Questions tagged [corrosion]

Slow deterioration of metal parts where the metal is worn away by an electro-chemical reaction called oxidation that is formed when combining exposed metal, oxygen, and electrolyte (eg acids, salts, moisture).

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3answers
86 views

Car has failed MOT, is it worth it? [closed]

I have a Lexus RX 400h year 2005 which has just failed its MOT on the following: rear subframe is corroded and seriously weakened. rear wheel bearing is rough and has excessive play It also has a ...
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39 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
128 views

How can I prevent, slow or reduce white corrosion build-up on my battery?

I have an 02 Civic SiR (Canadian model) with a maintainable battery. I check and refill the electrolytes every few months with distilled water. The battery is about 4 years old. I use a Battery ...
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1answer
67 views

Can low battery cause car to cut out?

Honda Civic vti 1999. Car starts and cuts out immediately. On a few occadions it has started on stayed on for longer e.g 30 seconds to 1 minute but it still cuts out again. The battery is showing 12....
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183 views

Can finger prints on disc brake rotor cause problems

I was swapping my brakes today, and did not wear gloves. My fingers were blackened and probably had some grease/oil mixed in on them. At one point, I grabbed my disc brake's rotor accidentally. I ...
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74 views

Anti-static drag strips benefits of earthing?

I know this sounds like a stupid question but could an anti-static dragging strip have any benefits to a car attached to certain parts of a car in terms of galvanic corrosion or any other form of ...
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200 views

Battery Corrosion Buildup on Positive Terminal

Earlier today when I went to move my car, as I attempted to crank it over all the dash lights went out and didnt return. This has happened 3 times - this being the 3rd - since I've owned the car - I'...
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1answer
25 views

Battery terminal corrosion?

I was preparing my motorbike for storage. When I was pulling the battery I noticed the terminal covered with what looks like corrosion or grease. Can anyone chime in? This is brand new battery with ...
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1answer
6k views

Can corrosion on the subframe be addressed by cleaning and repainting or waxoyling?

My old but reliable 2003 Ford Focus has just passed its MOT with no work needing doing, but the chap who did the MOT said the sub-frame is showing signs of corrosion. This is currently just cosmetic. ...
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1answer
112 views

Weird Corrosion on Subaru intake manifold bolt

So I pulled the intake manifold off my 04 Forester xt and one of the bolts on the driver side had this whitish battery acid looking color. Does anybody know if this should tell me anything?
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Should I really keep my gas tank at least half full?

I've seen a number of sources that state you should keep your car's gas tank at least half full, some of which saying it's only important in winter. Some examples: http://www.osceolagarage.com/why-...
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1answer
397 views

Battery Corrosion

I just got my car serviced 2 1/2 months ago. Today my car wouldn't start and found out i have massive corrosion around the connectors and it looks like the connectors have been eaten thru so it doesn'...
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Corrosion risk? Steel head bolts and aluminum block

Looking for some chemistry expertise/experience here. I bought some ARP head studs, which didn't quite fit. I don't have a thread micrometer, so I can't say exactly how oversized they were, but I wasn'...
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118 views

Why do we continue to paint cars with plastics?

Why do we continue to paint cars with oil based compounds; plastics, solvents, resins, etc? It's surely the least (or at least, not the most) efficient method for preserving ferrous metals. Just +10....
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1answer
38 views

Aluminum parts on motorcycle oxidized after washing

I washed my used motorcycle the first time since I've bought it this summer, and soon after noticed that oxidation appeared on some aluminum parts. It's definitely wasn't there before and surely this ...
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1answer
6k views

Battery corrosion cleaned off with baking soda but car won't start now. Does the terminal need replacing?

I've got a 2014 Honda Accord V6. The positive batter terminal has been corroded for several months now. I first noticed it in January but never got around to removing the corrosion until today. I ...
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4answers
2k views

Does Electrical Corrosion Increase During Seasonal Change?

There seems to be an excessive number of Questions being posted where the issue seems to point to electrical issues due to corrosion. I am wondering if this is perhaps seasonally related? The influx ...
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120 views

Car inconsistently won't start

My 2013 Honda CR-V will occasionally not start. It cranks fine but will not actually start. If I turn the car on but don't try to start it, electronics and everything else seem to be fine. I noticed ...
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1answer
821 views

How to remove negative battery terminal

Just had the displeasure of figuring out the positive battery terminal has completely corroded away from the battery. When I opened the cover for the positive terminal, the entire piece fell off of ...
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2answers
224 views

MOT advisories: slight brake bind and surface corrosion outer sills?

I'm looking into buying a 2004 Daihatsu Sirion. It has low mileage (50,000) and from all accounts has been well looked after. On its most recent MOT it had two advisories: "Slight brake bind osf" and ...
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3answers
15k views

How serious if corrosion on the inner sill of a Ford Focus?

I realise that can't be answered without me saying how serious the corrosion is. The context is that I'm looking at a 2004 Ford Focus on eBay and the MOT history on the DVLA web site reports an ...
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0answers
523 views

protect gas lines from corrosion?

'07 Cobalt, electric power steering, 50K miles Snow/slush/salt area. The car (new to us) hasn't had a lot of winter miles, so it's in not-too-bad condition. However, underneath today, I saw that ...
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3answers
79 views

2007 Mustang, Bad battery?

Does the appearance of corrosion point to a larger problem with the battery? There's neverbeen a corrosion issue before this and now, it's ridiculous. Could this point to the necessity to replace the ...
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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 ...
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3answers
1k views

Corrosion on battery post

Would corrosion on battery post cause my car not to start? I can charge the car and it still will not start but if i clean the post it will start every time.
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1answer
24k views

Corrosion on positive terminal and cable

Can a cracked cable connector cause corrosion? or is all corrosion a result of battery leakage?
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1answer
870 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, ...
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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 ...
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2answers
43k views

Is white powder on the battery terminals harmful?

I have a four and half year old car. I have recently noticed that there is white powder forming to the battery terminals. The car still has the original battery and probably should be replaced ...
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1answer
147 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 ...
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1answer
3k views

Why the different the colors of terminal corrosion on the battery?

I have a 2001 Ford Windstar. When I went to clean the battery terminals: the one with the RED cover over it was a bright blue color; the other had normal white corrosion. I do not know why the this ...
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1answer
449 views

Repair broken light connector on Volvo 240

So I tried to replace the broken corner light assembly on my '92 Volvo 240 last night. On the old unit, the gray connector (pictured in link) was stuck, and eventually pulled free with part of the ...
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1answer
4k views

How to find and access the actual terminals of car battery

2013 Honda Civic here. I need to disconnect my car battery so that I can clean off some corrosion. Here are the pics: And: Obviously the positive terminal is under the big red cap with the plus sign ...
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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=...
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4answers
178k views

Cola vs Baking soda vs Water to clean battery, and what should be used afterwards?

This questions is to extent the following question Should I use coca cola or baking soda + water to clean my battery clamps?. I have heard of using both Coke and baking soda to clean battery clamps ...
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1answer
464 views

Dealing with deposits on salt flats/mines

I am planning to visit Bonneville Salt Flats in a few weeks, and wanted to take my bike out for a spin there. Not breaking any speed records, you see, just for fun, and the sense of history, so to ...
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5k views

Alloy wheel corrosion damage - do I need new wheels?

After the last couple of winters, my alloy wheels are getting quite corroded, and one of them has large flakes of the surface missing, and almost a bubbling effect in the metal. I have read on other ...