Questions tagged [rust]

The byproduct of oxidation of a metallic material

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1answer
41 views

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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3answers
1k 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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2answers
9k views

Roof is rusted and pitted - Use Flex Seal?

Will Flex Seal spray work to "fix" a vehicle with a rusty and pitted roof? By "fix", I mean: Keep all water out Keep the rust from spreading
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1answer
59 views

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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2answers
66 views

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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1answer
241 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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4answers
9k views

Large rust hole in spare tire area. (Completely rusted through) How to fix?

This is a beater car and I'm not worried about fixing it "properly" really. Trying to spend minimal dollars on this. My main concern is keeping rats or bugs out of the car. Basically the car ...
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2answers
7k views

How can I remove rust from a screw thread without harming paint?

The screw sockets for the license plates on my car have some rust in them due to a rusty screw. If possible I'd like to clean out the rust from the screw sockets when I replace the screws, but I'm not ...
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1answer
2k views

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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1answer
52 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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1answer
48 views

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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1answer
33 views

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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1answer
57 views

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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1answer
55 views

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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1answer
127 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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0answers
37 views

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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3answers
88 views

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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7answers
43k views

How do I protect chrome before there is any rust, and right after I have removed rust off of it?

I have an old motorcycle with chromed parts. Some of them look brand new, but others have rust on them. Is WD-40 good for preventing corrosion on chrome parts? Can it also be applied after removing ...
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2answers
29k views

Failed emissions - high lambda, low HC and CO

My 2007 Daihatsu has failed the national car test on emissions. The readings at 3500rpm are: Lambda: 1.10 (normal range 0.97 - 1.03) CO: 0.02% volume (normal range below 0.20%) HC: 11ppm (normal ...
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1answer
52 views

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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1answer
969 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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1answer
127 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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2answers
125 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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1answer
414 views

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 ...
4
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1answer
197 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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1answer
38 views

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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1answer
64 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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1answer
76 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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4answers
219 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 ...
2
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1answer
906 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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2answers
216 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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3answers
170 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 ...
2
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1answer
79 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 ...
4
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2answers
207 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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0answers
175 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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1answer
75 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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1answer
110 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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2answers
72 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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1answer
268 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: ...
9
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3answers
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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5answers
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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1answer
68k views

Best way to remove rust from brake calipers without removing wheel

I have rang a few garages but none offer to remove rust from brake calipers, a lot of people say it is going to rust around there a bit anyway but I wanted to make them look shiny new for when I give ...
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3answers
30k views

Rust Underneath Car: How Much is Too Much?

I'm thinking of buying a honda 2008. I've been looking around and found one that fits the bill. I spotted some rust on the underside of the car between the back wheels. I'm not sure if its ok for the ...
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3answers
6k views

Do I need to replace my rotors?

I just bought my used 2015 nissan altima 3 months ago with 33k miles. My lack of knowledge with cars may be catching up to me as I'm now realizing just exactly how rusted my rotors are, basically ...
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2answers
11k views

How to patch holes in the van floor?

While replacing the van's carpet I noticed there're a few holes in the floor that started to rust around edges. There's no isolation or any protection between the floor and the ground, you can see ...
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3answers
5k views

How to prevent body damage and rust from salted roadways?

I bought a used 2001 Toyota Camry this past summer. Overall it's in great shape, and I presently see no rust. Living in Wisconsin, we use salt pretty liberally to deal with snowy and icy roadways. ...
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1answer
713 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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2answers
33 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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2answers
150 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 ...
2
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1answer
5k views

Rust Repair Advice

I have acquired a 2005 Mazda 3 sedan.Its a nice little car, aside from the atrocious amount of rust on it. The rust originated in the wheel wells, and that's where most of the rust actually is. ...