Rick's Free Auto Repair Advice

Posts Tagged: tire circumference

Replace all four tires on AWD?

Do you have to replace all four tires on AWD? Replacing one tire on AWD can cause damage If you own a vehicle with all-wheel-drive (AWD) and have an unrepairable flat tire, the tire shop will tell you that you have to replace all four tires on AWD. They’re right—well, kinda. Installing a single brand new tire on an AWD vehicle with 3 worn tires can destroy the AWD unit. The difference in diameters means that the new tire rotate less than the other three and that forces the AWD … Read More

Replace 4 tires on AWD

Do you really have to replace 4 tires on an AWD vehicle? Replace 4 tires on AWD vehicle Do you really want to destroy your $3,000 drivetrain? You have two choices when you damage a tire beyond repair on an AWD or 4WD vehicle. You can replace 4 tires or you can buy a brand new tire and have it shaved down so the tread depth falls within the allowance rolling radius difference set by the car maker. Get it? Two and only two choices. If you buy just one … Read More


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