I needed to replace one of my original equipment Continental CrossContact LX Sport tires with a Hankook Dynapro HP2 as I am in somewhat of a remote location and could not wait for delivery of the matching tire. The original tires have approximately 9,500 miles on them. I have read that mismatched tires in an AWD vehicle could cause problems. Is this a real problem or a theoretical problem? Trying to decide whether I really need to replace the new Hankook tire with a new matching Continental asap. If I do, I am thinking about discarded the donut, but a plain rim and, make the Hankook tire my spare tire. Any additional insight is appreciated.
zmetman62
More of an issue that the tread depth/ overall rolling diameter of the tires match. Personally it would bug me to have mismatched brands, so I'd probably swap the new tire to be a full size spare, but not something to worry about in the short term unless your other tires were all pretty worn down.
If there is a big tread gap you can have the new tire shaved down to match.
If there is a big tread gap you can have the new tire shaved down to match.
i might be mistaken, but on awd vehicles the tires have to match or it messes with the system. This is why it’s recommended to buy 5 new tires so you can also replace the spare And it matches the other 4. That said, I wouldn’t be buying a 5th tire to match as I’d be driving the spare only a short distance.
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What is the problem with your Continental CrossContact LX Sport tires . Loosing air, tread separation, Nail in sideway.
You didn't say the reason you have to change the tire.
You didn't say the reason you have to change the tire.
After 9,000 miles it shouldn't trip the AWD system to think there's slippage (unless you are just heavy on the peddle and stop/go to wear them out prematurely. Also if you've stayed on top of rotations).
Side note: I had this same thing occur with my Subaru Outback except I was 6 weeks out from returning my lease. I hit a pothole and blew a tire. They had about 30,000 miles on the tires so I couldn't replace just the one. $ 500 later (yes I put the cheapest tires I could find on it) and 6 weeks I turned the vehicle in with brand new tires (ouch!)
Side note: I had this same thing occur with my Subaru Outback except I was 6 weeks out from returning my lease. I hit a pothole and blew a tire. They had about 30,000 miles on the tires so I couldn't replace just the one. $ 500 later (yes I put the cheapest tires I could find on it) and 6 weeks I turned the vehicle in with brand new tires (ouch!)
Are you AWD or FWD?
The issues as I know and have experienced over the years myself or family.
Different traction level due to different compounds and patterns. Will only really be evident in emergency or poor conditions. Different diameter due to wear and/or manufacturer. Yes same size from different companies have different diameter. Jeep had a service bulletin WAY back with their full time AWD for burning up transfer cases with different brands and wear. It might not be triggering any traction/ABS/ESC currently but might in an odd way around a turn or slippery conditions. Measure with a tread depth gauge to see depth. Chalk on edge at same spot on bottom and drive straight for as far as possible then compare different rotation. Different diameter left/right might cause wear to the rear or front differential clutch plates pending where you have it.
The factory spare I think has a different diameter anyway but is also for temporary use.
My dad burnt a rear diff up in a 2WD Chevy Astro with some different brand tires. Maybe other factors involved also.
My Father-in-law toasted a rear diff in an AWD CRV by not rotating the tires. Fronts wore way down and backs were a lot of tread so rotated slower. AWD pistons tried to engage "real time AWD" but couldn't on pavement. Something had to give eventually and it was quite the $$ for a new one.....and then tires also....instead of just rotating on a normal basis.
YMMV
The issues as I know and have experienced over the years myself or family.
Different traction level due to different compounds and patterns. Will only really be evident in emergency or poor conditions. Different diameter due to wear and/or manufacturer. Yes same size from different companies have different diameter. Jeep had a service bulletin WAY back with their full time AWD for burning up transfer cases with different brands and wear. It might not be triggering any traction/ABS/ESC currently but might in an odd way around a turn or slippery conditions. Measure with a tread depth gauge to see depth. Chalk on edge at same spot on bottom and drive straight for as far as possible then compare different rotation. Different diameter left/right might cause wear to the rear or front differential clutch plates pending where you have it.
The factory spare I think has a different diameter anyway but is also for temporary use.
My dad burnt a rear diff up in a 2WD Chevy Astro with some different brand tires. Maybe other factors involved also.
My Father-in-law toasted a rear diff in an AWD CRV by not rotating the tires. Fronts wore way down and backs were a lot of tread so rotated slower. AWD pistons tried to engage "real time AWD" but couldn't on pavement. Something had to give eventually and it was quite the $$ for a new one.....and then tires also....instead of just rotating on a normal basis.
YMMV
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