Citroën AZU | Engine Revival Part 2 - Important Lessons Learned
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- Опубліковано 2 лис 2024
- I like to do everything myself. and quite often that reveals a long path of failures and frustrations.. I try to revive the cylinder heads of the AZU but due to lack of skills, tools and knowledge, I end up doing more damage than good.
You live you learn! A part of the Journey as a DIY´er
#2cv
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I like the fact that you have been honest. Anyone who works on old cars knows that thing don't go 100% to plan. Keep up the great videos
Its not a fail, its a lesson for next time. If we don't make mistakes, we don't learn.
You probably know this already, but an easy way to remove the valve seats is to run a MIG weld bead along them, the shrinkage as they cool is normally enough to make it easy to remove them. Given that you have a "practice" head now, you could try to replace the seat. Heat the head in an oven to 100C, keeping it combustion chamber side up to avoid the other seat falling out, then using a freeze spray, or better, dry ice, to cool the new seat, and they will pretty much drop into place if the temperature difference is enough. Replacement 2CV valve seats, I assume, are probably readily available.
Love the fact you show your failures as well as successes shows good "karma". I like to use the kitchen oven to heat up parts to get even heating. I know the part is hot enough when i get a scream from my wife investigating the strange smell in the kitchen.
EdT
I'm across the pond in Oklahoma, I love this show.
Good effort.
Next time buy some oversized valves +1mm. And use 30 and 60 degree cutters to dial in 45 degree seat with. Basically, 30 and 60 degree cutters remove the excess seat material, to bring the seat with from 3mm to 1mm.
Been there, done that. One of those "how hard can it be" moments.
If you know someone with a machine shop, could they not ream out oversize the shattered part then insert a steel bushing that can take the guides?
Too bad! But those who never fail, never get their hands dirty!
‘A failure is not always a mistake, it may simply be the best one can do under the circumstances. The real mistake is to stop trying.’ - B. F. Skinner
Very nice that you take us through the process. Failure is part of the process!
Thanks for sharing your learning process and honesty! You learn a thing every day 😀
Yea .. I wish I knew what I know now before I started ! Ha!
You should not TURN the reamer backwards but it can be removed in the same direction as it was inserted
Seppo I forgive you ! as you say we all learn from our mistakes
You had a good learning day Seppo! I'm really looking forward to seeing the AZU being driven on the road again, such a cute little work horse.
nothing wrong with pulling a reamer out the way it went in, just keep rotating at all times, and never rotate backwards.
Sometimes you have to admit, yes it’s hard!, that some needed work must be done by a third party aka the machine shop. No screw ups, all just done well.
First you heat up the cylinder in an oven. The heat will be through and through. Then you pick out the valve guides from the freezer. Best is to have nitrogen to freeze it even more just before pressing the valve guides in.
Excellent video. A great way of learning
It’s a good job you keep spares!
I am very lucky to know some great people with a big barn FULL of 2cv parts.... :D
Great video - a good warning to peope also doing it for the first time, may help people avoid the same pitfalls...those seats were sort of very soft , ,maybe not suitable for unleaded ..as normal seperate seats like that require grinding, not cutting, cutting is for the cast iron heads with no seperate seats.
nay, you can cut hardened seats, tungsten carbide will cut hardened... and it works. grinding is just a new hype.
A learning experience
Really enjoying your content/videos.. in my world even the simplest of jobs can end up headaches.. it’s great you show your mistakes.. you live and learn.. do you have any interest in motorcycles ? ? Keep up the great work .. 🚘🚘
Mycket trevlig video! Jag lärde mig massor 🙂🔧 tack för du delar med dig oavsett resultat! Uppskattas !
Been there thanks
This is going to help me with my 300d project. Thank u very much!
I'm sure we've all broken engine parts trying to so things for the first time, I've got a few garden tool enignes I've broken in the process of trying to maintain, repair or adapt, cos I wasn't experienced in what I was doing, after all, mistakes are a lesson in learning what to do... :)
I had the heads off my GS and i decided the valves are fine. Based purely on my proclamation. 😂
Good job how ever the way I do valves is the same using a lapping stick but rather than using solvent is a touch safer more visual as you recut the seat that's the way I was many year's ago at tech college. Easy to correct just need a bit more pressure on on the stick to do the jobcleaning as you go one other thing the valve guild might be slightly to far though as I done it myself plenty of times I do enjoy your kids
Seppo I would be scared 😱 to at the thought of someone reaming me 😂, yes all down to experience I think and how do you get experience ? By doing it Ofc 👌🏻.
its hard to press guides on these small heads that have these crazy angles on them :)
The valve you didn't succeed with looked to be too recessed anyway.. I imagine it wouldn't be too expensive to just get new hardened seats fitted and therefore save that head. You also then get the benefit of less vsr in the future now we dont have leaded fuel anymore.. you only learn from experience...😊
They are already hardned... :)
But one head broken and the other one with the defective valve seat, it makes more sense to me (and the wallet) to use the spares...
Må man save stangen på sugekoppen over og stikke den i boremaskinen? Ser træls ud med ildstarter-på-øde-ø-metoden :)
1:21 Automotive queef
Ups! 😅 Nå men ingen kvaler, NP betaler! 😂
Haha det koster bare en panda...
@@SeasideGarage 😂😂😂
Først! 😄