Questions tagged [rust]

The byproduct of oxidation of a metallic material

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33
votes
9answers
519k 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 ...
27
votes
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 ...
15
votes
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 ...
13
votes
4answers
4k views

Trouble installing new bolts into rusted welded nuts

I've got a 2007 Pontiac Torrent that I (mostly) installed a hitch on. The hitch mounts to 8 points. 6 points are existing welded in nuts. 4 of these welded nuts are causing me trouble. They've rusted ...
11
votes
4answers
7k 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 ...
11
votes
2answers
5k 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 ...
10
votes
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. ...
10
votes
5answers
23k 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 ...
9
votes
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 ...
9
votes
2answers
2k 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 ...
9
votes
4answers
4k 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
3answers
14k 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 ...
8
votes
2answers
7k views

What is the procedure to fix vehicle roof paint inexpensively?

On a flat-roofed vehicle, what is the least expensive way to fix the roof when the clear coat has largely peeled off and rust has formed? There are no places where the rust is so extreme that holes ...
8
votes
1answer
869 views

Rust From Repaired Chip in Paint Didn't Go Away

Last year, I had a big stone chip with growing rust. I thoroughly sanded it, applied primer, and painted it. It wasn't meant to look good as I just wanted to prevent the rust expansion. However, ...
8
votes
2answers
3k 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
37k 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 ...
7
votes
3answers
4k 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
1answer
3k views

Modern cars do not rust faster in coastal locations - Myth or truth?

Someone warned me to never buy a second hand car from the coast because cars rust faster and you cannot always see which hidden parts are rusted. The expectation is that cars from the coast has a ...
7
votes
4answers
9k views

Prevent (or significantly reduce) brake line rust

I few years back a large chunk of my brake lines were replaced due to a failure in my brake booster. Working on my vehicle now I can see the usual cost of driving on salty winter roads, the lines are ...
7
votes
3answers
9k views

How can you prevent the frame and undercarriage on your car from rusting?

I drove a '97 Subaru Legacy for many years and that thing got over 280,000 miles and was still running smooth before rust finally killed it. The frame started rusting away; there was a hole straight ...
7
votes
6answers
23k views

Do my brakes really need to be replaced due to rust?

It was suggested to replace my brakes as soon as possible due to them being honest heavily rusted. You can see a picture below. I'm not sure whether what I was told is right because, as I see, rust is ...
7
votes
2answers
3k 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 ...
7
votes
3answers
3k 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 side: ...
7
votes
2answers
696 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 ...
6
votes
2answers
3k 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
8answers
11k 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 ...
5
votes
5answers
8k 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
1answer
3k views

Stuck Lug Nuts on Trailer [duplicate]

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 ...
5
votes
3answers
4k 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 ...
5
votes
1answer
1k 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?
5
votes
3answers
5k 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
477 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
506 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
796 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/...
4
votes
3answers
7k 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
16k 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
3answers
159 views

100 Scratches, easy fix?

My girlfriend parked her car (metalic blue Golf V) and took a piece of the solid pillar. So we have a bunch scratches on the left rear. It's about 100 tiny scratches, some are big, others smaler. Some ...
4
votes
1answer
14k 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, ...
4
votes
2answers
117 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 ...
4
votes
1answer
2k 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
859 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
1k 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
2answers
26k 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 ...
4
votes
3answers
1k 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 ...
4
votes
3answers
11k 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
1answer
143 views

2007 Chevy Silverado How to remove interior rust

I have recently purchased (2 months ago) a 2007 Chevy Silverado LT, extended cab, with 150k miles on it. I love the truck and I'm trying to do whatever I can to make it last about 10 years. One of the ...
4
votes
1answer
81 views

Non-destructive cost-efficient method for measuring state of rustedness of a vehicle

Besides visual examination, is there some way to find out reliably how much a given car is affected by rust? I mean, which parts (possibly covered by paint) are rusting in the inside, and to what ...
4
votes
2answers
105 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?
4
votes
1answer
209 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 ...
4
votes
1answer
136 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 ...