The byproduct of oxidation of a metallic material

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24
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2answers
3k views

How to deal with rust

I accidentally drove my car over a curb a while back. As you probably already know, the car suffered from minor scratches and dents on the bottom side, near the rear tyre. Now, I've noticed that it's ...
20
votes
9answers
208k views

When do brake rotors really need to be replaced?

I need to replace my rear brake pads. A mechanic suggested I also replace my rotors because they are rusted around the edges. The rotors are in fact quite rusted, however, there is no rust on the ...
10
votes
2answers
4k views

What are the benefits to waxing a modern car?

I was taught that waxing a car helped protect the finish by preventing damage from the elements - water, salt, etc.. The first vehicles I owned (a 1981 Impala and a 1978 Thunderbird) developed larges ...
9
votes
2answers
4k 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. ...
9
votes
4answers
94 views

Rusted gas tanks, how do you repair them?

If I have an extremely old vehicle that has limited parts availability for replacement, how would I fix a rusted gas tank in order to put it back in service in a vehicle? I've run into this issue a ...
9
votes
5answers
4k views

Should rotors with rust on the rims but not the faces be replaced along with the pads?

I have an Audi A4 with approximately 35k miles. My dealership has recommended that I replace both the brake pads and the rotors and helpfully forwarded a picture to me of the rotors indicating the ...
8
votes
2answers
124 views

Is there a way to check for rust on a classic car before purchase?

When someone looks at a classic car for a project how can you check for rust during the purchase process? I've heard of horror stories when someone sends a vehicle off to be sand blasted to only find ...
8
votes
2answers
1k views

Winter rims have rust patches. Should I leave them or remove rust and repaint? Any recommendations for rust remover and paint?

There are a set of winter tires on there already, but I'm not worried about getting paint or rust remover on the tires -- I've ordered some new tires already (going studded this year) and will be ...
7
votes
3answers
394 views

how to clean rust on chain (motorbike)?

slight rust on the side of the links of my bike chain. I'm runing with dry lube which is teflon based I think. The rust isn't deep. Can I go at it with a brass bristle brush, or will that damage it ...
7
votes
3answers
7k views

Best way to store a car off pavement

I have a parking spot for my car, but it is weedy gravel. I've been warned that storing a car on grass is very bad because transpiration from the grass will rust out the car's underbody. Presumably ...
6
votes
2answers
1k views

Roof paint peeling badly, with rust — what to do?

I've got a 97 Dodge Grand Caravan that's generally in pretty good shape, but the roof has started peeling badly, and a few spots have accumulated some rust. This is an old car with limited value, so ...
6
votes
2answers
93 views

Is there something that can be applied to electrical connections to prevent rust and corrosion?

Another recent question got me thinking about this. Will a ground to the frame work properly if the bolt is powder-coated? Since I don't have any skill, tools, or ability to powder coat, whats the ...
6
votes
2answers
1k views

Turning back rust on frame welds on a FJ Cruiser

I recently purchased a 2007 FJ cruiser up here in the north where we use lots of salt. The only issue I noticed with this vehicle (and about half of the FJs I looked at) was rust developing along the ...
5
votes
5answers
4k views

Improving ugly rims

The rims on my 92 Civic are really ugly (discolored/rusted) and I'm wondering how to best make them look nicer without a lot of work or replacing them, especially since I'm about to get the tires ...
5
votes
2answers
162 views

Do I need to replace just my one rusted rear rotor, or do I need to replace both rear rotors?

I have one rear rotor that is partially rusted on the braking surface and the rust won't go away. I tried scraping down the surface to even it out, and then the entire surface looked rusted. I had ...
5
votes
2answers
220 views

Painting Racing Stripes

I have a couple of small (1-2mm in diameter) rust spots on the roof of my truck. I'm thinking of painting flat black racing stripes over the hood (bonnet to you Brits!) and roof of the truck to cover ...
5
votes
1answer
43 views

What options are there to minimize thread corrosion in rust-prone applications?

Any carbon steel thread that suffers from prolonged exposure to air, moisture and (sometimes) salt will suffer from rust, sometimes to the point where it creates problems. While many fixes exist to ...
5
votes
1answer
243 views

Rust underneath rear of car (Toyota Mk1 MR2)

I have recently acquired an old (1989) Mk1 Toyota MR2 and took a few photos of the underside rear of the vehicle. There seems to be a fair amount of rusting on the rear axle and gear box: gear box/...
5
votes
1answer
693 views

Options for replacing rusted exhaust mounting bolts

The car is a 2005 Mini Cooper. The bolts that hold the exhaust mounts in place have rusted and snapped on both sides: I've taken up the floor of the boot and have located their heads on either ...
5
votes
1answer
503 views

Oil spray against rust

How can I prepare car for winter in terms of anti-rust protection? Someone told me that I can spray car with mix of ATF and WD-40. This way oil can creep into all the small places in car's body and ...
5
votes
0answers
53 views

The stone chip rust doesn't go away

Last year, I had a big stone chip with growing rust. I did thoroughly sand it, applied primer and painted it. It was not supposed to look good, I just wanted to prevent the rust expansion. After a ...
4
votes
3answers
2k views

How to remove rust from gas tank?

I have heard of a couple methods for removing rust from rattling a chain/sand/rocks with diesel fuel in the tank to doing an acid treatment. Is this something I should attempt to do, pay for a ...
4
votes
2answers
4k views

How to remove rust from chromed parts?

My motorcycle (Suzuki GN250) has many chromed parts, some of which are spotted with rust. I've seen several videos on youtube about ways of removing rust (e.g. https://www.youtube.com/watchv=...
4
votes
1answer
57 views

Water leaking through visor area into interior

My car leaks when it rains. Rain drips from the visor area. I suspect an area outside and above the windshield that is showing some rust. I also suspect that my windshield was not replaced (long ago)...
4
votes
3answers
113 views

Would Pulling the Handbrake Help Remove Brake Rotor Rust?

The car is a Nissan Almera (N15) -99 with a 1.6 L gasoline engine. It has been standing still for over a year and some rust has developed on the brake rotors. The car has been standing under a roof ...
4
votes
2answers
429 views

Minor body rust sanding and repair

I had a minor accident a little over a year ago, the damage from which I did not immediately repair so a paint scratch has corroded over time. Finally, I'm getting the time to fix it. My questions ...
4
votes
3answers
7k views

Repair or replace rusted rear wheel arches on 92 Civic?

The wheel arches on the rear fenders on my 92 Civic are badly rusted out, which seems to be a common problem. I've seen replacements you can weld in at very reasonable prices, but I have no welding ...
4
votes
3answers
2k views

Removing badly rusted and broken bolt from suspension

I'm stuck trying to replace the rear lower control arms on my 92 Civic. One of the bolts was broken, and while I've now gotten the old arm off by taking a Dremel to the bushing and bolt, part of the ...
4
votes
1answer
71 views

New Case - Watered the battery and got rust on one of the engine pipe

I bought new car and I added battery water to level. But some spilled on the engine and one of pipe got effected and it has rust on it. I went to mechanic, he told me to apply diesel on it. I did, ...
3
votes
6answers
6k views

How can I remove rust stains from chrome rims?

I've got horrible rust stains on my car's rims, and I'm at a loss as to how to get rid of them. A bit of googling suggests the use of steel wool, but I'm not sure how much I trust that. Any ...
3
votes
1answer
458 views

what type of mask should I use?

When sanding a panel down to bare metal getting ready to correct the damage before primer, paint and clear. What kind of mask should be warn to protect my lungs. I'm assuming one of those diy ...
3
votes
1answer
599 views

Stuck Lug Nuts on Trailer

I have a light-duty trailer that has sat in my driveway for too long. Both tires have rotted and I need to replace them. Unfortunately the lug nuts are rusted and don't want to come off for love or ...
3
votes
1answer
701 views

Why don't car manufacturers treat rust-prone parts of a car with rust converter?

I see a lot of trucks with body rust around the rear wheels, and a lot of cars with body rust behind the front wheels and below the doors. I've been looking into trying to repair some rust on my car ...
3
votes
2answers
7k 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 ...
3
votes
1answer
577 views

What is the best way to prevent rust when cutting in your car's body?

For example, I want to cut a hole in the car's front left fender, to fit a snorkel. What is the best way to prevent rusting on the exposed metal on the edge of the cut?
3
votes
2answers
81 views

New Car - Tips for living on a muddy/bumpy road

I just got a used 2007 Infititi G35 with 87K miles on it. I'm determined to take great care of it. I live on a muddy, bumppy road that leads to my house major pot holes. I rent the home and I'm trying ...
3
votes
1answer
100 views

Which is least likely to cause twisting off of rusted bolts? Impact gun or breaker bar

I've been working on old cars for a while and have twisted off a few bolts in inconvenient places. Just wondering, all things being equal, which is more likely to result in twisting off a rusted bolt-...
3
votes
3answers
262 views

How best to repair numerous small chips and scratches that are starting to rust?

I've bought a 20yo car that is in generally good condition but for a few chips and scratches along the front (I'm guessing where rocks and gravel have been flicked up over the years). Most of them are ...
3
votes
1answer
73 views

Undercarriage corrosion when move away from states with snow

We bought a car in a state that has a lot of snow. We then moved to a state where it never snows. A letter from my car manufacturer says that we can get a free anti-corrosion material applied since ...
3
votes
2answers
246 views

How to cleanup disk brake rust rings

Some years ago I replaced the stock rotors for slotted and drilled on all four wheels of my 2003 Monte Carlo. At the time I needed to replace the rotors and they had a habit of warping. The new ...
3
votes
2answers
125 views

Consequences of not fixing rusted body parts

My mother-in-law has just retired and given us her old Pontiac Sunfire 1996. It's been little used and generally well maintained, except for the body. Both front fenders have a small patch of about ...
3
votes
1answer
180 views

How much do I need to sand before proceeding?

I noticed a few days back that the upper portion of my driver side back wheel has got rust. I took a sand paper and started cleaning it hoping to remove the rust and apply primer-paint on it but as I ...
3
votes
2answers
51 views

How can you tell when rusted metal brake lines should be changed?

My 2000 Nissan Altima has some rust on the metal brake lines. Is there a way to tell when they should be replaced?
3
votes
0answers
26 views

How to seal / repair large crack in bumper

A car was in a collision and the front bumper is dented inward and cracked, I'm guessing up to an inch wide. Is there a way to either fill the crack with some type of foam? (Sophisticated tools and ...
2
votes
3answers
8k 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 ...
2
votes
1answer
8k views

Best way to remove partially stripped and rusted fuel filter nut?

I missed the memo about replacing my fuel filter every 30k, so it's been more like 100k since it's been replaced. Anyway, the car is a 2001 Buick Regal, and the fuel filter nut (not the quick connect, ...
2
votes
2answers
729 views

What tools are needed for removing rusted bolts?

Will be removing at least some heat shielding if not also the headers from a Subaru Outback. The car spent the first 6 years of its life in PA and has an excessive amount of rust on the bolts that ...
2
votes
1answer
192 views

Removing Rust from 2010 Civic Doors

I have some scratches on my doors. After some reading, it seems like my best option is to paint over it, and optionally scour the rust. I don't have access to fancy tools, and I believe that ...
2
votes
1answer
64 views

Found this in my wheel

Hi there I was driving along when I noticed a sound in my rear wheel. I stopped and found this inside. I'm unsure if I've went over it or it's fell off my car. Can anyone identify it please? I have ...
2
votes
1answer
120 views

Evidence of rustproofing

How to do find evidence of rustproofing done on the bottom of a car? We are talking rustproofing done with "grease" / "oil" techniques at regular garages. What should I expect to see after ...