Car repairs

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His Divine Shadow
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Car repairs

Post by His Divine Shadow »

Since I only buy 2nd hand cars and cheap ones at that, dealing with car issues is something one has to learn, or you will become poor fast. A new car might seem attractive but then you're locked into a specific dealer and expensive routine maintenance to keep the warranty, and never mind too modern a car and there's just less and less you can do on them yourself. The car industry is definitely hostile towards right to repair. Get a much more modern car than mine and you can't even weld them anymore since the car skin has become structural and is made from alloyed metals.

Our Mazda is thus from 2005 and has rust issues, Mazdas of this era sadly do. It was worse than I thought, at first I only meant to remove the last portion near the wheel arch:
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Replaced it with new metal
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Please note the car rests on a log, not the jack. My SO left with my good floor jack so I had to use that one.

I found this was not enough, the whole bottom sill plate was rotten. I cut everything away and spend several days removing rust, using acid and angle grinders and sandblasting. then I fabbed new metal parts, I used a lot thicker metal too, so this won't rust through again for the cars lifetime.
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Weld thru primer on the inside, then epoxy primer on the bottom after welding. Then epoxy filler, then regular polyester filler. Lots of sanding and sanding, then high build primer, then basecoat and clear coat. I've replaced the entire length of the car between the front and rear wheels on the bottom, I also had to rebuild the bottom of the front arch with new sheet metal and weld that in too.
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Then I sprayed penetrating rust proofer on the inside and underside and after that dried I covered the underside in sticky mass that protects the undercarriage. Now it needs a good wash and probabl some color sanding to freshen it up.

However the other side of the car is in as bad a shape and I don't have the time to fix that anymore.
Those who beat their swords into plowshares will plow for those who did not.
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LadyTevar
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Re: Car repairs

Post by LadyTevar »

I really wish I could do that with the Prius.

Maybe I'll get lucky and just need a new muffler... I don't think it's ever been replaced since I bought her.
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Broomstick
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Re: Car repairs

Post by Broomstick »

Man, it would be nice if I could do that, but aside from a lack of certain skills (which could be acquired) I don't have the tools and more importantly a place to work. There is no way I could do that on the parking lot of the building where I live.

Both my car and my truck are starting to rust out (car is 20, truck is 23) and there's not a damn thing I can do about it, unfortunately. It's quite frustrating as I like to take care of my things.
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His Divine Shadow
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Re: Car repairs

Post by His Divine Shadow »

This car wouldn't have had any major rust issues if the first owners had treated the undercarriage and insides when it was new, then every other or even every 5th year. I dunno how common that is in the US, but preventative undercarriage treatments like that really goes a long way. In the past they sprayed the underside of the car with old oil, nowadays they have stuff like Tectyl.

And in Finland with the long winters and salted roads it's more a requirement than an option.

I've spent many years bootstrapping myself equipment wise, most equipment is 2nd hand stuff, but industrial quality, such as my welders. Some I made myself like a sheet metal brake several years ago, it's been handy.
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LadyTevar
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Re: Car repairs

Post by LadyTevar »

The most that gets done in most parts of the US is rinsing the salt off with water.
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InsaneTD
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Re: Car repairs

Post by InsaneTD »

Looks like you did a good job with that repair. And rust issues make me glad I live in Australia where it almost never snows and even when it does in my state, we still don't salt the roads (Happens once a year and from my understanding is more like sleet then snow, and is normally gone by midday). Only cars that really see a lot of rust are cars from the coast and most coastal homes are owned by people who drive high end "luxury" cars. Not something I"ll choose to own anytime soon. :lol:
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His Divine Shadow
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Re: Car repairs

Post by His Divine Shadow »

In the past they used more fine gravel and sand instead of salt. They seem to prefer salt nowadays, I don't really like salt, it turns the road into slush and flings shit from the road at you if you're behind someone. A nice frozen road with some gravel on it is better than slush.

Another thing you don't have to bother with in a hot climate is having two sets of tires for your cars. It's even mandatory to put in winter tires between december and march. You could get away with all-year tires but when driving here in winter I wouldn't really want to do it without proper studded winter tires.
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LadyTevar
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Re: Car repairs

Post by LadyTevar »

FML.

The Check Engine light is back. Time to see if it's the muffler.
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Nitram, slightly high on cough syrup: Do you know you're beautiful?
Me: Nope, that's why I have you around to tell me.
Nitram: You -are- beautiful. Anyone tries to tell you otherwise kill them.
"A life is like a garden. Perfect moments can be had, but not preserved, except in memory. LLAP" -- Leonard Nimoy, last Tweet
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His Divine Shadow
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Re: Car repairs

Post by His Divine Shadow »

Like I said elsewhere you can try and disconnect your car battery temporarily, and also you could get your own OBDII reader and check the codes with your phone. I checked and the one I bought is less than 10 euros. With a free app you can read the codes and reset them too.
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LadyTevar
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Re: Car repairs

Post by LadyTevar »

His Divine Shadow wrote: 2022-08-08 05:23am Like I said elsewhere you can try and disconnect your car battery temporarily, and also you could get your own OBDII reader and check the codes with your phone. I checked and the one I bought is less than 10 euros. With a free app you can read the codes and reset them too.
1. Wouldn't know how, it's in a 'safebox' that needs a dealership to crack open.
2. It's ten Euro there. Wanna bet it's $25-50 here, depending on the make and model.
3. This seems to be something wrong with my EXHAUST SYSTEM. Something I have no idea how to fix on my own. PLUS, there's a Class Action Suit that recently was settled: Toyota Prius Defective Inverter Suit
I need to find out if that's the reason.
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Librium Arcana, Where Gamers Play!
Nitram, slightly high on cough syrup: Do you know you're beautiful?
Me: Nope, that's why I have you around to tell me.
Nitram: You -are- beautiful. Anyone tries to tell you otherwise kill them.
"A life is like a garden. Perfect moments can be had, but not preserved, except in memory. LLAP" -- Leonard Nimoy, last Tweet
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