请问下各位轮胎的问题
- 主题发起人 arthur000
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这不是征求大家的意见来了。。
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- 2003-04-13
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- 注册
- 2003-04-13
- 消息
- 238,573
- 荣誉分数
- 37,884
- 声望点数
- 1,393
- 注册
- 2003-04-13
- 消息
- 238,573
- 荣誉分数
- 37,884
- 声望点数
- 1,393
那不成。四个轮胎应该规格相同。
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- 2003-04-13
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- 238,573
- 荣誉分数
- 37,884
- 声望点数
- 1,393
如果是两套轮毂，冬季胎是可以调整的，不是非得与四季胎用同样规格的轮毂和轮胎，只要差别在一定范围内。冬季胎用窄一点的有其好处。
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- 2003-04-13
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- 荣誉分数
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- 声望点数
- 1,393
Car facts: Size, not price, matters when buying snow tires
Brian Turner, Ottawa Citizen 11.21.2013
If you haven’t yet started shopping for winter tires, you’ll now find yourself in the middle of the busiest season for tire retailers everywhere. But don’t be dismayed. The selections are still great and there are deals to be had.
steve mann / Steve Mann - Fotolia
OTTAWA — If you haven’t yet started shopping for winter tires, you’ll now find yourself in the middle of the busiest season for tire retailers everywhere. But don’t be dismayed. The selections are still great and there are deals to be had.
The first thing you’ll need before you start shopping is your vehicle’s tire size. It’s printed on the sidewall of the tire and on the automaker’s info label on the driver’s door edge or door frame. It will appear as a series of numbers and letters, such as P225/65R16 or LT255/70R17.
If your door-label size info doesn’t match your tire sidewall number, someone may have substituted a different size along the way. It’s always best to stick with the original size unless an optional size can be safely used (see item #3 below).
1. Shop for four not two. Installing just two snow tires on a front-wheel-drive, rear-wheel-drive or all-wheel-drive vehicle is extremely risky. With no snows on the rear, you’ll find unpredictable handling on slippery surfaces and an increase in the vehicle’s tendency to spin out of control. No snows on the front means reduced steering and braking effectiveness and mixing snows and summers on an all-wheel-drive can mean all of the above, plus the risk of damage to transfer cases and drive lines stemming from differences in outer tire circumferences between snows and summers (note all-season tires are summer tires).
2. The best tires are not always the highest priced. This year, Consumer Reports listed the following as the top winter tires, in descending order, Michelin X-Ice Xi3, Michelin X-Ice Xi2, Hankook Icept Evo, Pirelli Winter 210 Sottozero, Uniroyal Tiger Paw Ice & Snow, Bridgestone Blizzak WS70. Tire makers are very conscious of competitor pricing, so you won’t always pay top dollar for top rubber.
3. Look for optional sizes. The size printed on the sidewall indicates the tire tread width in millimetres in the first three numbers after the letter(s) ‘P’ or ‘LT’. The next two numbers indicate the sidewall’s height as a percentage of the tread width (e.g. the number 50 means the sidewall height is half the tread’s width). The last two numbers indicate the rim’s diameter in inches. If your vehicle’s rims are 18 inches or bigger or have a low profile (less than 65) as in P235/60 R18 or P245/50 R20, you may want to check out an alternative size as these tires can be considerably more expensive than average.
To make sure your vehicle will accommodate a smaller size, check with your dealership or tire retailer for advice.
Keep in mind if you select a smaller rim diameter, you will have to purchase the corresponding rims to match. But in many cases, this can be less expensive than buying a larger low-profile tire and it will keep your alloy rims from being exposed to Canadian salty and gritty winter roads.
When opting for winter rims, make sure they are a direct fit for your auto and not a “multi-fit” designed to be used on several types of cars. If they require special wheel nuts or spacer plates, stay away from them.
4. Let your mouse do the walking. Several major retailers, like Canadian Tire and Active Green and Ross, offer online pricing, and others will provide quotes by email. U.S. tire websites such as tirerack.com provide pricing in U.S. dollars and some have an easy-to-use system to add duty and shipping charges to give a complete quote.
Don’t forget your original equipment manufacturer dealership or independent service provider. Many shops are willing to take very low profit margins for tires, knowing their sales give them access to your vehicle and the ability to sell related maintenance items and repairs.
Used-item websites such as Kijiji or eBay can bring substantial savings, but unless you’re knowledgeable about determining a tire’s condition from sight or are buying from a trusted source, you may want to stick to a reputable retailer.
5. Compare apples to apples. Some tire makers, Goodyear for example, will offer certain tire models exclusively through selected retailers. Their Nordic label snow tire, offered only through Canadian Tire outlets, is a prime example. So when shopping, consider the fact that most retailers won’t be able to provide quotes on these exclusive-label tires.
The downside to these tires is that if only one is rendered unusable as a result of a puncture or collision, you’ll have to return to the original retailer to get a replacement. Getting an exact tire-tread design match is critical when replacing only one tire.
Brian Turner, Ottawa Citizen 11.21.2013
If you haven’t yet started shopping for winter tires, you’ll now find yourself in the middle of the busiest season for tire retailers everywhere. But don’t be dismayed. The selections are still great and there are deals to be had.
steve mann / Steve Mann - Fotolia
OTTAWA — If you haven’t yet started shopping for winter tires, you’ll now find yourself in the middle of the busiest season for tire retailers everywhere. But don’t be dismayed. The selections are still great and there are deals to be had.
The first thing you’ll need before you start shopping is your vehicle’s tire size. It’s printed on the sidewall of the tire and on the automaker’s info label on the driver’s door edge or door frame. It will appear as a series of numbers and letters, such as P225/65R16 or LT255/70R17.
If your door-label size info doesn’t match your tire sidewall number, someone may have substituted a different size along the way. It’s always best to stick with the original size unless an optional size can be safely used (see item #3 below).
1. Shop for four not two. Installing just two snow tires on a front-wheel-drive, rear-wheel-drive or all-wheel-drive vehicle is extremely risky. With no snows on the rear, you’ll find unpredictable handling on slippery surfaces and an increase in the vehicle’s tendency to spin out of control. No snows on the front means reduced steering and braking effectiveness and mixing snows and summers on an all-wheel-drive can mean all of the above, plus the risk of damage to transfer cases and drive lines stemming from differences in outer tire circumferences between snows and summers (note all-season tires are summer tires).
2. The best tires are not always the highest priced. This year, Consumer Reports listed the following as the top winter tires, in descending order, Michelin X-Ice Xi3, Michelin X-Ice Xi2, Hankook Icept Evo, Pirelli Winter 210 Sottozero, Uniroyal Tiger Paw Ice & Snow, Bridgestone Blizzak WS70. Tire makers are very conscious of competitor pricing, so you won’t always pay top dollar for top rubber.
3. Look for optional sizes. The size printed on the sidewall indicates the tire tread width in millimetres in the first three numbers after the letter(s) ‘P’ or ‘LT’. The next two numbers indicate the sidewall’s height as a percentage of the tread width (e.g. the number 50 means the sidewall height is half the tread’s width). The last two numbers indicate the rim’s diameter in inches. If your vehicle’s rims are 18 inches or bigger or have a low profile (less than 65) as in P235/60 R18 or P245/50 R20, you may want to check out an alternative size as these tires can be considerably more expensive than average.
To make sure your vehicle will accommodate a smaller size, check with your dealership or tire retailer for advice.
Keep in mind if you select a smaller rim diameter, you will have to purchase the corresponding rims to match. But in many cases, this can be less expensive than buying a larger low-profile tire and it will keep your alloy rims from being exposed to Canadian salty and gritty winter roads.
When opting for winter rims, make sure they are a direct fit for your auto and not a “multi-fit” designed to be used on several types of cars. If they require special wheel nuts or spacer plates, stay away from them.
4. Let your mouse do the walking. Several major retailers, like Canadian Tire and Active Green and Ross, offer online pricing, and others will provide quotes by email. U.S. tire websites such as tirerack.com provide pricing in U.S. dollars and some have an easy-to-use system to add duty and shipping charges to give a complete quote.
Don’t forget your original equipment manufacturer dealership or independent service provider. Many shops are willing to take very low profit margins for tires, knowing their sales give them access to your vehicle and the ability to sell related maintenance items and repairs.
Used-item websites such as Kijiji or eBay can bring substantial savings, but unless you’re knowledgeable about determining a tire’s condition from sight or are buying from a trusted source, you may want to stick to a reputable retailer.
5. Compare apples to apples. Some tire makers, Goodyear for example, will offer certain tire models exclusively through selected retailers. Their Nordic label snow tire, offered only through Canadian Tire outlets, is a prime example. So when shopping, consider the fact that most retailers won’t be able to provide quotes on these exclusive-label tires.
The downside to these tires is that if only one is rendered unusable as a result of a puncture or collision, you’ll have to return to the original retailer to get a replacement. Getting an exact tire-tread design match is critical when replacing only one tire.
I am sure you are professional and spent a lot of time by doing some research online. But I think you are twisting my point here.
1) Any garage shouldn't install mixed tire size FOR REGULAR USE. Unless like some exotic sport cars has mixes size front and back in original manufacturing spec.
2) Garage is a place to listen to customer and provide recommendation. Final decision is based on customer. Any writing on work order is when customer doesn't follow garages recommendation and it's a protection mechanism for the garage.
In this case,
If customer insist on putting on 225/45R18 on a 245/40R18 original spec, we will do evaluation and provide recommendation. There are 3 scenarios:
1) customer understands garage recommendation and agree to accept risk. No disclaimer on invoice.
2) customer understands garage recommendation but doesn't agree to accept risk. No job is performed.
3) customer still wants to go ahead and ignore garage recommendation. Disclaimer like yours will be on invoice.
There is no reason whatsoever to write all disclaimer on the invoice to protect either side of the equation.
Last but no least, if any of a garage wrong-doing that results in insurance claim rejected, I am sure any professional garage is covered with their own insurance.
Finally, try to have any original manufacturer dealer to write that disclaimer on their own invoice when putting on downsized winter tires. Good luck.
