AirCooled VW Engine Case Thrust Surface and Problems

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We are taking a look at why we couldn't use the engine case from Joel's bus.
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Опубликовано:

8 сен 2024

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Комментарии : 80

@vwdarrin 5 лет назад

you can ues a piston ring from a briggs & stratton as a shim between the thrust and the bearing if you want to save the case

@Volkswagenplanet 5 лет назад

Your a genius Darrin, that's for commenting. Thank you for sharing all your knowledge to the VW community.

@VWJawbreaker 5 лет назад

vwdarrin I’ve heard the same somewhere else before and I wanted to ask you about that a few weeks back but I forgot.

@Fastvw1 5 лет назад

@@VWJawbreaker thats an old GEX trick

@JWClassicVW 5 лет назад

The man with the plan Vwdarrin!!

@billkea7224 2 года назад

I may have to give that a shot. I am going to build a volks air compressor and will never use a clutch. I still haven't gotten the engine apart, but wish I had not proceeded down this path.

@inthelandofmilkandhoney457 Месяц назад

Best explanation of Thrust Bearing and operation I’ve heard 👍👍👍

@VWJawbreaker Месяц назад

@@inthelandofmilkandhoney457 thank you, i appreciate that. I’m not an expert, just a guy learning from his mistakes and experiences along the way.

@inthelandofmilkandhoney457 Месяц назад

@@VWJawbreaker Your Welcome 👍

@Quentin60isthenew40 3 года назад

vwdarrin's comment is right on! From an old-timer: that's one of the scrapers from a 3-piece oil ring. Forget what tiny engine but it needs to have 2.75"/70mm bore. Same size as outside of #1 main bearing flange. EVEN EASIER/CHEAPER/WEIRDER... Cut a full circle (or two in a pinch) from an original kid's SLINKY toy. Wraps around # 1 brg, cut thrust to match. It ain't a new case but it works!

@VWJawbreaker 3 года назад

If someone wants to “repair” a case that way, that’s up to them. We opted for a different case for him to use.

@GoodOldMike 5 лет назад

Very well explained. You are a natural teacher, I think. I learned about thrust cuts and the VW bus minimum specifications on this one. Thanks Gary!

@VWJawbreaker 5 лет назад

Good Old Mike's Garage I love the “I think” 😂

@VWJawbreaker 5 лет назад

Good Old Mike's Garage this applies to all type 1 engines

@dustbuggy 5 лет назад

It's 3:30 in the morning here in Cali and I should be finishing a video...and yet here I am 😂

@VWJawbreaker 5 лет назад

Dust Buggy damn, I was knocked out lol

@CTmoog 5 лет назад

Awesome video man! We need more of these! Good stuff! Thanks for sharing! From the wise words of GOMG "You are a natural teacher, I think." =)

@VWJawbreaker 5 лет назад

CT “I think” lol He cracks me up!

@alaricmarvin6332 3 года назад

I know im asking the wrong place but does any of you know a method to log back into an Instagram account?? I somehow forgot the login password. I would love any help you can offer me!

@stanleyreyansh6835 3 года назад

@Alaric Marvin instablaster =)

@alaricmarvin6332 3 года назад

@Stanley Reyansh I really appreciate your reply. I got to the site on google and I'm in the hacking process now. Seems to take a while so I will get back to you later with my results.

@alaricmarvin6332 3 года назад

@Stanley Reyansh it worked and I finally got access to my account again. I am so happy! Thanks so much, you saved my account :D

@VeeDubP8 5 лет назад

Thanks for the information!!! I'm going to forget it later though... Keep up the great work!!

@VWJawbreaker 5 лет назад

VeeDub P8 that’s the beauty of RU-vid, it’ll always be there for you to reference when you need it!

@dustbuggy 5 лет назад

Wow his bearing was totally starting to walk! That's crazy man. The first time Spence and I built our motor it did that because of a bad line bore and we ended up having to tear it apart less than two months after getting it together 😣 lesson learned, do it right the first time haha. (We also learned, if shit happens go bigger 😂) Thanks for the info of the thrust cut thickness specs, I didn't know that!

@VWJawbreaker 5 лет назад

Dust Buggy just trying to spread what little I know 😁 As for your situation, learning as you go is one way to do it and honestly sometimes the best way to learn. Shit does happen, deep breath, get a game plan together and move on.

@drrjim Год назад

It is not correct to cut the case thrust surface to fit a OS thrust bearing. The proper way is to do the opposite. After the align bore you skim the thrust surface till it just cleans, then cut the OS bearing on a lathe hand fitting it to the case. This way you do not waste the thrust surface of the case, and you can get it tight. Important to get a tight thrust fit. Mark the bearing and the case at the dowel pin and tap it down with a plastic hammer.

@VWJawbreaker Год назад

👍

@FixinBugsNStuff 2 года назад

Well explained. I have seen spacers used to take up the play in the thrust bearing. I am not sure how well they last.

@VWJawbreaker 2 года назад

I’ve heard of others doing that as well but your concern is exactly why i haven’t tried…. I’m worried about longevity.

@TheEZGZ 2 года назад

agreed! nice job!

@VWJawbreaker 2 года назад

Thank you sir.

@Mtbeaver9 Год назад

Thanks for the video. I am just going thru this same issue right now. Can’t get the endplay I need. Already have 3- .010 shims in and I still have .026 endplay and can’t get enough shim to set it with three so checking and I have this same issue. Looks like new case.

@VWJawbreaker Год назад

They make shims of different thickness, shop around and see what you can find.

@JWClassicVW 5 лет назад

Fantastic information... great job with the explanation.

@VWJawbreaker 5 лет назад

JW Classic VW thanks man, I did my best lol

@MattLundquistVW 5 лет назад

My what a nice pair of comp eliminators you have there. Nice job on the video

@VWJawbreaker 5 лет назад

Matt Lundquist I wish they were mine but we both know who those belong to.

@busman5429 5 лет назад

Good info Gary , is that where they typical stamp the case if its been line bored. How do you measure the bore in the case to verify . I guess a quick check you can measure the OD Dia. of the bearings , but do you check the case with a bore guage ?? Reason for the questions, I have about 4 single port motors i need to pull apart and check that came out of 2 buses and 2 beetles.

@VWJawbreaker 5 лет назад

Dan Love yes correct buddy, you want to check the overall diameter of the case where the bearing goes. There are charts on line that will tell you how big the diameter is vs if it’s been cut and possibly how many times. I can also send you a chart if I can find it. Not all people who line bore and thrust cut cases stamp the case, but it should be stamped on the top of the case somewhere.

@TonyZVW 2 года назад

There is actually a very easy repair for the thrust, which I've used in the past, not often, but I've used it. Cut the thrust face until it cleans up. Buy a set of piston rings from an 1100cc Mk1 Golf (I think you guys called this one a Rabbit??). Use one of the rings as a spacer - fit it into the bearing. Measure things and machine bearing to fit into case with this ring installed.

@VWJawbreaker 2 года назад

Someone else mentioned using a piston ring also, I believe from a lawnmower or something. We were able to score another case and transfer everything over with new main bearings.

@JustBugginVW 3 года назад

Great video! We recently purchased a line boring tool kit from Grant! and Frank is gonna teach us how to line bore and thrust cut cases, your video was quite helpful in understanding:) -Dalton & GMAN

@VWJawbreaker 3 года назад

Oh man, shoot me the details on what you got…. I may end up going this route as well.

@JustBugginVW 3 года назад

@@VWJawbreaker not sure if you’re busy tomorrow but we are actually having Frank come over tomorrow to teach us how to use the line bore and I know it’s short notice but you are more then welcome to join us tomorrow morning! :)🤘🏻 we’ll of course be filming the process too! -Dalton

@VWJawbreaker 3 года назад

@@JustBugginVW I’d love to man and I appreciate the invite…. But I have to work tomorrow 😞

@JustBugginVW 3 года назад

@@VWJawbreaker aww darn haha but understandable! well after Frank schools us maybe if you ever need any help with Line boring we can help:)🤙🏻

@beardedg500 2 года назад

Wow my friend that's great information

@VWJawbreaker 2 года назад

Thank you for the feedback 🤙

@HHWheels 3 года назад

Super freaking HELPFUL. Explained perfectly thank youuuuuu!!

@VWJawbreaker 3 года назад

Glad you found it useful, as long as one person gains something from a video, that’s a win for me!

@Quentin60isthenew40 3 года назад

OBTW, to avoid letting your case ever get so EXTREMELY worn, make it a practice to grab your crank pulley & see if it "clunks" in & out at all (more than the normal .003-005" end play) You will notice when/if thrust bearing is getting loose. Try this at home! Best when engine is not running.

@VWJawbreaker 3 года назад

Yes I’m aware of end play and how to check it. This video was put out for the person who that engine belongs to so he could see what was going on. Thanks for commenting and have a safe week.

@Volkswagenplanet 5 лет назад

Very interesting

@MrGarcon98 3 года назад

i been having my motors built by fisher buggies in tampa and when i bring one back they always tell me oh you need a new case this has been going on for over ten years ! i am an old guy that has the qualification and experience to fix these cases ,,,and of course at my age all my equipment has been sold ,,,,,murphys law is still here getting us at times LOL ,,,,,thanks nice vid sometimes i wonder at age 67 and this being a hobby but the people doing the work today seem to not care about their customers like they should , is it worth going out and re re re buying tools all over again so i can get it done right ? just saying

@VWJawbreaker 3 года назад

I know one of the engine guys at Fisher, I’ve always heard good things from them. I guess anyone can have a bad experience anywhere anymore. I looked into the case tools but it is quite pricey and I don’t do enough engines to justify spending that much money. Luckily I have a guy that’s a few hours away that’s really good and particularly anal on everything.

@mr.motormaster9881 2 года назад

My case is worse, but i live in 2022, we have the technology to rebuild it 😅

@VWJawbreaker 2 года назад

We could have fixed it but that would have been an expense he couldn’t pay. It was easier to swap everything over to another case that had already been machined.

@mr.motormaster9881 2 года назад

@@VWJawbreaker im in MEXICO, thas why i gotta hustle a bit more 👍

@dustbuggy 5 лет назад

Do you know the symptoms of having the bearing move around like this? At the end you said that it happens with normal use over time, just wondering what to look for in the future! I would ask Spence but he's asleep 😅

@VWJawbreaker 5 лет назад

Dust Buggy an easy sign is if you start getting excessive end play, that usually means it’s time for a bottom end rebuild. That rear bearing along with the 3 shins sets your end play to .003-.005”, if it’s getting worse over time, that’s due to bearing / case wear. Adding more shins won’t cure it.

@dustbuggy 5 лет назад

@@VWJawbreaker that's actually what happened our first engine build, bad line bore and the bearing almost walked. I thought maybe you could tell before you found a pile of oil pouring from your block 🙃😅

@VWJawbreaker 5 лет назад

Dust Buggy if you push and pull back and forth on your main pulley on the crank, of the pulley moves in and out a lot and has loud clunking noises, it’s time to pull the engine and split the case. If the end play is set properly you will slightly be able to move the pulley but barley noticeable and barley a clunk.

@germanpacheco171 Год назад

Mexican cut the bearing to fit the case after minimal trust cut

@Fastvw1 5 лет назад

as soon as i saw that #1 brg I knew it was done. not pretty sure its junk it is. i know someone that has some aligned bored used cases for sale I think one is a bus

@VWJawbreaker 5 лет назад

JC Quick I got him squared away with a different case. He’s been back up and running now for a few weeks. I’ll keep you in mind if I ever need a case. There is also a guy in DeBary that I’ve been using since he’s close to me who also has a few spare cases. It’s good to know people!

@briansmythe3000 Год назад

Hey Bro , They Always Mark the Case Some where If Its been line Bored or Thrust Cut Don"t They ? I Can"t Find any Outer Markings on Bess Any Where , Behind the Flywheel where that one was Marked i Haven"t Split the Cases , But the End play was OK and oil Pressure and No Major Noises So im Just Ganna Put New Stock Barrels and pistons In And When I Save up More Money , Then i Wil lStrip it down and Rebuild For more HP and Stroke

@VWJawbreaker Год назад

I have seen some cases not marked when it was line bored or thrust cut. It depends on the person doing the machine work. If your bearings fit snug and your oil clearances are fine, put it back together 🤙

@briansmythe3000 Год назад

Cheers bro