How to repair a Mazda MX5 Rear Arch and Sill Section
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- Опубліковано 27 сер 2024
- In this video we show how to repair a wheel arch and sill section on a Mazda MX5/ Miata.
This shows the steps required to remove, treat and replace the sill and wheel arch section on the MK2 Mx5. check out our other videos in our Mx5 playlist showing paint prep, painting and flat and polishing to get that deep shine.
More how-to videos on their way!
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Thanks mate for these more in-depth videos that don't go from rust straight to masked and painted. Going to have a crack at respraying my MK1 this christmas and it's good to know what I might need if she's a bit dirty under the skin. Cleaned about 6 handfulls of leaves, dirt and crap out from my L/R front fenders last weekend. Dreading taking them off to see under.
Thanks for the kind feedback. We enjoy making more in depth videos to hopefully help people out. Hope the rust isnt too bad for you!
Brilliant videos.
I must say after watching these that I'm relieved I went the Boxster route when I decided to enter the hairdresser's cars scene. The Miata & the Boxy are very similar cars, it's just that the German cousin doesn't rust at all.
Mazda's do :)
Really helpful video, I'm going to be tackling the rust on my S2000 this winter, which is in a similar area so will probably be quite similar to this. Fingers crossed it's as easy as you make it look!
Hi and thank you :)
Best of luck with your project :)
Great video shows how easy it's done when you know how,I watched it at least 20 times then did my mx5 my self brilliant video p tyrer bristol
Glad the videos helped Paul 👍
Can’t wait to get mine done! Hope I see it on the UA-cam channel
Yours is currently being worked on :) we will try and get some footage 😊
It’s great to see someone take the time to carry out a proper repair. I’m curious - at 6.31 the sill looks to me like it has very slight traces of rust left. Once you treat the rust is that good to go or in a money no object restoration would you need to cut it all out? .
hi yes that is surface rust and one rust neutraliser is applied then its good to go, with no expense spared it would be cut out but these are customers cars who are on a budget :)
yoo this dude is soo chill even on 2x speed :D
Best way to be :)
This was rad. Someone cut my fiances miata quarter arches out for fender flares and were wanting to put it back to stock body. Really doesn't seem too bad to do.
Its easy once you have the correct tools :)
This is great video, i have same project going on. 👍
What is that silver paint what you put inner parts and what is that glue?
Thanks great video gonna give my MK1 a go soon and nice to see what's in there as I've never done before, can't be too different
We also do mk1's all the time. Hopefully get one filmed soon. Thanks
Knew they rotted but not as bad as that great to watch
Thank you , glad your enjoying the videos.
Amazing job, mines had a similar sort of thing where it's been plated, went through MOT ok but I've definitely got some bubbles and stuff coming through, might need this doing soon
They tend to rust from the inside unfortunately. Thanks for the comment!
@@yorkshirecarrestoration What sort of prices will you be looking at each side for this level of work in the video? Thanks
Very good video that loads of details. I have done one side of my car but the other is still to do. Interesting method tucking in the new panel slightly. Can I ask why you use sealet rather then weld on the lip please?
it needs sealing to make it water tight and the sealants you can get today are super strong so well upto the job.
if sealant then welding is used it burns the sealant away so the wheel arch is no longer water tight.
@@yorkshirecarrestoration Hi what is the black sealant that you used
Amazing work as always, I can’t help but keep watching your videos, really appreciate your expertise and efforts you are putting in each repair. What is that spray you put on bare metal please?
Thank you :) glad you are enjoying them :) that's 2k etch primer :)
@@yorkshirecarrestoration thank you :)
Great vid, what welder settings did you use for the welds?
No 6 out of ten for power and no 4 out of ten for line feed.
Wow a mx without rotted inner archer there is a first did u put the drain dimples back in the sill nice work there
Would the water be able to escape if this wasn't done? Curious as I'm going to have to get this done eventually.
@@leeb003 there should be a small hole at the back of the dimple at both front n rear of car but best to remake them
yes there are drain holes there for water to drain
Hi mate, great stuff. What coatings did you use?
* Was it Zinc coating for the inner - what brand?
* What did you spray on the arch before fitting - weld through primer?
* What sealant in the caulking gun?
Am I correct in saying the arch/panel is lap welded on instead of butt to butt? If so, why didn't you plug weld through to the other side? Is it because what you did is strong enough in this instance? Does lapping not change the profile of the body curves?
Those welds look spot on - sometimes mine are cold. What speed / amps did you use? Assuming .8 wire?
Sorry for all the questions - i'm trying to hone in on the right way to do things.
Thanks a lot
It probably was zinc primer although you could also fire some actual paint on top
Yes he used weld through primer or it would spatter
Tiger seal is a pretty decent sealent or a panel bond
He used a lap weld. To get it to work you need to use the joggler the tool he used on the edge creates a flange to offset the panel. It allows it to sit flush . It makes for an easier weld as you have thicker metal essentially then grind it down after . Although the lip has a chance of collecting water and rusting again . The weld through primer helps but it’s still a risk . Butt joints will last far longer but are harder to weld and you also have to match the cuts on both panels
Hi yes a zink based primer and weld through primer
What sealer/adhesive do you use at YCR? (The black stuff that went on the inner sill before attaching the replacement panel )
we use 2k primer and the black stuff on the edge of the arch was tiger seal to bond the panel and we use upol gravitex for the stone guard on the bottom .
apologies if I am being ignorant I dont know the first thing really about bodywork, but wont tucking the arch under the old one cause water ingress? If not amazing because thats how ill do mine!
In our years of experience we have never had a problem or seen a problem with it, the panels are all waxoild afterwards inside to protect and its also a matter of cost, if money wasnt an issue then they would be butt welded , a butt joint can be done but most people dont have the money to invest in these cars or welding skills to do this themselves and this is what these videos are aimed at.
money is always the object or we would all have the very best work done but the cost would outweigh the car :D
hope this clears things up :)
@@yorkshirecarrestoration Certainly does, thanks!
So you put it underneath the old panel?? And what you do with the innerseal wich u cut off?
Nothing it's bonded to it and dosnt require it. It's a modification to avoid it happening again in the future :)
Hey, I need to do similar work on my car as there are no patch panels available for my car I've had to cut replacements from a donor car. Where you folded the patch panel under the existing panel for the arch would you suggest using a flange tool to make it fit under and welding them together or but welding the two pieces together?
Yes using a flange tool would be better but is more time consuming and harder, we have tried to make the video as simple as possible :)
Great video I'm doing a similar job on a mazda bongo, did you use fibreglass filler over the weld then normal filler to finish?
Yes fibre glass past as it's waterproof just incase there are any weld pinholes, then filler over the top.
Nice video but the music made me watch it on silent 🙉🔁
We try to vary the music as everyone's tast is fm different :) glad your enjoying the vids :)
What sealer do you use for sealing the return lip on the arch please? Will be doing my NB over the winter and was wondering how to sort the arch return lip out. Thanks (top job BTW)
We use tiger seal as it sets like hard rubber and makes a goo permanent water seat
excellent work. Did you remove battery/ecu before welding or is it safe to leave connected on the mx5?
yes a battery should always be disconnected before welding :)
@@yorkshirecarrestoration Thanks, need to do a bit of welding on mine, if its too bad underneath i'll be giving you a ring.
Do you knock down the weld before grinding or is it not necessary as you only have maybe 1 mm of filler difference between the bottom arch and the upper arch?
No we don’t knock down the weld. We just grind it :)
Is it a gasless mig welder you are using ps great video
Thank you Paul. Nope it’s regular mig with gas :)
Un suscriptor mas saludos
Gracias Pablo :)
Whats the best sealer and primers ye use on the metal to protect it from further rust?
Have ye ever done any ek civics or eg?
top job !!! , but no mask when sanding filler .. naughty .. i once did that and got a nice cup across the ear from my old man haha
Thanks! And yes, it just steams the glasses up 😅
@@yorkshirecarrestoration i know the pain lol , i found buffing my glasses with wax to stop steaming up haha
Very nice video! Gives me the motivation and confidence to give it a go on my own one. I had my MX5 arches repaired a while ago but now have an issue where water will leak into where the battery sits from where the rear pannel and behind the rear bumper meet, any advice on how to tackle this?
The issue of water in the boot and condensing on the boot lid is almost always the hood rain channel being cracked, contact us further if you would like any further info, you can find and contact us directly on Instagram :)
@@yorkshirecarrestoration I don't have Instagram sorry. How much extra work is it to replace the entire rear quarter panel vs welding in a repair panel? My mx5 got T-boned whilst parked up once and the damage was in area's the repair panels don't cover. Hence why I think the water is coming in between the panels near the battery.
How much further is it than the repair panel do you know? A new sheet could be fabricated to extend the repair panel. Do you have Facebook? We are on as yorkshirecarrestoration
If you could send us some pictures we could assist further
Hi great video my nissan 350z needs rear wheel arch doing , can i just ask when you tucked patch panel under original arch to cut to size before welding did you joggle the edge ?
hi no we didnt , it makes matching the joggled edge to time consuming and therefore much more expensive to repair to match so its tucked and welded and when ground back only requires a thing skim of filler.
Hi there, what size sheet metal did you use for the inner sill?
we always use 1.2mm or thicker for the inner sills.
Great video. I have a 2016 Miata that was hit on the rear left side above the wheel. What is the average price for repairing/replacing the panel? I am trying to stay under $3000
hi with it being a miata and your budget being in $ im guessing your in the US ?
@@yorkshirecarrestoration Yes that's correct
What’s the sort of price looking at for this to be done?
Hi Joel, thanks for thr comment. Could you get us on Instagram @yorkshire_car_restoration we can get you a price there. Thanks!
Fantastic work, a true artisan. Only problem with these videos is they in too soon. However, Did anyone besides me find that damned music annoying as hell?
Haha we do try to vary the music 🎶 in our videos as can’t always cater for everyone :)
Where in Yorkshire are you based?
Please can you contact us on Instagram at yorkshire_car_restoration and we can let you know. Thanks!
How do we contact you...tried on Instagram without success?
Hi we will answer on Instagram, sometime a little slow as we both have full time jobs as well :) thank you :)
sez 2 comments but there is none
Bots :)
How much do you charge
@@garyogilvy4521 it works out about £400 per side
@@yorkshirecarrestoration does that include you supplying the panels and paint
@@garyogilvy4521 yes that's parts and labour all included :)
Bro the amount of adverts in your videos
Hi, is there an abnormal amount? The adverts have been set up as recommended by UA-cam. We don't want to be pushing people away by too many. Thanks
@@yorkshirecarrestoration i had 5 in the 20 mins no hassle just saying you gotta make bank off these ... dont worry none
17,30 no mask ? too dangerious
Your doing these videos without any safety in mind, no gloves, face masks or even an axle stand. That's someone's property, what if the jack fails? People will be putting themselves in danger copying you. Please use safety equipment if your going to show videos on youtube
That was almost two years ago, please watch our later videos 👍
Generation after generation of MX5s and Mazda still hasn't caught up with the rest in rust-protecting their cars. I will continue to stay away while contempt for their customer continues.
thank you for your comments