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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6
votes
5answers
32k 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 ...
10
votes
4answers
747 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?
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 ...
9
votes
5answers
577 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 ...
6
votes
3answers
241 views

How to know if I need new tires?

For the first time in my years of driving, I slid pretty badly the other day. I've slid before a little bit, but this is the first time I slid badly-- I nearly went off the road. Granted, it was ...
5
votes
1answer
39 views

what could cause a scraping noise after tire rotation

After having one tire replaced, and the tires rotated, drove out of the shop immediately to a grrr (rubbing/grinding) sound momentarily, once per tire rotation. I noticed the "back" tires have pretty ...
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 ...
5
votes
3answers
197 views

Putting tires on rims

How much pressure should I use for a tire to settle on a rim? Is there need to glue the tire on the rim? (Or to try make it more airtight by any means.)
3
votes
2answers
84 views

Can I put 225/75R16 on a vehicle meant for 245/75R16?

I have a retired 2000 GMC Savanna 250 with 225/75R16 tires that have plenty of tread, no signs of dry rot, and are only 3 years old. My newer vehicle is a 2009 Ford E350 extended, and it needs at ...
9
votes
1answer
56 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 ...
2
votes
1answer
110 views

Front tires hitting struts

2006 Mazda 5 Sedan front tires are hitting while traveling. There is lots of clearance when not moving. We just put 4 brand new tires on 4200 miles ago. Drivers side rubbed a little on the side but it ...
4
votes
3answers
91 views

MOT coverage for car issues

This is a very UK specific question. I was wondering what sort of tests and (if any) fixes are covered by MOT tests. I know that lots of auto shops do servicing that focus on the MOT aspects of things ...
8
votes
2answers
668 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 ...
5
votes
3answers
308 views

How To Pump Up Car Tires (finding the optimal PSI for your tires)

I have noticed that all the tires on my VW Passat B5 have "44 PSI" written on them except the spare that has "51 PSI". This seems incredibly high to me so when I filled them up recently at the petrol ...
5
votes
1answer
41 views

Does a screw in the tire mean sidewall damage and tire replacement?

I bought my 2015 Hyundai Sonata last March (2015) and it has about 17,000 miles on it. I just found a screw in the rear driver side tire. Shows a slow leak when I took to a tire shop and they applied ...
8
votes
2answers
122 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 ...
6
votes
1answer
62 views

What precautions should I take when using snow chains?

I have purchased some snow chains, but the manual provides fitting instructions, and it only says to remove them when the road is completely clear of snow, and never drive faster than 40mph (about ...
4
votes
1answer
41 views

Tires uneven measurements

So for winter tires, I have 16 inch in the front and 15inch in the back, both are winter tires, is this deadly? I know I should change this but the car I'm driving is gonna go after this winter, I'm ...
3
votes
1answer
33 views

Will factory 2016 Toyota Corolla “S” 17" wheels and tires fit a 2014 Scion Xd without rubbing?

Will factory 2016 Toyota Corolla "S" 17" wheels and tires fit a 2014 Scion Xd without rubbing? Both have the same 5x100 bolt pattern. Is one wider than the other? Will they rub? Speedometer will be ...
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 ...
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 ...
2
votes
1answer
177 views

Will using a higher speed rated tire do anything for the car?

I heard that going down on the manufacturer's tire speed rating will affect the handling but will going up from an H to a V do anything such as increasing tread life.
8
votes
2answers
630 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 ...
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 ...
7
votes
1answer
77 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. ...
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 ...
4
votes
2answers
157 views

What does the letter at the end of a tire code signify? [duplicate]

Take the following tire codes, for instance: 195/65R15 91 V 245/40R18 97 Y What does the "V" signify? What other letter codes are there?
17
votes
2answers
914 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? ...
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 ...
5
votes
3answers
2k views

Which tire pressure is right for my 2008 Toyota Yaris's front tires?

A few months ago, my tire pressure dashboard light came on after I bumped a curb a bit with my 2008 Toyota Yaris's rear right tire. I drove to a gas station and tried to pump up my tires, but the ...
4
votes
3answers
628 views

Where can a tire be leaking if no nail/screw?

One of my tires leaks from 32 psi to down below 25 psi in less than a day and it's not due to a drastic temperature change. I took the wheel off to inspect for nails/screws and couldn't find any. ...
11
votes
2answers
109 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 ...
1
vote
2answers
516 views

Filling nitrogen tires with normal air

I have 2014 sonata with nitrogen tires (the tires air port has a green cap on them). I think two tires need a little air. If I put regular air in these is the car gonna blow up? Or should I take the ...
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 ...
1
vote
3answers
2k views

Can I use a different size donut spare tire for my 97 Accord?

My 1997 Honda Accord came with a 115/70/14 donut spare tire. I had to use it for the first time recently, and it is now totally dead and needs to be replaced. I looked on Ebay and there are a few ...
3
votes
1answer
88 views

Transmission damage due to uneven tread wear on AWD vehicle

I have a 2013 Subaru Impreza with a continuously variable transmission with ~40k miles on it. About two months ago I blew out the front right tire and took it to a tire shop. The folks at the tire ...
-5
votes
1answer
72 views

How can I change the sound of my tires?

Earlier this evening, I locked up my car's brakes reacting to a wrong-way bicyclist. My tires generated a respectable cloud of smoke, but to my disappointment, the sound they produced was a dull ...
5
votes
1answer
105 views

Is there such a thing as a “drive tire”?

I once went to get my tires replaced on my '03 Honda Accord after not having rotated them in a while. One of the front tires seemed to be more worn than the other front tire. An employee at the tire ...
4
votes
1answer
35 views

Wheel Positioning - Camber and Toe

I have a baseline of information regarding camber and toe. Why would I add more or less camber to my wheel unless I'm a NASCAR drivier making only left hand turns and want better traction for that ...
6
votes
1answer
75 views

Motionless car with tire spinning on ice causes burning rubber smell?

I live in New England, where "Winter Wonderland" often involves large amounts of ice on the road. A number of times I've had to help someone get their car out of a parking spot where their drive ...
3
votes
1answer
26 views

One tire worn 1mm more, what are the chances of an alignment problem?

When recently changing my summer wheels to winter wheels on a front-wheel drive car, I noticed that the summer tire on the front right had only 4mm of tread left whereas all other tires had 5mm of ...
4
votes
6answers
26k views

Will different tread depths hurt my 4 wheel drive?

I have a Ford F150 4x4. The front 2 tires treads measure 12/32, one rear is 6/32 and the other is 10/32. The dealership told me I should replace the rear 2 tires because the big difference in tread ...
4
votes
2answers
60 views

Plugged tire, should I patch it if it holds air or I'm ok?

Found a small screw in my rear winter tire, like real small and thought it wouldn't leak, but it did, so I plugged it. It holds air correctly. Two questions: Some people freak about ...
4
votes
3answers
41 views

I just patch my tire what's next

I just took my car to the tire shop to patch a tire that kept deflating very slowly. Do I need to get and alignment and balance ?
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. ...
2
votes
1answer
64 views

Calculate tyre pressure of a car from OBD parameters

I want to calculate the tyre pressure of a car from OBD parameters. I don't want to take TPMS or any custom PID for this. One of the indirect method is the calculate: ((w_LF + w_RR) - (w_RF + w_LR)) ...
4
votes
1answer
251 views

Do I follow the same recommended tire pressure when I change to nitrogen filled tires?

I am aware of the recommended tire pressure indicated in the car's user manual and in the driver's door. I've been reading a lot about filling tires with nitrogen and a few of the advantages has ...
4
votes
2answers
43 views

Tire Pressure Adjustments When Needed

From my understanding there is the recommended tire pressures at the inner part of the drivers door, but I have this question in my head just in case this happens. Say my recommended tire pressure ...
3
votes
2answers
62 views

My brand new car is shaking while steering wheel is not

I have bought a brand new Dodge Ram 1500 2015 model. The car is shaking at low speed 80km/hr (50 mph) while the steering wheel is not shaking. I can feel the vibration in the seats, however the ...
3
votes
1answer
49 views

Dealer put on a different tire than the rest, is this bad?

I got a flat a few days ago and took it to the dealer to be fixed. He asked if I wanted the same tires and I said yes. I just got it back yesterday, and saw today that it is not the same tire. My ...