How to Install a Harmonic Balancer on a Chevy Small Block V8 | Step-by-Step Guide
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- เผยแพร่เมื่อ 21 ส.ค. 2024
- Learn how to properly install a harmonic balancer on a Chevy small block V8 engine. Whether you're building an engine from scratch or just doing some maintenance, this detailed guide will help you get the job done right. Perfect for DIY mechanics and car enthusiasts looking to keep their engine running smoothly.
#HarmonicBalancer #SmallBlockChevy #EngineBuild #DIYAutoRepair #V8Engine #CarMaintenance #DaveGuggisberg #EnginePerformance #HowToFix #CarCare
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Very important information. If that harmonic balancer slips off even at an idle it will destroy the crank shaft I know from experience.
Take his advice. Use the installer tool!
I could learn from him all day long.
Nice and calm, the perfect teacher
Thank you Robert, for the time you took to prepare this detailed explantion and demo. Great help as I install new heads and timing kit on my Daughter's 08 Jeep 3.7L
Today i took the harmonic off to replace it ..with motor in its cradle. on 1988 Blazer 350 i purchased recently..
And What did i fined ..? A short bolt that barely grabbed the 1st two threads of a Heliocoil crank. Geee's I guess someone did not think to take your refresher COURSE you got going on here... Which sucks,.!!.... I Swear
There's people i don't even know who want to make my life difficult at times. I don't need they're help in that dept...
Peace love and blessing. Commenting. Live live live from the Grand State deep inside Fema region 9
Putting together my first engine this year. A chevy 283 going into a 61 impala. This video's still helpful. Thanks for posting!
You made a big job seem do-able! Thanks
+Valerie Lyman Thanks good luck with your project.
Thanks for the video. I wish you were my neighbor.
Bottom out guy it means to the last thread ,bolt can be tighten with regular wrench or ratchet to the end thread
Best to put Teflon pipe sealer inside of the balancer to stop oil from coming out through the center of the balancer.
on the two or three SBCs I've worked on the crank bolt and big washer goes on after the crank pulley
It can.
If you wanna do it right anyway.
From what I know the pulley goes up against the harmonic balancer once that is installed that big nut in the middle tightens the pulley to the harmonic balancer and then there's three studs with built-in nuts that tighten the pulley more security to the harmonic balancer I didn't know that the harmonic balancer had to be torqued? Tell me more about that
Robert...Thanks. i found a great deal on a 74 C30 with a 454. dampner is shot. have a good day Sir.
think the bearing should have been flipped the flush (flat) end against the flat of the balancer and the nut against the inner spinning part of bearing, you can see where the outer shell of the bearing dug and scrapped the paint from the balancer once removed, Meh? I could be wrong.
You must bow to your SINSAY
Great job, I just sit down , been in garage, could not beat it on with hammer, Thanks !
Noooo don't ever use a hammer lol hammer and crank do not ever go together
Jonathan Lawson I used a puller and got it on, finally, Thanks
I installed a new Balancer on my 350, it's thinner than the old one wich makes it stand out more to the timing marks. When i put on my water pump i cant see the timing mark because the waterpump blocks view. It cant go on further with the install-tool. What can i do?
DONE! & running smooth.
+Valerie Lyman Awesome thanks for watching
Thanks for the video. I was wondering how to install my 1967 caprice 327 harmonic balancer. Really helpful. Also can I install the timing cover with the oil pan already installed? Please advise. Thanks
Quick and easy. Thanks.
nice vid,good info. i fear I've got to replace mine on my 4.3 ltr gmc. that sucker is tapping like crazy and starting to shake on the highway (50mph) and above. its even throwing multiple mis fire code. the crank position sensor is brand new,thats how i discovered. my question is does anyone know if the balancer is dif than the pulley? im sure it varies from make & model.thanks for ur time & knowledge.
I was trying to learn about mcdivitt law but this guy pops up and talks about a harmonic balancer
thanks for the info Anthony
good job , i need the seal repair kit though, and i find that one i bought seems a little short . so i pulled it and am looking for a longer one ,who sells the longer ones
I want one of those wrenches..just because.
Very good instructions made job simple.
Nice and smooth, thanks
I would like to watch Robert Dana Pick fresh strawberries. Then complain about " how the health care system is going to pot"
Shouldn't that crank bolt be torqued to 60lbs?
wish they would have threaded 327 cranks, for me its the lube every thing and use a block of wood
Nicely laid out. Thanks!
The right way to do this.
Thanks Rob
THANKS ROB
Nice and easy thanks for sharing my man
Thank you for the video.
Hello, great video!
I got a question about my 3.8L Dodge Grand Caravan engine.
I don't have any marks in the pulley does that mean I can press it on in any position?
Love your tutorials !!!! John
Great video Thanks!
Thanks check out my channel
On point brother thanks amill
How do you install a harmonic balancer on a 1962 Chevy Impala on a 327 engine. There is no threads on the crank end just a small hole smaller than 3/8 bolt?
cant find the tool you used in the video, can u help steer me in the right direction?
@@dikrankrikorian2802 I believe it's a Proform Harmonic Balancer Installation Tool that fits small block and big block Chevy crankshafts, part #66515.
So I installed my harmonic balancer on my 350 and it's not flush with the timing tab!
I felt it bottom out just like you did on it and went no further.
I ended up pulling it back off and matched up the new and old balancer and they looked the same.
I looked at the ride wear on the old shaft and the mark where the grease wiped off from the seal.
They both look the same. Just seems to me that the balancer is not in far enough on the crank.
Should I be worried?
How come my 350 the crank pulley goes on first then damper bolt and the 3 pulley bolts
Another question, What brand of Harmonic balancer should we get for a Chevy 350 first gen engine?
DORMAN PRT# 594-006
he has the bearing on the press tool backwards. as hes pressing it in
Why are you holding it still while you are turning the nut and washer. Isn’t the bolt dead end
I tighten my harmonic balancer like you did but how am I supposed to time it when you can't read a dial cater my balancer that's too far back it doesn't sit flush with the gauge
When you install the new balancer, will the mark on the balancer always match the "0" mark on the timing mark tab? Do I have to find true TDC at the compression stroke before uninstalling the old and putting in the new balancer? I am asking because perhaps the old balancer has shifted and I wan to be sure that the mark on the new balancer when at the ")" mark on the tab are 100% TDC. I have a 1978 Corvette L48 and suspect it has shifted. Any suggestions? Thanks!...
you need to invest in whatever size that is for a ratcheting wrench ^.^
great content!
What size washer and bolt is used to secure the harmonic balancer onto the crankshaft. Thanks for the help.
Thanks mate 👍
yeah but, what are you supposed to do if you try to tighten up the final bolt, and your motor rotates with the bolt?
how are you supposed to torque it down when this happens?
because i don't have a impact socket
Jeff Fuehr don't know if you've figured it out yet but if you have a manual transmission you can put it in 5th gear I believe and the crank won't turn. For automatic transmission just use a pry bar or good sized wrench and wedge it through the harmonic balancer. There's many different methods to keep it from spinning.
Use a pipe wrench to hold pulley laid it against a jack to be firm and torque down or use pry bar and take of starter motor and pry flywheel and have someone torque it down
An old race car engine builder taught me.. if you take out one of the spark plugs and basically feed a length of rope through the spark plug hole and obviously leave enough hanging out so it doesn't completely fall into the cylinder.. as you turn the motor over by hand the rope will prevent the Piston from making a full stroke and then you can torque down the nut.. he always used nylon rope because it's strong it doesn't fray as easily and it doesn't leave behind any material or scratch pistons or cylinder walls...
Its too late now. But i took out one of the injectors and stuffed rope in it. Worked like a charm
my old harmonic balancer was broken so the timing line was way off, how do I set the new harmonic balancer on the right line?
what if the crank isnt threaded?
Brandon Fulton I could not find any videos on this. I have the same non threaded crank. I finally called the engine shop that rebuild my engine for a professional answer to this. His answer, “You bang it on.” (Assuming large socket, dead blow hammer and all) And it should go on dry. Well there you have it. He said “Don’t feel bad, you’re not the first one who asked.” - I posted here because Robert Dana’s videos are the very well presented. - David Jones - Thank you for posting them.
When I put the pully on the balancer it has a wobble, any tricks to centre it, thanks.
nice but you didnt torque it down!
I could be wrong, but I think since it is a press fit and not held on with a bolt. Torquing it wont make a difference. You just get it on there till it's all the way on.
@@thatmarred_mustang that was my question thank you
I have a 2005 Chevy Astro and only when i am on idle or stoped and the van would be in drive the van will have a very rough viabration .Could that be the harmonic balancer ( The van had a full tune up and i am not getting any misfire code )
I got a 85' SS C10 Chevy Silverado Custom Deluxe small block and I need a new one of these....
Any suggestions???
Dosen't the pulley have to go on before the retaining bolt?
U put the keyway in first or after install before bolt
A 6-3/4 or 7 inch balancer which is correct
Nott bad mate
What's the torque spec on the bolt?
I have a 1989 chevy truck with a 305 v8 what is the torque is for the harmonic balancer and the crankshaft pulley
would it be the same way for 302 and when you take it off is their a guide line or something so I won't be off timing this will be my first time I need to change my timing chain
How would you have Torque a Harmonic Balancer down that's a deep dish like on a 2017 Silverado? I think you're supposed to use the old Harmonic Balancer bolt on this particular type for initial Torque then take it out and install new bolt.
My problem is how do you hold the Balancer still to Torque bolt without using a pry bar, essentially having the potential to sheer the crank key
Thought about using a 3/8" impact but don't want to potentially twist the crank
So the pin in the crank is line with the grove on the crank ? No need to be in TDC ?
Lined with grove in harmonic balancer
Is there a proper depth to look for?
I'm trying to learn auto mechanics
Very great and helpful video. Do you have a link to the install tool?
You can pick one up at your autozone... or god forbid O’Riles. Good luck out there
What kind of grease do you use?
And what's the spec torque?
I have a 2001 Chrysler town and country!
did you push your seal on with the harmonic Balancer ?
Don't you have to torque the bolt down to 250 lbs?
Just hit it with an impact.
Hey Robert you seem like the guy who would know. My 67 Camaro has a 383 stroker we can’t seem to keep it from leaking. I also have a pretty good tight high frequency vibration at around 25-2800rpm It’s not gear related cause it will do it at the same Rpm regardless of gear I can drive through this rpm range no problem it just really hates cruising or downshifting though this rpm range.
I have a Holley sniper EFI and Hyperspark dizzy. What’s your thoughts and tricks to keep my 383 in great shape (ps it’s a new build that came in my car)
Is it an internal or external balance crankshaft?
@@henrysmith8012 external bought a new balancer since I left this comment doing the rear main seal in a few weeks .. think we finally got the oil pan to stop leaking .. learned that you have to score the surface of any shiny metal 🤓
Driveshaft out of balance?
Bent wheel?
Lumpy tire?
Unbalanced wheel?
Bad wheel bearings?
Bad engine mounts?
Bad trans mount?
Bad suspension bushings?
Bad ignition?
Loose battery?
Vacuum leak?
Weak fuel pump?
Plugged fuel filter?
Intake/vacuum leaks?
Misfire?
Heatsoaked ignition ?
Vaporlocked fuel?
Leaky fuel line?
Leaky fuel tank ?
Harmonic balancer separating?
Flexplate weight fell off?
Etc...
Now let's try this removal and installation with the engine in the car to see how easy it really is.
It's just as easy bud there's no difference you have to remove the pulleys and belt system when it's in the car
Do you have to make sure cylinder #1 is TDC and line up the timing marks? You mentioned a dowel?
The shaft on the crank is keyed. Can't mess it up.
I have an SRT8 I'm building, just ordered the harmonic balancer. I can't seem to find anywhere the answer to my question. Is there a specific clock the balancer needs to be at? mine isn't keyed, it's a pressed fit.
Did you ever find an answer - I have the same question...
Very helpful, thanks, now Where to get a 50lb monkey wrench ?
What type of grease do I need and use?
Boy batter
What is the tool call
I believe it's a Proform Harmonic Balancer Installation Tool that fits small block and big block Chevy crankshafts, part #66515.
are they not tty bolts and what are the torque specs. i was told 240 ft lb then 140 degrees
Definitely not tty. It's a pressed fit.
How much different is it for a 454 BBC harmonic balancer? Great video by the way.
Thanks
I've got a 350 small block harmonica balancer will not go in all the way have tried 2 different harmonic balancers same thing any suggestions
Daniel Alvarez Jr. You may have stripped the threads in your crank if it gets to around 0 lash and then spins easily again or the balancer could be going on crooked
Or the crank timing gear isn't pressed in all the way
Thanks, So the pully is held by 3 bolts?
Yes
I have the factory woodruff key that is on my crank 66' 283 should I keep it or get it out and do a new one for the new balancer? Also My crank is not threaded what would you do?
I'm in the same boat with my 283 on my '63 Impala. Did you ever find an answer from other sources?
Brian Clem Brian Clem Pete’s Garage “great channel” told me don’t thread anything that is not threaded. That was his opinion whom I have a tremendous respect for, But there is a guy with a 327 , Classic Car Overhaul that used a tool to that guides the bit and then the tap nicely threaded 7/16 to receive the standard bolt that threaded units have. I found a seller on the web that sells the tool and the W size bit and tap to do the project with very little hassle. I’m thinking of doing it except if spend the money on the tool and then I go to the machine shop and the block needs too much work and overbudget it’s just an added expense wasted. If I do it after machining and I screw it up well pretty much a waste of the work I paid for if I ruin the crank (unlikely but you never know). What is the advantage of the thread? Extra secure for high performance and or being able to turn the motor by hand when working on it and building it versus having to turn by a pulley bolt cam sprocket bolt or slipping some DIY part or socket over the crank with a slot for the woodruff key?
@@lildeena1 , is there a way I can slip a picture of my situation to you? I believe I'm in the same boat. Crank not threaded. A real head scratcher at this point. The engine is in the rig currently. Thanks a bunch for considering ~ and posting here. My email is bloobeem@gmail.com - maybe just fly me a blank. Awesome!
Did you get an answer to your question?
hoolu2 advance auto parts sells a part online that the is called a Proform Crank Turning Nut. It is good but doesn’t have a locking mechanism like a regular socket does, so that may be inconvenient if you keep the engine in the vehicle. TH-camr Eric the car guy is building a sbc 383 or 350 and he has a fancier version that he uses that has a lock to keep it from coming off your ratchet. To take off my balancer I used a balancer puller from harbor freight. To pull the shaft timing gear I used a 3 arm puller. To put both the balancer and the new gear on I used a ballpin hammer and a thick 3/4 Brass Drift I bought from Harry J Epstein co. If you have anymore questions let me know. I kept my original woodruff keys in also. There are a few issues you come up with with these older motors since people don’t seem to like building them there isn’t as much info the older 283 265s and small journal 327s. If your very new to this and rebuilding an engine my advice to you you learn everything you can about deck height and how far your pistons are gonna be in the hole before you put anything together and buy parts. Don’t rely on your machine shop especially if they aren’t performance minded. you need to make sure all you measurements.
Hey David! I broke the harmonic balancer bolt!
How can I get it out?
@John Alarcon th-cam.com/video/dJfkCj3FWBs/w-d-xo.html
how does one know if they need a new one ??
charles philippe I guess there is a layer of rubber inside the harmonic balancer, like the balancer is two layers with a ring of rubber between them that you can see. Examine the rubber to see if it's cracked or stiff and falling apart. If so, then you need a new balancer
Yeah or check if it wobbles while the car is on.
YOU SAID ITS A PRESS FIT
Could you do that again I wasn't watching
dowel pin?
I caught that too..a dowel pin is round while a key way is square. Perhaps he confused the pin of a camshaft vs. the key way on a crankshaft...
4:13
Why did he have that, "I stripped those threads" look on his face? Haha
Grease her up boy 😂 awesome thx
Another person using a butcher tool, shifter? Don't you have a proper spanner to fit that nut on the tool?
That tool don't work for a dodge caravan.
Because the tool is designed for Chevy small & big block engines; not Dodge
@@topcat5777 I was letting all the caravan owners know because the title doesn't say small block Chevy. He says it during his presentation.