Tool Time: Squealing Belts, Laser Beams and Pulley Alignment, WHAT!?

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Let's grab a laser beam and fix that squeaking belt! SAY WHAT!? In this video we use a laser pulley alignment tool to identify a misaligned pulley on this GMC 6.0 that is causing one nasty belt squeal. One of the most over looked items when folks are trying to diagnose a belt squeal is pulley alignment. As you will see in this video, it doesn't take much. -Enjoy!
OTC Tools 4529 Power Steering Pump Pulley Service Set: amzn.to/2CtJ3a2
Dayco 93874 Timing Belt Diagnostic Kit: amzn.to/2CwX5aX
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Disclaimer:
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 in this video is the sole responsibility of the user and not South Main Auto Repair

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30 дек 2017

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Комментарии : 590

@basedbulgarian511 5 лет назад

"That belt is so quiet, you can hear the leaky exhaust manifolds now." 😂😂😂😂

@tylerwightman2315 3 года назад

This guy is legit. He knows everything! I went to school for automotive & diesel technology 17 yrs ago, and although I never pursued it as a career I am constantly fixing vehicles for friends, family, and neighbors. I often find myself chasing my tail with certain issues and this would have been one of them! I would have changed the idler, tensioner, and belt....cursed up a storm when it was still squealing, then proceed to change the harmonic balancer, and drive accessories one by one just to suffer a brain aneurysm and possibly a heart attack simultaneously when non of that would have worked! Great job MR. O!

@christinehucklebridge1534 6 лет назад

smart. cleaning the grooves is often overlooked.

@farmboy30117 6 лет назад

Belt alignment and laser eye surgery... all at the same time! :D

@sarge152cliff4 5 лет назад

lasik by SMA

@sat_sonic 5 лет назад

This was one of the best videos. Never even knew the depth of some of those pullys is adjustable.

@lynnjohnson7859 2 года назад

I love you so much!!! You saved my life again. Thank you for being so thorough. You are the best mechanic ever!!!!!!

@commonsense2469 3 года назад

Thank you, thank you, thank you for this video! It saved me from going crazy trying to find the source of the squeak on my sons dodge pickup. We did just as you instructed and now no noise!

@wyattandwill12 Год назад

Great video. A coworker when I worked at a shop briefly gave me a Dayco kit. It may have even been to get it out of his toolbox and free up room but regardless I’m finally seeing an opportunity for it 1.5 years later. I wouldn’t buy it new myself in any relatively soon time if that $100 price I saw somewhere is current, so it’s great to have for free.

@dalltex 6 лет назад

Nice job Dr Evil. Hope you and your family have a safe and happy new year!!

@MagicalAscension 3 года назад

My '97 k1500 with a 5.7 was doing this, I took it to a shop and they couldn't figure it out. That didn't stop them from charging me. Gave me dirty looks when I came back. Watched this video and checked the power steering pulley, it was in too far by one quarter inch. Got it set in the right place as you describe and haven't heard a single squeak since. Thanks Eric O!

@stuzman52 6 лет назад

I could understand the first time around when the first shop got it. But when the vehicle came to the second shop, I'm sure the owner would mention to them about this issue had reappeared. Glad to see you got it fixed once and for all!

@robertgantry2118 5 лет назад

That's a pretty cool tool. I never knew they existed. I have found that most pulleys either go on flush with the end of the shaft, or down to the edge of the bevel on the shaft. I always just make sure to look at the placement before I take it off, and so far haven't had any issues.

@GNX157 5 лет назад

Eric, back in the mid 80's the first gen front wheel drive Buick park aves and century's with the 3.8 v6 had this same problem, fairly extensive. Back then we took a long extension and while the engine was running, we'd push on the side of the belt at various places etc. and see how that made it worse or lessened the sound and figured out where the problem was. In the case of the v6 there was a TSB on it and the fix was to shim the harmonic balancer out, and that fixed the problem.

@wshultz74 4 года назад

Great job Mr. O! Thank you for your great videos. Your wealth of knowledge is appreciated! Keep up the great work.

@erict4883 6 лет назад

You Da Man...as always all the other mechanics could not find the issue...way to go Eric O.

@bobbyossenbeck6402 5 лет назад

You should try trying to retime a Chevy 396 with one of those harmonic balancers that slipped Had to change one for my father-in-law

@davidhanson6515 Год назад

Learned something new , did not know that pulleys can be aligned manually like you did thanks

@bobmoy3406 6 лет назад

Nice way to end the year with a SMA video.

@BillSandHats 2 года назад

Just want to say your analysis of the source of the problem, and how to correct it was superb...My vehicle is no longer shredding serpentine belts! Problem was power steering pulley was 1/8" from flush.'

@texastoyz9341 4 года назад

Love the video, my son had a Jeep Wrangler that was eating one rib off the belt. Took me about 4hours to finally find the problem. The rubber on the crankshaft went bad and caused the pulley to move ever so slightly. Finally found the problem when I could just see a little bit of shinny metal on the crankshaft telling me it moved. Put on new crankshaft pulley and fixed the problem.

@jefferysmom696 4 года назад

I have done at least 500 of those...lol..Worked for years at a HI/lo(Auto Parts) in Houston and never once did it with Wrenches ...Always pulled and installed with an Impact ....We had a Special tool for Pulling but for installing we used the kit that came with the Pump ( Threaded bolt...flat washer...square Nut).☺ Kudos Mr O!!!

@Kaibil66 2 года назад

Thank you so much for your tutorial, my chevy astro had the same problem, I re adjusted the power steering pump pulley and the noise disappeared. You are the best, best wishes for you from Las Vegas, NV. Take care man.

@tomdewey9907 6 лет назад

Excellent info there Eric, I didn't now these types of laser alignment tools were out there.

@jimhaines8370 6 лет назад

We have been using Goodyear now Continental Elite belts and hose products for about fifteen years and our noise problems went away been real happy obviously this truck had a different problem but those belts fixed complaints that dayco and gates used to cause.

@gy9969 Год назад

Great video on pulley alignment and thanks for showing us how to use the lazer pulley alignment tool. The only problem with that tool is that the magnet sometimes doesn’t hold the tool onto the pulley that well and other pullers or things can block the lazer beam from reaching your target.

@baxrok2. 6 лет назад

Gotta say, that was very interesting as it's not seen often. Well done Dr. O and thanks!

@farmalltomf 6 лет назад

Well played Mate! Your diagnosis and solution was spot on. Nice to see a quiet lorry back on the road..................the poor bloke who had to listen to that will be your friend forever! He should shower you in quid for that service!

@afrance7524 6 лет назад

Hey Eric, talking to yourself is healthy. Arguing with yourself could be an issue and losing the argument, well, I don't want to think about it. Happy New Year to you and your family. Thanks for all the great teachings and videos.

@markwatson9816 6 лет назад

Alain Lemire Actually I think arguing with yourself is ok. I draw the line at beating yourself up and knocking yourself unconscious - that's when you're definitely coo-coo!!

@Svande51 6 лет назад

Good vid again.. Have to admit when I first tuned in, there was a real Red Green feel to the way Eric produces his video's . (Without the duct tape, but with a Laser) LOL....Good stuff as always!!! I do pick up good info every video.. Thanks for sharing, and the info always gets you pointed in the right direction..

@EvanT1995 6 лет назад

You working with that pulley puller was crackin me up!

@throttlebottle5906 6 лет назад

actual pulley misalignment amazing! I've mostly found chinesium plastic, aluminum or steel pulleys worn down from fluid leakage and grit eating them. of course no amount of cleaning or belt type fixes that issue, new pulleys all the around.

@TheTheomax 5 лет назад

Another awesome video from SMA.This is the sixth one in a row I've watched tonight and only on my 2nd Inducer Rebuild I guess I'm doing more watching then working. Oh well I know one thing I'm going to get me another SMA shirt!!

@chrisbechtel1434 6 лет назад

Looked like a perfect opportunity for the "Good Stuff" cleaning out the pulleys.

@hectorgalvan8674 6 лет назад

Belt so quiet you could hear the leaking manifold gaskets 😂😂😂

@schwartzenheimer1 6 лет назад

Always learn something new here, thanks, Eric.

@walterpchrysler9446 6 лет назад

You learn something new everyday.

@richardcranium5839 6 лет назад

that was squeeling like ned beatty on a canoe trip lol

@richardcranium5839 6 лет назад

i hear banjo music !!!

@jpecorel1 6 лет назад

Gross.

@Thermool 6 лет назад

richard cranium so this makes Eric, Burt Reynolds with his bow!

@roadkill5333 6 лет назад

richard cranium Ned Beaty had the hardest part.

@THREESHOTBANDIT 6 лет назад

Bahahahaaaaa 😂

@robhunter2435 10 месяцев назад

Thanks for the education Eric

@ApexHotShot Год назад

“That belt is so quiet you can now hear the leaking exhaust manifold,” Comedy courtesy of Eric O. … and lasers, too! Thanks for bringing us along.

@ChevyCitation 6 лет назад

At 14:55 when Mr.O was spinning that P-Steering pulley you can see the lip of that pulley was sticking out past that washer that was on the Idler Puller after the adjustment at 21:45 you can see the lip on the P-Steering pulley is way in now. Good Job Mr.O

@robinsonsmotorcycleandauto3929 6 лет назад

Great Video Eric I probably should buy one of them as Pulley misalignment is more common than one would think but usually it's cause is a pulley failure or water pump coming apart causing the misalignment

@G31mR 4 года назад

This guy's diagnostic skills are supernatural. I could see an 80-year old guy knowing all this, but Eric O. ain't that old, fer cryin' out loud. He's GOOD.

@mikefedele4521 6 лет назад

I remember the older tbi/tpi had the exact same issue. Good times dealing with rust and stripped out pump threads....

@anthonyrodriguez2613 4 года назад

Great testing diagnostic theory with tool laser beams and pulley alignment

@junkopotomus Год назад

super helpful. I have had a chirp for a while since I changed my ps pump. I noticed the belt was at the back of the idler. I sucked the alternator forward but it wasnt enough. I will check my ps pump pulley this weekend. thanks.

@jasonchallis5169 3 года назад

Just fought this problem this summer. Found after changing power steering pump. My pulley wasn't in all the way. 97 Chevy. Same style set up

@TheCrazydata 6 лет назад

great video and for you Eric and your family a happy new year

@casketblack5660 6 лет назад

I just went through this exact issue on my 5.3L after replacing alt, tensioner, idler, a/c tensioner ( which is unrelated) and power steering pump but I had no laser tool! Ugh man! Initially all the work I did was fine no probs. But then it started raining for days at a time and outside temp dropped down to the 30's and 40's and it started squeeling and bad. 2 dayco belts later, one of which kept walking forward on the crank pulley by a rib which I couldn't figure out for a couple days, repeated adjustments and a lot of cussing I got it right, but once I got it correct with the dayco belt, I put on a Goodyear Gator belt instead to seal the deal. Everything has been perfect since then and it's been staying that way even under heavy work load and repeated full throttling on the freeway etc... I didn't know there was a laser tool, I know now though ughh! Oh well... Thanks for the video I appreciate it.

@rollingrockfan2482 6 лет назад

New Year's Eve Eric O in the morning doesn't get any better. Even though Eric doesn't like Dayco belts if other viewers are like me I always at least look at tools Dr. O uses and I'm starting to use his sayings, but at least I can use them in mixed company.

@darylzero3139 6 лет назад

No beam, laser beam, no beam, laser beam. Happy New Year! Eric O.

@BigDog50001 6 лет назад

I hate it when I misalign my pulley! Nice video Eric.

@comingundone27 6 лет назад

Nice shout to Leon! RIGHT.....SORTED!!!

@hdrk59 5 лет назад

That was pretty easy?? I laughed when you muttered that ...great job and very informative . Thank you

@robjeeves1486 6 лет назад

happy new year from Australia !

@yambo59 6 лет назад

Great video, valuable info. Ive never had a Dayco belt that didnt squeak no matter what vehicle. On my old 2003 S-10 ive had excellent luck with Goodyear Gatorback belts, never a peep of noise and I get excellent service life. No parts stores around here carries them, have to go online. Eric your videos ROCK-!

@Kamuna2003 6 лет назад

Didnt even know that miss aligned belts was a thing. Thx for the vid.

@terryharms235 6 лет назад

I thank you so much for all the info, There is a lot of this problem, Happy new year to you and yours

@anhnambinhtrungtay7330 6 лет назад

Limited space. Great job and effort, man!

@Electromagnetizery 2 года назад

This turned out to be my problem. The guy I bought the car from had straight-edged the pulleys but the grooves were still out of alignment. Belt squeeled like a banshee. I pushed the pulley in to match the shaft and problem solved. Thanks South Main Auto Repair

@buffsheeri 6 лет назад

oh happy new year Eric all the best to you and yours.

@lertsomboon1481 6 лет назад

Happy New Year! Love your videos... keep em' comin' :)

@dennisphillips5782 6 лет назад

Great Repair, never used a laser before Thanks MR O

@frugalprepper 6 лет назад

WOAH! You just shined that laser beam right in my eye! I want my money back. If you looked close at the belt coming around that pump pulley you could see it was leaving the pulley at a slight angle heading up to the alternator. Glad you got that all sorted. Happy new year.

@brainfreeze44131 6 лет назад

Next you'll be wanting your money back for the bad air.

@jkxelor1295 6 лет назад

Man this was awesome and solved my mystery squeal. Thanks !!!

@nashguy207 6 лет назад

Thanks for sharing. Very cool and useful tool. I could see from the camera angle that the pulley was not aligned correctly.

@jamesdickson3616 6 лет назад

Good job Erik you explained the job very clear thank you .old Jimmy west Australia

@Ian-of9oi 5 лет назад

I’m a Millwright in Canada and we do laser belt alignments often.

@IBenZik 5 лет назад

I bought a 1989 Ford van that had a belt squeal problem. The dealer sprayed it with lithium grease to stop the squeal. After 4 belts in 2,000 miles I took it to another dealer and the tech came back to me, while the vehicle was out side the shop, with a simple yardstick in his hand and told me to look. One pulley was almost a half an inch off. Thank goodness we had a Lemon Law in our state.

@rtchrg440 6 лет назад

Excellent vid Eric - our 01 Chivvy shop truck has chirped forever! Time to fix per your vid!

@roadkill5333 6 лет назад

Happy New Year, to you and yours, from me and mine!

@heyitschinoable 6 лет назад

Eating some finger food and watching SMA ohh ya!!! Happy new year 🎆!!!

@lesbender236 6 лет назад

Had a squealing issue on my 4.3,changed belt,tensioner etc to no avail. Turned out to be the power steering pump bearing was worn so it was throwing the belt out of line..A new pump fixed it,but I was amazed that with that much wear the pump was not leaking.Had it been it would have been obvious that was the problem.No laser,but a straightedge works well also

@547Rick 6 лет назад

Happy New Year to you and your family!

@jorgefernandez-mv8hu 4 года назад

Well I'll be dipped. I will now have to check out the alignment on my pulleys. That bird is annoying. Great video.👍👍

@wyattoneable 6 лет назад

I don't know why, but every time you yelled "Stupid Chevy" I cracked up.

@anthonysholars7701 2 года назад

Thank you. I was tired of buying $80 fan belts. I bought a laser beam and pulley alignment tool.

@douglasgreen437 2 года назад

Great job, You got that SORTED..🤔👍

@klwthe3rd 6 лет назад

Had me laughing so hard, "No beam, laser beam; No beam, laser beam; No beam, laser beam!" Its always fun to learn and enjoy your time with Eric O. Hey, dont give up on your Google + subscribers! Not everyone uses facebook you know! Great video.

@scottfranklin8282 4 года назад

If Nick Nolte was a car mechanic.....LOL This guy is great!

@tompickett5922 5 лет назад

Thanks for the tip, worked very well for me 😊

@bobschmaltz4434 3 года назад

these were in a bulletin throu GM for the repair done 100s of them!

@SomethingEternal 2 года назад

Thank you, this video helped me diagnose my engine bay squeal (alternator belt pulley alignment.) Didn't help me fix mine, though. But I finally know what the problem is: And that's been my problem all along (not knowing or being able to diagnose the source of the noise.) Mine rotated from tensioning it over the years. The method to tension it is to leverage a crowbar against the alternator, but it has gradually caused a very slight twisting of the mount over time (1-2 degrees maybe, it's visible but only barely.) Trying to think of how I can fix this without breaking anything lol.

@ericcorse 6 лет назад

Well done professor O

@denniswilkinson1118 6 лет назад

Well done . Lesson learned, thanks!!

@zxtenn 6 лет назад

I had to replace the pump on my 1996 Jeep Grand Cherokee 5.2 which had the plastic pulley, the junk yard pump had a metal one and it was 1 groove off when I installed it so the belt actually rode on the lip of the pulley. I got a replacement plastic pulley and installed while it was on the Jeep and I bottomed it out, perfect alignment, seems the serpentine belt is more particular that the OLD V belt-- Yes I know about rusted bolts, etc. on old and Northern cars, I was changing the bump stop cups as they were rusted off and I needed to bring it to the muffler shop to weld on a useable nut and remove, the other side i got lucky on and it came off with some serious pulling The 3 12 point 13 MM hub bolts are another PITA when they get old and rusted, be sure to replace when changing the axles, 55.00 for6 bolts not cheap but well worth the aggrevation

@Micko350 6 лет назад

12:28 old skool tricks, Haha! You mean spray the crap out of it with Belt Grip?! 🤣 Happy New Year from Australia Eric & family!

@dpt4402 6 лет назад

Great Work , In the HVAC field we use string .

@FredFlintstone21 6 лет назад

DP T Cats like string too lol

@kellyappel3015 Год назад

Our parts store has carried Dayco belts and hoses as long as I can remember. I've installed a lot of both. No issue with them.

@DudeHammer 6 лет назад

The video i have been looking for ! Thank you, have been dealing with this exact problem for months !

@southjerseysound7340 6 лет назад

If you dont have the laser you can use a string and a ruler.

@Micko350 6 лет назад

SouthJerseySound Steel straight edge!

@Kaibil66 2 года назад

Great video, very professional job. 👏

@SmittySmithsonite 6 лет назад

Squeals and squeaks hit some OCD nerve in my brain and make me wig out, LOL - especially if it's my own vehicle! I'd be going bonkers until I fixed it ... or drove it into a tree to make it stop. :D That laser is pretty neat - I never knew they existed for that type of application! Quick and easy "go/no-go" test there - I like it. On my own vehicles, I usually pry out the grease seals on the bearings, flush 'em out, and pack 'em full of J/D Corn Head grease - works pretty good. My Silverado is at 91k with all the OE stuff (except for the A/C tensioner bearing - spins WAY too fast for NGLI #0 grease - think that one needs a 000 or thinner) - belt and all. Quiet as a mouse ... now, at least. :) She started getting pretty talkative around 70k.

@SmittySmithsonite 6 лет назад

Ahh, forgot to tell you and the family to have a hap, hap, HAPPY NEW YEAR! :D

@125sm3 6 лет назад

Nice job Eric O

@bigrockk2980 6 лет назад

I love these videos, I know my highly efficient 2007 GMC 2500HD with the 6L engine and 4:10 rear end love them too! I do wish Toyota made an HD truck. Oh well they don't so for now I'm stuck with Gm. Happy New Year O's! Hope you are feeling better Eric.