mikemiller3565 6 месяцев назад

Nice catch. Good reason to video that filler neck.

@joeanthony7820 6 месяцев назад

There was no clamp on it at that time.

@robertshaw4833 6 месяцев назад

aaaaaa plus video as always ! you make troubleshooting look easy!

@kens.3729 6 месяцев назад

Year 2005 already has two (2) Tires in the Grave and Leaning Hard into the Hole. Time to Sell the Buick to Wilbert’s Junk Yard. 😬👍

@PatrickJago 6 месяцев назад

So you’re not a thief. Rare breed my friend. Even the grocery store by me steals.

@JoseMartinez-tc9pr 6 месяцев назад

Teaching McCoy integrity. And another diagnosis for me with the 1998 buick century..took your advice. Rebuild head gasket kit and timing chain kit. The only issue is the new cam shaft position sensor won't relearn after reset.

@qemuandroid_8.144 6 месяцев назад

You've got both the skills and the proper attitude. Love it. One thing you might have tried given the conditions is let the engine warm up and check those valves again when hot, But then you're the expert, I'm not.

@jamesbruno5896 6 месяцев назад

Great diag guys!

@mph5896 6 месяцев назад

If that was my car, my best friends car, or my mothers car I would put a high quality gas cap, purge solenoid and vent valve on it and send it. They are not high dollar items, and you really aren't just tossing parts on it. They are high failure items that can definitely be intermittent. Better than having to come back to it and touch it again.

@STree42 5 месяцев назад

100 pct. Kills me to watch this guy refuse to replace cheap parts once he's already done 90 pct of the labor simply bc he can't prove beyond a shadow of a doubt it's defective. Ends up costing the customer so much more.

@chriscrusader5412 6 месяцев назад

About time you showed up! Jeeeeeezz.

@glenharper3136 6 месяцев назад

Thanks for the Eric and Mcoy.

@paulfroese1469 6 месяцев назад

Great video fellers😊

@user-sq5ur8ci5p 6 месяцев назад

Awesome content

@HotRod-wv4vm 6 месяцев назад

Perfect timing my son’s 97 Grand Prix GT has had this issue for months.

@user-oi9bg6fx5t 6 месяцев назад

97 still on the road, guessing you don’t live in the rust belt?

@HotRod-wv4vm 6 месяцев назад

@@user-oi9bg6fx5t unfortunately I do (NYC).

@snoopdogie187 5 месяцев назад

@@user-oi9bg6fx5t I'm driving a 95 Jeep, its probably been in the rust belt its entire life. Its a Jeep, you know its not the summer only vehicle.

@jayschroeder8091 6 месяцев назад

Great job ... your are good man buy not throwing parts at it

@toddcathyfranklin4189 6 месяцев назад

Good agonist repair hard to find these days great job

@douglash3129 6 месяцев назад

Hi Eric and McCoy, this young man hit the lottery,I hope he is paying attention!( Ahh grass hopper)

@markmessner4554 6 месяцев назад

I watched one of your videos from 6 years ago….boy was that rough!

@shawnudy9417 6 месяцев назад

Nice to see a guy who has a moral 🧭 compass.

@gregsidel3557 6 месяцев назад

Very good Eric, very good, I. Thi would have filler tube after you pumped up the system with pressure and then squirted the hell out of it with your squirt bottle. But as long as it's sealed, it's sealed, just saying they are very good. Tell mccord good job thank you eric thank you for the video

@ronwatson4902 6 месяцев назад

You're treating the boy right IMO. Good solid father skills.

@randyjones2721 6 месяцев назад

Right about the 3.8, if you keep them maintained, they seem to last forever. I don't watch often, but it is nice to see an honest mechanic instead of a parts pitcher.

@michaelpickett6573 6 месяцев назад

good job McCoy you did the best you could

@daviddelle774 6 месяцев назад

Trouble shooting my own Saturn Ion for a small leak I hooked my smoke machine at the same place and waited for the flow ball to settle. I looked everywhere for smoke. I used snoop (soapy water) everywhere. I can NOT find any sign of a leak! I did learn something when I decided to remove the gas cap to make sure I was getting smoke all the way through the system. When I removed the cap, the flow ball on the smoke machine did not rise up off the bottom and the tank pressure remained high. I thought I was crazy! But the system stays pressurized with the cap off!! Apparently, there is a "rollover valve" in the tank at the filler neck to prevent spillage in a rollover accident. I assume it's like a swing check and will allow the fuel in but if you try to push against it, it seals tight. That's my theory. So my next step, I guess, is going to be pressurize the system from the filler neck as soon as I get an attachment to hook the smoke machine where the gas cap is. Or, is it possible that my system only leaks under a vacuum and not under pressure??? Hope to find out soon.

@int53185 4 месяца назад

I owned a LeSabre just like this one. It had a different evap leak every year at emissions testing time. One year I replaced the filler neck and gas cap. The next year was the purge solenoid, followed by year three it was the pressure sensor. It didn't make it to year four. The rear coil spring mounts completely rotted out leaving the springs jambed precariously against the shocks. Great car otherwise.

@sheerwillsurvival2064 6 месяцев назад

Good stuff

@gmshitbox5621 5 месяцев назад

I had a buick like this where I would smell gas in the cabin if I took sharp corners. Ended up being the fuel pump lock ring, was so rotted that it stopped holding the fuel pump down, and fuel was sloshing out of it and getting into the trunk.

@tiredagain6722 6 месяцев назад

Time to go to Wilberts so they can part it out 😮

@NickMango 5 месяцев назад

Good thing is he can have one monitor up on that car and still get an inspection I think. In NY I mean. I would drive it, check the monitors, when they’re all up but that one bring it in boom you good to go.

@RideAcrossTheRiver 6 месяцев назад

I just had a p1450 code. Nothing wrong with canister, but we changed out the purge valve per mfr's instruction sheet. One other thing we did was to clean the capless fuel filler pocket and spring hinge with compressed air and WD-40. Apparently they can refuse to seal. There's also a rubber seal on the filler door that I think gets worn and lets water in to the tank and dust into the flapper's spring hinge.

@joesepspindel3335 6 месяцев назад

In taxachusetts a 15 year old vehicle doesn't have to pass emissions to get a sticker it just has to pass safety. We have the same issue with rust and most vehicles that old are rust boxes.

@kenj.8897 6 месяцев назад

I had a 2008 Grand Prix 3.8 at 5 years old the transmission lines rotted out . I had it fixed and dumped that sucker. It was crazy rusty underneath.

@sanagavizharan92 6 месяцев назад

I had one of these cars over the summer with an evap code. I ended up tracking it to the top of the fuel tank I think it was a hose on top that wasn't sealing anymore. There's a spot dead center of the tank you can get a bore scope in that fuel pump access hole and go over to the left some to see it. If I can get a diagram tomorrow I'll update you on exactly which line it is. The only issue would be how rotted that car is because the only way to access it is to drop the tank.

@edwicks 6 месяцев назад

Yup , I agree Mr. O ! Im having trouble with 2 Cheeps and 200 s , i friggin hate working on these cars . Emission codes every few months evap . !

@ronhall9040 6 месяцев назад

hopefully down the road the customer lets ya know if it's working or not and you update us that all it was was that dayum hose clamp

@jessieharris1676 6 месяцев назад

I just had the same repair on a 05 Buick Parkavenue.

@Michael-yi4mc 6 месяцев назад

I bought a new 1989 LeSabre and kept it ten years with 121 thousand trouble free miles. Only qualm was the alternator that quits every two years due to the alternator placed in the middle of the engine where the heat is. At least it is in an easy place to access to.