Questions tagged [rust]

The byproduct of oxidation of a metallic material

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What is the best way to go with quarter panel repair?

I’m working on my first DIY car restoration project. Of course the car had a lot of rust spots I needed to fix. After a lot of practice and learning, I started with floor panels and underbody repairs ...
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Is rust a deal breaker? Should I buy it? [closed]

It's a 2018 Honda civic si. It has rust in certain areas. I can still return the car. Need your opinions. Appreciate the help.
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2 votes
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Likelihood of every piston ring corroding the same rate

I performed a rebuild of my both cylinder heads on a V6 engine, in order to grind leaky valves. I performed a test of each valve pouring isopropyl alcohol in the intake/exhaust chamber and waiting ...
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2 votes
1 answer
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Can an insurance company deny repairs after an accident because of rust underneath?

My husbanded was rear ended on the express way. Went in for repairs..fixed the outer part of the car. Once I drove it off there lot it sounded like the wheel was coming off. I took it back, they ...
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5 votes
4 answers
838 views

Removing rusted partially broken engine fasteners

This is the flange plate on one of my catalytic converters AKA exhaust manifolds where it joins the exhaust pipe. Before they broke off, the studs looked something like this, the driver head was ...
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1 answer
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Cylinder sleeves mildly rusted after heads were off

I had my cylinder heads off for valve tuning for a prolonged time period so moisture got in and some very mild surface rust collected inside the cylinders whose pistons were not in TDC (4 out of 6). ...
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Is it worth undercoating an already rusted frame?

I live in a place where the roads are salted and it leads to a lot of undercarriage corrosion. I typically get my vehicle undercoated every year (which costs about $150 where I am). Even though I have ...
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1 answer
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How would you approach fixing this panel part?

This is a continuation of this saga. I just removed my rear window and grinded down the fix area, finally past the point of no return. Found out that I was scammed by the body worker worst than I ...
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2 answers
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Can spraying the car with a light layer of diesel help against corrosion?

I received an advice from a friend: put diesel in a bottle with a spray nozzle and spray the car with it. He said that this should form a layer on the car that helps against corrosion. When I asked ...
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8 votes
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Is it normal to see a bit of rust under the hood?

While inspecting under the hood of a 2008 Suzuki Swift, I saw a bit of rust in some areas: (The last image is below/behind the battery.) I have looked under the hoods of other cars from 2008 and even ...
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1 answer
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Can an unused rear disc brake rust so badly it becomes stuck?

Usually when I start driving with my hybrid car (2016 Toyota RAV4 hybrid), I release the parking mechanism, select reverse, and the car begins moving very gently. Sometimes I have had an issue, ...
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Advantages of clear (vs. black) rust prevention

If I am going to put Waxoyl or equivalent onto areas that don't need to have a pretty black sheen, does it make sense to use the "clear" version so that any new build up of rust can be seen ...
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2 votes
1 answer
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How to unscrew a stuck screw from a U-style spring nut?

I have a rusting screw secured with a U-style spring nut in a very tight and difficult place. The screw secures one of the fog light assemblies to the bottom of my Forester's bumper. Here's front and ...
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1 answer
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How to remove minor surface rust on frame?

I got a used car with very minor surface rust. It's so minor that I think just sanding it will do. However, I'm not sure what to do afterwards. Don't factory metals contain some finish? If so, sanding ...
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1 vote
1 answer
254 views

Rust on Vehicle Sitting for a couple of months

My vehicle is sitting outside for a couple of months, more precisely, since around April 4th 2021 when I drove back from a safety inspection. Back then, the shop that inspected it required me the ...
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Help! Should I be concerned about this rust on my wagon?

2005 Saab 9-5. Looking underneath the passenger side, is this the subframe I'm looking at? https://drive.google.com/drive/folders/1RpmbwwUWoQlVzvFV7pjfsTGADQ-kJKLq?usp=sharing New subframe doesn't ...
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1 answer
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How to avoid breaking rusty bolts?

Recently I've been dealing with some bolts that broke when I tried to disassemble part of the brakes on my car. Soon I'll also have to do the same service on the other side, and I also need to change ...
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1 vote
1 answer
2k views

How to remove broken bolt stubs from brake caliper bracket?

Here's the bracket from the passenger (right) side front brakes on my Subaru Impreza. Both (17mm) bolt heads snapped off when I tried to remove them using a socket using manual pressure only, no ...
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1 vote
1 answer
180 views

How to repair crack in a pillar exterior panel

I am considering purchasing a 1972 Monte Carlo with a crack in the metal of the a pillar panel. I was wondering if it is possible to repair such damage or if I should avoid this vehicle.
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1 answer
364 views

Will a door edge guard cause rust or other issues?

I would like to place a u-shaped rubber door guard provided with double sided tape along the edges of my car doors to avoid damage against other cars or against walls. I wonder whether this protection ...
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1 vote
2 answers
176 views

Is this too much rust to repair?

I (maybe foolishly), recently purchased this car privately. I failed to inspect the underbody of the vehicle accurately. It's a 2011 Mitsubishi Lancer. I was wondering is this rust too much to get ...
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1 answer
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How can I prevent hub and rotor rusting together?

I've got a 2013 BMW 335i with M-Sport options. It prompted this question but the issue (and probably the solutions) are not unique to it. Like many such vehicles, the rear brakes are part drum, part ...
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1 vote
1 answer
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Protecting the Mating Surface between the Catalytic Converter and Header

In the midst of replacing my Catalytic Converter on my 03 Nissan 350z, I have taken off the Catalytic Converter to reveal a pretty rusty mating surface between the two components. My question is what ...
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1 vote
1 answer
81 views

Rotor replacement/machining necessary after car has been sitting for a couple of months!

My 2013 Mazda CX-5 has been sitting out for a couple of months and we had a pretty wet spring here. When I took it in for service, the dealership told me that they want to replace the rear rotors and ...
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2 votes
3 answers
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What would the result be of re-painting a slightly rusting door?

Im going to be getting a Macao paint job inn the coming weeks. they're not doing any primer or anything, the car has its factory paint job, just getting something to match up door paint after ...
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1 vote
1 answer
141 views

Trunk Lid Rust Removal worth it?

My car's trunk lid has a nasty rust spot. My Dad recently asked me why I don't just sand it down, bondo and paint it and that probably isn't a bad idea. The thing is that from the outside it looks ...
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2 votes
4 answers
367 views

Rust band on brake rotor

Short question - would you replace this rotor? The 'rust band' on the outer edge of the rotor is part of the 'braking surface' - in other words, if I lay the pad on the rotor, part of the pad braking ...
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2 votes
1 answer
1k views

Can I use old engine oil to protect tools from rusting?

I'm not sure if the question is on-topic here, since it's about tools and not exactly mechanics, but if it's not I can move it to the appropriate SE! I have a power drill and used it once at work to ...
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0 votes
2 answers
268 views

UK specific - MOT failure due to rusted body sill (BMW E46) [closed]

My car just failed MOT due to rusted body sill around a jack point area. Click here to see the video of the problem uploaded on youtube. Questions What job does it need done? Is it necessary for ...
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4 votes
1 answer
263 views

Do electric cars corrode faster?

I am buying a new Peugeot e-208 (Full electric) and I noticed something strange in the contract: Peugeot warrants all its new cars for 12 years against corrosion, but for electric cars they reduce the ...
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2 votes
3 answers
2k views

What problems will I have if I use a rusted input shaft on a transmission?

I have an old (25 years) transmission from a BMW E36 which I want to use. The transmission must have sat outdoors for a while, because there was white scale on the outside and inside of the bell ...
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2 votes
3 answers
175 views

Car Wash in Winter - Good Idea? / Bad Idea?

I live in an area that gets a fair amount of snow and ice, and so the winter months usually have salt on the roads. Presumably, that salt stays around as a dry crust or in puddles until the next ...
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2 votes
1 answer
86 views

Does a cracked paint blister corrode faster than if grinded?

Recently a paint blister cracked open on the roof of my car. It has rust under it, so my guess is it was one of those lazy ass "repairs", where body filler was added over rust just so it could be ...
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4 votes
2 answers
297 views

Use a torque bar when removing rusted bolts, to prevent impact driver from breaking them?

Newbie, starting to work on my own cars, and I'd like to use air tools to save wear and tear on my wrists and arm muscles, and not aggravate back pain from a car accident years ago. There are many ...
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0 votes
0 answers
201 views

What’s the best way to remove rust from the engine block exterior?

Tomorrow I’m planning on finally changing some parts I’ve been postponing forever to do. To change them I’ll have to remove the timing belt cover, exposing the side of my engine block. It looks like ...
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0 votes
1 answer
81 views

2008 Chrysler Town & Country - Can rear bearings be cleaned up, or are they a sealed unit?

This weekend, I'm replacing my 2008 Chrysler Town & Country's rear brakes (rotor, calipers, and pads.) The mechanic that inspected the vehicle said the bearings were OK. But, since I am going to ...
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1 vote
1 answer
118 views

is a seriously corroded driveshaft and u joints on an F150 safe? dealer who sold me car says no

I think a corroded drive train this corroded is a safety issue, bought used f150 from dealer get out on highway and was scared to hell whole truck shook so bad -drove truck back later same day saying ...
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1 vote
2 answers
86 views

Rust bubbles on paint

On my 2011 Camry, the paint on my front left fender along the wheel well is bubbling up, with what I assume is rust underneath. This fender was replaced a number of years ago after a fender bender. ...
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3 votes
1 answer
317 views

2012 Ford F-150 Rust

I have a 2012 Ford F-150 that's starting to show a bit of rust, primarily on the front and rear bumpers and then on the undercarriage of the body below the doors. I have a few questions on this: ...
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10 votes
3 answers
2k views

How major are these paintwork & rust problems?

I have a 10 year old Honda Jazz (=Honda Fit in the US – I live in the UK). I'd like to keep the car going for as long as reasonably possible: hoping for another 5-10 years? It has a variety of ...
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1 vote
5 answers
2k views

Rusty oil pan, clean or replace

I have a 2011 Nissan X-trail, 2.0 Diesel. Bought it several months ago and noticed that the oil pan is really rusty. Here's how it looks: I am thinking of brushing the rust out and apply a coating ...
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1 vote
1 answer
69 views

Windshield frame rusting

Our car (Honda Accord) did not pass inspection due to a cracked windshield. we have full glass insurance, but when Safelight came to our home and inspected the car they informed us that the windshield ...
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0 votes
1 answer
886 views

Will a car rust from one winter

I want to buy a car two or three years old. If it has seen one winter will the car still rust throughout its lifetime? I was told it would
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1 vote
2 answers
61 views

Need help removing rust from hinge

I have a handicapped van with a side conversion ramp. The hinge attached to the floor of the van has considerable rust and since I live in Ohio we have harsh winters. So what would be the best way to ...
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1 vote
2 answers
165 views

Paint made on motor cover block of my motorbike is getting blistered

What I'm trying to explain is that the paint layer is getting in a form to be peeled off easily. As far as I guess I need the peel the current paint applied and repaint it. Is this something that an ...
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1 vote
3 answers
2k views

Can I bend an exhaust flex pipe?

My exhaust pipe in my 2007 maxima has a crack about an inch outside of a flex pipe, and the repair cost is more than the car is worth to me. The 2 pipes are totally separate, but right next to each ...
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  • 326
1 vote
2 answers
989 views

Rust UNDER windshield

I have some rust under my windshield at the top edge where the trim is usually black. The rust is showing through the windshield when looking from outside the vehicle. Should I be worried about this,...
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1 vote
1 answer
410 views

How much rust is okay on a used Nissan Rogue 2015? [closed]

How much rust is okay on a used Nissan Rogue 2015? Please see pics of undercarriage and brake rust on a car from NJ. Run 35000 miles. Is this a major issue/deal-breaker? There seems to be no rust ...
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2 votes
1 answer
6k views

Rusty wheel hubs

My 4 wheel hubs are rusty. Except for the fact that it doesn't look great, can this have any practical negative impact? Also, there's a particular speed (very slow, close to stop) where braking makes ...
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  • 239
2 votes
1 answer
181 views

Expedient way to stop rust on body panel

My 2007 Mazda 6 appears to be rusting at two points, one in each rear wheel well: (Rust in exactly these spots seems to be a common problem with this generation of Mazda, but dealers say it isn't ...
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