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Questions tagged [rust]

The byproduct of oxidation of a metallic material

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0 votes
1 answer
61 views

What is the right battery-powered pump to rinse salt off of a car before parking?

I am looking for the following pump to rinse salt off a car before parking. The effect of the pump would be no more than pouring water on the roof, except that it would spray it to cover a larger area ...
0 votes
0 answers
12 views

How do you properly care for your rocker panels if you're hand-washing your car using a shammy?

How do you properly care for your rocker panels if you're hand-washing your car using a shammy? To do this job and avoid premature rocker-panel rust an ordinary garden hose seems to be missing an ...
0 votes
0 answers
31 views

Insurance company asking me to pay more than car is worth for repairs

My car is in the garage after I smashed the valance. When they took the it off to replace it, they cannot now fix it back on because the area it was fixed to has rusted and there is nothing to fix it ...
0 votes
1 answer
1k 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 ...
4 votes
1 answer
482 views

Rust hole underneath door sill cover

Vehicle: VW sedan (unibody) I've noticed significant corrosion approx 2cm / an inch in diameter underneath the front passenger door sill plastic cover. Basically as soon as I pressed on the rust with ...
8 votes
7 answers
1k views

Wax Coating For Bolts To Prevent Rust

After having replaced components such as tie rod ends etc the bolts and nut areas already have signs of rust starting on them, rusting further down the line. At times when these need to be undone to ...
1 vote
1 answer
137 views

What preventative maintenance can i do to prevent rust on the axle nut

Hi everyone is there any specific grease or application I can use to help with preventing rust on the axle nut? I was worried due to a lot of salt being tossed on our roads in Ontario.
1 vote
1 answer
113 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 ...
0 votes
1 answer
175 views

Dacia sandero rust

Hi everyone who is reading this. I have a white Dacia Sandero 2015 with around 56k miles on the clock. I believe it needs a new clutch but after looking under the bonnet I am a bit concerned about the ...
2 votes
3 answers
4k 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 ...
3 votes
1 answer
324 views

Rust precautions when enlarging two holes

If you insist on a 2" class-3 hitch (to be able to carry four bicycles), then either the option is not provided by the car dealer, or the option that's provided is so lavishly priced that you ...
5 votes
4 answers
2k views

Do extremely rusty disc brake rotors/pads need to be replaced?

Toyota Prius that has been outdoors and not driven for 2 years has extremely rusty disc brake rotors. Sorry, I don't have any current photos or access to the vehicle. The rotors and pads were ...
2 votes
3 answers
106 views

Best Method / Products to Cheaply Slow Rusted Roof

I'm part of a college student engineering organization and we were just able to get a 2005 Ford Explorer for free. It's in good condition except for the roof which has rusted pretty badly due to years ...
3 votes
2 answers
582 views

Is It Bad for the Car to Park it Regularly on a Surface Covered with Wood Mulch

I have heard that it's bad for the car if one parks it on a grass surface regularly. It is said that the moisture released by the grass would eventually cause rusting in the undercarriage of the car. ...
0 votes
1 answer
242 views

How is rust prevention using oil or grease not a fire hazard?

I understand that in addition to coating the underside of a car with tar (?) to protect it from rust—or to delay rust rather, as it is unavoidable—it is also possible to spray some kind of oil or ...
0 votes
1 answer
69 views

Why is only fender with surface rust? What to do about it?

I have a 2015 Toyota Yaris. I've owned it since it was new. There is a small amount of surface rust on my left rear fender: The right side, on the other hand, is perfect: Why would there be surface ...
1 vote
1 answer
256 views

VW Eos - Is this normal kind of rust on the underside (control arm) of a 14 year old car?

My first post here. I'm looking to get a 14 year old VW Eos, but I noticed some rust going on in this underside bar shown in the picture. Everywhere else is fine. There are some circular holes in the ...
2 votes
2 answers
149 views

Is it normal for rust to appear on brake disks within a couple of days of buying a new car?

I bought a Mustang Mach-E two days ago. Been very happy with it, except it rained last night and today the brake disks are covered in rust on all four wheels. We do live near a salt water bay, but my ...
2 votes
1 answer
143 views

Evap code and the gas cap

I have a 2008 Jeep Liberty that has had the check engine light come on many times over the years for P0456 Evap leak. The problem seems to be rust forming where the gas cap gets placed. I remove the ...
0 votes
1 answer
2k views

What could be the cause of rust only on the inner side of the brake disc?

As you can see in the picture below, the disc is rusted only on the inside part and the outer edges dont have rust. I heard discs rust but after braking the rust surface goes away from friction and ...
3 votes
2 answers
188 views

Underbody surface rust removal on olde Toyota van

Comments and advice welcome.  A certain amount of rude responses are anticipated and will be tolerated if the accompanying advice is good :-) This is really a single question with a few subcomponents. ...
1 vote
2 answers
183 views

Exhaust rusting

I just purchased a 2023 nissan frontier pro 4x new back in the end of December. I live in the northeast, so I know rust will happen on the exhaust and muffler quickly. This just seems a bit excessive ...
3 votes
4 answers
1k views

Is this rust around lug nut holes unsafe?

Stock steel rims on a 2014 Ford, bad looking (to me) rust around lug nut holes: What worries me is the flaking & raw rust right around the lug nut holes. I think some of it is from when I ...
3 votes
1 answer
570 views

Replace radiator hoses with radiator when rust is present in coolant?

The radiator on a 20+ year old Jeep XJ recently bust. The fluid that came out was a rust colour, likely indicating that the radiator was at least partially filled with water instead of coolant (...
0 votes
1 answer
2k views

The center of my rotor get rusted fast. Do I miss any maintenance step?

The center of my rotors gets rusted very fast, probably after several weeks after I replace them (See the picture). I read that it’s normal because the rotor is made of cast iron. However, I also ...
0 votes
2 answers
68 views

Brakes very rusty after recent replacement

Holden Cruze 2002 front tyre All drive or rotors are rusty now why only had them replaced spent 800. Plus other things all up spent 1580 there also abs light keep coming on EDIT: Does this picture ...
11 votes
5 answers
48k 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 ...
2 votes
0 answers
337 views

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 ...
0 votes
1 answer
94 views

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.
2 votes
0 answers
160 views

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 ...
2 votes
1 answer
1k views

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 ...
5 votes
4 answers
937 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 ...
1 vote
1 answer
1k views

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). ...
0 votes
1 answer
427 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 ...
2 votes
2 answers
12k 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
1 vote
1 answer
172 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 ...
1 vote
2 answers
3k 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 ...
11 votes
4 answers
12k 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 ...
1 vote
2 answers
8k 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 ...
8 votes
1 answer
5k 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 ...
1 vote
1 answer
536 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, ...
0 votes
1 answer
127 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 ...
2 votes
1 answer
198 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 ...
0 votes
1 answer
217 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 ...
1 vote
1 answer
4k 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 ...
0 votes
0 answers
42 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 ...
2 votes
3 answers
96 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 ...
2 votes
7 answers
51k 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 ...
4 votes
2 answers
33k 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 ...
0 votes
1 answer
562 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 ...