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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9
votes
5answers
835 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 ...
17
votes
2answers
910 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? ...
6
votes
4answers
90k 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 ...
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 ...
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 ...
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 ...
5
votes
3answers
779 views

Should one fit the least-worn tires to the rear wheels?

According to the Owner’s Manual Saab 9-3 M2001 (front-wheel driven cars): WARNING When fitting just one new pair of tires, these should be fitted to the rear wheels, as these are more ...
15
votes
10answers
155k 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 ...
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 ...
8
votes
2answers
455 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 ...
4
votes
1answer
44 views

How can I tell when a tire was manufactured?

Unused tires harden and deteriorate quickly in harsh desert climates. When I shop for tires I want to make sure I get ones that are as fresh as possible from the factory without trusting the sales ...
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 ...
3
votes
2answers
141 views

Does more frequent tyre rotation make tyres last any longer?

Say, one gets new directional tyres that are warranted to 60k miles and have 11/32" of tread when new. If one rotates them at 20k miles (if directional; otherwise, at 10k, 20k and 30k, if ...
3
votes
2answers
23k views

Is it OK to replace only 2 tires on an AWD car?

On a 2004 VW R32 (which uses a Haldex AWD system), I have one damaged summer tire. All the tires have at least half of their usable tread depth left. At $200 ea, I'd like to replace only a pair of ...
1
vote
1answer
60 views

Tire Replacement

In October, I bought new tires for my 2012 Toyota All-Wheel Drive Highlander. I have only put 4000 miles on them as I have not been able to drive since March due to surgery. Tonight, a family member ...
13
votes
9answers
212k 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. ...
6
votes
1answer
2k views

What do the numbers in 195/60/R15 mean? [duplicate]

As far as I know, each type or size or whatever of tyres has its own set of numbers which presumably mean something. In the instance of my last car these numbers were 195/60/R15. What do each of ...
6
votes
3answers
240 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 ...
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 ...
8
votes
2answers
626 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 ...
7
votes
1answer
75 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. ...
5
votes
2answers
17k views

Best way to approach a tire with a bubble in the sidewall

I found a bubble in my front right tire's sidewall on my 2006 Mazda3 2.3L (FWD, open diff). So it needs to be replaced. The replacement tire will end up going on the rear as it's time to rotate them ...
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?
4
votes
4answers
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 ...
4
votes
1answer
523 views

Why should winter tires not be used at summer? [closed]

I heard a tire salesman say winter tires are dangerous in summer. What are the structural and material features that make winter tires not suitable for summer use?
4
votes
5answers
1k views

All weather tires vs winter tires

I have a Honda Civic 2005 Value Package. The tires are worn out. I have moved to a location where there is heavy snow in winter. Are All-Weather Tires helpful or should I buy winter tires in winter ...
3
votes
2answers
16k views

Clunking sound at back of car when applying brakes

Since having my tires changed, I've been hearing a clunking sound from waht sounds like the back driver side of my car when I apply the brakes if they're applied jsut enoug to start slowing down the ...
3
votes
1answer
1k views

How to mark tires so they can be identified after theft?

A real-life situation: a car owner leaves his car near a multistoried building in the evening and in the morning he sees the car is standing on bricks and wheels are gone. He addresses the police and ...
2
votes
1answer
63 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)) ...
2
votes
1answer
7k views

Driving on a tire with different aspect ratio number than recommended?

I have a 2012 VW Passat SEL. Corrently I have Han Hankook tires 215/55R17 on them. I am looking to get a full size spare tire and am looking on Craigslist for a cheap alternative. What will be the ...
2
votes
3answers
1k views

Front End Alignments

I recently had my vehicle in for a front end alignment. They told me all of my shocks were bad, causing all of the problems, and that they would not be able to align the front end with those bad ...
1
vote
1answer
186 views

Glass / Tire puncture

Are you more likely to cause a punctured tire if you drive over glass pieces on the road ahead in a regular car at a fast speed (30 mph+) or slow speed (5 mph). The former would cause quicker contact ...
1
vote
3answers
80 views

Replacing tires for 2001 Subaru Outback

What are my options for replacing tires for 2001 Subaru Outback? One tire is damaged and it seems I need 4 matching tires as it is AWD. 255,225,260,...etc. If they match, can I change size?
1
vote
2answers
7k views

New Toyota Camry tire pressure light came on and then off

My new Toyota Camry (LE 2014, just bought with no miles on it) all over the sudden had a "Tire pressure" warning light come on on the dashboard about 1 week after purchase. It stayed on consistently ...
1
vote
2answers
210 views

Should I replace the tires earlier?

I recently read from a reputable source that tyres should be replaced at 3.2mm of tread thickness, not 1.6mm as the previous dogma suggested. My tyres are all in the 2.0mm - 2.5mm range. I understand ...