A petroleum based rubber mounted on the wheels of vehicles to provide a higher friction coefficient between a vehicle and a road surface.

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29
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5answers
6k views

Is tire rotation important?

I just bought new tires for my car and included was free tire rotation every 7,500 miles for the life of the tires. I have heard many things about tire rotation, including: it's a worthless ...
18
votes
6answers
16k views

How old is too old for a new tire?

When shopping for new tires from tirerack.com, the production date of the tires is listed. I'm considering tires from a 2007 production run, which would make them around 5 years old today (after ...
17
votes
2answers
915 views

How To Read Car Tires

On my VW Passat B5 tires, there is a marking that reads "195/65R15 91 V". What does this mean? Do I have to get replacement tires with this exact marking on the side of the tire in the future or not? ...
16
votes
4answers
18k views

What are the benefits of low profile tires?

I have yet to find anyone that knows of any benefits of low-profile tires. All of the pros that I've asked have said there is no benefit. Naturally, the number of pros that I have available to ask is ...
15
votes
10answers
156k views

How do I loosen stuck lug nuts in order to change a tire?

How do I loosen car tire lug nuts (so that I can change a tire) when they are really really stuck? I have tried turning the provided wrench, even standing and jumping on it. This worked for 4 of the ...
14
votes
3answers
43k views

Must I Replace All 4 Tires on an All Wheel Drive (AWD) Subarau, when only 1 is damaged?

I have a 2005 Subaru Legacy 2.5i Wagon. I just destroyed the passenger-side rear tire. The tires have approx. 6/32" tread remaining, per an informal measurement with a coin (I used this guideline ...
13
votes
9answers
213k views

Steering wheel shakes at high speeds

the steering wheel sometimes shakes at high speeds around 70 miles per hour. It does not always happen. Some day when I am driving at 70, I feel no shakes. some day it shakes badly at the same speed. ...
12
votes
4answers
1k views

Should I fill my tire?

I measured the PSI on my rear driver tire (using a gauge pin - push it into the needle and a stick pops out with a reading), and I got a reading of 22 PSI. My tires are supposed to be anywhere from ...
12
votes
6answers
11k views

How to fix leaky tires after 2 shops couldn't

I have an SUV with factory 16" steel wheels and P235/70R16 tires. The tires have just under 30,000 miles of gentle driving on them. Two of the tires have been leaking quite a bit (about 10 psi per ...
12
votes
4answers
774 views

Tire SideWall Damage. Replace?

Yesterday I bumped into a curb and my tire has sidewall damage. Is this tire safe to drive on? or do I need to replace this tire?
12
votes
2answers
294 views

What factors affect the maximum air pressure that should be put in a vehicle's tires?

For just about every car, there's at least two different "maximum tire pressure" ratings. The vehicle manufacturer's rating. This is usually found on a sticker attached to the driver's door. The ...
11
votes
3answers
68k views

Just HOW urgently should I replace this tire? Is it safe to drive on at all?

It's my rear right tire. It has a significant bulge in the sidewall. Here are two pictures of the bulge (original URL): Do I need to replace it before I ever drive on it again? Should I put on ...
11
votes
4answers
3k views

Is a tire with exposed wire safe to drive on?

This is my front passenger tire. As you can see, there is a large crack where you can see wire underneath. I ordered new tires that are supposed to arrive on Friday, however, I still need to get to ...
11
votes
2answers
110 views

Cold temperatures and tire pressure light

I have 2013 Nissan Rogue. I live in Toronto, Canada, so it is very cold here right now. I understand that cold temperatures can cause the tire pressure light to come on, but will it actually affect ...
11
votes
3answers
4k views

How much air should a tire lose each month?

How much air does a tire typically lose each month? Do nitrogen-filled tires actually lose less air (well, nitrogen) each month? If so, what's normal for them? According to a tire store manager I ...
11
votes
3answers
620 views

Should I change my tires so they all match?

Here is my situation: 2012 Honda Civic EX, 1.8L with P205/55R16 tires recommended Three (both front, and left passenger) tires are OEM Continental ContiProContact P205/55R16 89H with about 20,000 ...
11
votes
1answer
422 views

Will snow tire studs get rusty if a tire is washed before putting to storage?

Once snow tires are changed to warm-weather tires in spring it's tempting to wash them before putting to storage so that they don't stain stuff they come into contact with. One concern is that studs ...
11
votes
3answers
4k views

What is a hot patch, and how is it done?

I recently picked up a piece of metal in my tire, leading to a flat. The mechanic said he could not plug the tire, and that a "hot patch" was required. What is a hot patch, how is it applied, and ...
10
votes
4answers
1k views

Should a tire with cracks along the outer perimeter of the sidewall be replaced?

I have creases or small tears running throughout the perimeter of my tires. Does this warrant replacing the tire completely?
10
votes
4answers
14k views

How to diagnose high speed vibration?

I get a vibration at high speeds (50+), can feel it particularly in the steering wheel, front seats, dashboard. I have been trying to figure out what's going on, keeping in mind that: All 4 shocks ...
9
votes
5answers
838 views

Second hand car - Engine/Tyres/Etc

I am looking into buying a second hand car from a reputable Mercedes-Benz dealer (not just some dodgy salesman by the side of a road lol....). Anyway, there are a few maintenance/mechanical things ...
9
votes
5answers
578 views

Cheap tyres on rear of car?

I've bought a car with two worn rear tyres (still legal, but between 3 - 4mm of tread left, so will need replacing soonish) and two brand new (but cheap off brand) tyres on the front. I'm wondering ...
9
votes
3answers
3k views

How to carry a full-sized spare?

I have a 2004 Subaru Impreza WRX, but I suspect my question can be generalized to apply to many smaller cars. Not being a fan of donut spare tires, when I replaced my tires about a year ago I kept ...
9
votes
1answer
140 views

How does tire pressure affect susceptility to hydroplane?

Is a tire's propensity to hydroplane proportional or inversely proportional to tire pressure? That is, if a tire is over inflated or under inflated, is it more or less likely to hydroplane?Edit: This ...
9
votes
1answer
57 views

What is cold tire shearing?

I have friends that go to Track Days frequently on their motorcycles. If the first session is very cold they use their old tires and don't ride real hard because they don't want to shear their good ...
9
votes
1answer
43 views

Radial tires: Do they bulge at too high pressure?

It's tire pressure time! At least when looking at the recent new questions. So here is another question about air pressure. At driving schools, shops and in the internet you often find this type of ...
8
votes
3answers
3k views

Can my tire blowout be attributed to a lower speed rating?

Yesterday I had a tire blowout. When I visited a tire shop (Costco Tire Center) afterward, the person there told me that my tires are under-rated for my vehicle. My vehicle is a Honda Accord 2002, ...
8
votes
3answers
45k views

How long can I drive on a donut spare?

This is a pretty common question and I get a lot of conflicting responses from "Extremely dangerous could blow out at any minute" to "I've driven on it for a month". A mechanic at midas told me I ...
8
votes
1answer
104 views

Tire Speed Rating Naming Convention

According to an answer on this page the speed ratings that can appear on the end of a tire specification (like "195/65R15 91 V") include almost all of the letters of the alphalphabet in almost the ...
8
votes
2answers
127 views

Is it normal both TPMS sensors fail just after changing tires?

I had the rear pair of tires of my 2006 Toyota Prius changed recently. Both were already bald and one was also leaky. The Tire Pressure Measure Sensors were pointing correctly that the leaky tire ...
8
votes
2answers
460 views

All weather tires vs winter tires on well-plowed roads

I live in Minnesota. I've seen lots of people recommend changing to winter tires in the winter. However, what doesn't make sense to me is that the roads are plowed very well here. 90% of my driving ...
8
votes
2answers
670 views

Motorcycle chewing through too many front tyres

I have a Y2K Triumph Speed Triple that has an excessive appetite for front tyres. It eats two front tyres for each rear tyre. This is reverse what it should be. I run the tyres at about 38 PSI and ...
8
votes
1answer
541 views

How to interpret tire condition

What information can be gleaned by visual inspection of a set of tires on a car? How would I interpret excessive wear on the outside edge of the tires vs. wear on the inside vs. wear in the center? ...
8
votes
2answers
632 views

What could be a likely cause of unusual “torque steer” after repairs?

I have a 2012 Dodge Avenger SXT. Recently, I had a collision with an inanimate object which damaged my front-right tire and rim and also caused some very minor body & paint damage. Immediately ...
8
votes
1answer
151 views

Tires stick when turning after a car wash

I have a 2010 F-150 that just went through a car wash. After the car wash, I immediately noticed that the turning feels reduced/impaired. Specifically, when I have the steering wheel turned more ...
7
votes
4answers
379 views

Assuming identical and sufficient ABS, and ignoring aerodynamics, are tires the only factor for braking distance?

I had my first accident two days ago (minimal injuries so don't worry about that), and it's got me thinking about a lot of different aspects to driving and cars, such as braking. Had my braking been ...
7
votes
4answers
1k views

I damaged 1 rim. Should I replace 2 rims?

I hit a rock and it destroyed my tire and damaged the (steel) rim. Should I replace 2 rims (matched pair), or is it ok to replace just the one damaged rim? Is the car going to be balanced? It is the ...
7
votes
1answer
79 views

Checking Tire Pressure when the tire is warm or cold

Witnessed a recent debate about what is the appropriate temperature to check tire pressure at. The debate centered around warm or cold, there wasn't an exact temperature given by any of the parties. ...
7
votes
2answers
4k views

Replacing four tires or two front tires on a front-wheel drive car

I have driven my car since ~84,000 miles. As stated below, I have replaced the front passenger tire for slow leaks twice. The other tires haven't been replaced since I started driving it. I am ...
7
votes
2answers
556 views

Is moving the rear tires to the front wheels a no-no?

After finding out that my front wheels were both aiming a little bit outward (together by half a degree), and apparently thus having caused the wear on the inside (inch or so) of the front tires, I ...
7
votes
3answers
312 views

Are used tires valuable?

I'm in the process of having my 1994 Corolla being picked up for recycling. Currently the car is equipped with relatively unused winter tires with excellent tread. Are used winter tires valuable? ...
7
votes
3answers
34k views

Differences and Recommendation between Steel and Alloy Wheels for Winter?

There are many discussions regarding steel vs. alloy wheels in Winter on multiple forums. It would be good if someone could lay out full facts and help scale these differences (questions below). For ...
7
votes
1answer
61 views

How to test gas station air compressors before use?

Yesterday I was with my wife and three children in the car, 300 KM from home just after sunset. I pulled into a gas station and as before all long trips, I dialed 31 PSI on the gas station's air ...
6
votes
5answers
53k views

Why do some tuned cars have very inclined tires?

I've seen photographs of cars with strange inclined tires like the one in the picture I pasted here. They seems to be Japanese cars. Is it for drifting? Maybe for appearance? Do the tires get ...
6
votes
4answers
91k views

Is it okay to replace one tire (of four matched tires) with a completely different model of tire?

I have a 2011 Ford Focus, and while the car itself is good quality, I have now ruined two tires in three months by merely driving over a screw. Ford offers no road hazard on their tires, so I am ...
6
votes
3answers
4k views

changing a tire on a slope

So one of the tires on my car had a blowout on a road with a slight slope. I tried lifting the car up with a hydraulic jack but after the car got to a certain height the jack fell forward and the car ...
6
votes
4answers
1k views

Are there any disadvantage to fuel efficient tires?

I'm in need of new tires and I saw some fuel efficient/low rolling resistance tires. Is there any disadvantage to this type of tire?
6
votes
5answers
33k views

Wobbly Steering-wheel after changing Rims/Tires?

I've just recently swapped Summer Tires/Rims for my Winter set on my own for the first time. As it should be an easy concept, I went to a "U-Wrench" type shop where you rent a stall with a lift/tools ...
6
votes
3answers
500 views

Trying to figure out the name of this car part!

I got new tires today and saw that the part that's circled is broken on my car. It looks like it just snapped at the top because part of the bolt appears to still be in whatever the tube is. Anyone ...
6
votes
3answers
548 views

Tire runs flat every 30 days [duplicate]

Possible Duplicate: How to fix leaky tires after 2 shops couldn't Ever since I bought my car new I have had one tire that goes to 20psi every 30 days. Discount tire said theres no ...