Need some advice on AWD
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Driver School Candidate
Joined: Sep 2013
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From: VA
Need some advice on AWD
Hi
I have a Lexus RX350 AWD 2007. My rear tiers h are not round beacouse the previous owner had to little tire pressure in two of the tiers and it has been standing still for a couple of months.
I have been recomended do change these almost brand new tiers. Since this is my first awd i wonder if i have to get the exact same tire or will i damage the transfer case?
I have a Lexus RX350 AWD 2007. My rear tiers h are not round beacouse the previous owner had to little tire pressure in two of the tiers and it has been standing still for a couple of months.
I have been recomended do change these almost brand new tiers. Since this is my first awd i wonder if i have to get the exact same tire or will i damage the transfer case?
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From: FL
Hi
I have a Lexus RX350 AWD 2007. My rear tiers h are not round beacouse the previous owner had to little tire pressure in two of the tiers and it has been standing still for a couple of months.
I have been recomended do change these almost brand new tiers. Since this is my first awd i wonder if i have to get the exact same tire or will i damage the transfer case?
I have a Lexus RX350 AWD 2007. My rear tiers h are not round beacouse the previous owner had to little tire pressure in two of the tiers and it has been standing still for a couple of months.
I have been recomended do change these almost brand new tiers. Since this is my first awd i wonder if i have to get the exact same tire or will i damage the transfer case?
To find the date on your tire look for a string of letters and numbers beginning with DOT. Look to the last four digits where the 1st pair is the week and the last pair the year the tire was manufactured.
If the tires are really "almost brand new" and not over 6 years old, I'd just air them up to 32-35 psi and drive them enough to heat them up, say an hour on the highway. This should remove any flatspotting and you should be good.
Who recommended that you replace them? While having a different pair installed shouldn't cause your transfer case any stress, I'd want to replace all four to maintain consistent handling in all weather conditions.
Last edited by jfelbab; Nov 18, 2013 at 06:18 AM.
Thread Starter
Driver School Candidate
Joined: Sep 2013
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From: VA
Hi and thanks
The tiers are 1 yers old
and the tire shop told me i have to replace them (2) i have driven with 45 psi for over than 1h i usaly have 45 psi .
So if its ok with the transfercase i can buy other tiers ?
The tiers are 1 yers old
and the tire shop told me i have to replace them (2) i have driven with 45 psi for over than 1h i usaly have 45 psi .So if its ok with the transfercase i can buy other tiers ?
Racer
Joined: Apr 2006
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From: California
Of course the tire shop would want you to replace them, after all their business is selling tires. Don't leave your tires at 45 psi you will have short life on them doing that. Lexus recommends 30 I run my tires at 32.
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From: FL
The more important issue is that by mixing tires you are changing the traction of the vehicle front to back. This is not a good idea, IMO. While it may not damage your driveline it could cost you a loss of control in an emergency situation. As I said, if it were me and I really needed to replace the tires I'd replace all four.
If the tires are one year old, they should be under some sort of manufacturer warranty. Tell me the brand name and size of tires and also the date of manufacture. Also please tell me exactly why you feel they are a problem. What problems are they exhibiting?
Some added material on the subject of mixing tires: http://www.tirerack.com/tires/tirete....jsp?techid=18
If the tires are one year old, they should be under some sort of manufacturer warranty. Tell me the brand name and size of tires and also the date of manufacture. Also please tell me exactly why you feel they are a problem. What problems are they exhibiting?
Some added material on the subject of mixing tires: http://www.tirerack.com/tires/tirete....jsp?techid=18
Last edited by jfelbab; Nov 18, 2013 at 02:58 PM.
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From: Bc
The more important issue is that by mixing tires you are changing the traction of the vehicle front to back. This is not a good idea, IMO. While it may not damage your driveline it could cost you a loss of control in an emergency situation. As I said, if it were me and I really needed to replace the tires I'd replace all four.
If the tires are one year old, they should be under some sort of manufacturer warranty. Tell me the brand name and size of tires and also the date of manufacture. Also please tell me exactly why you feel they are a problem. What problems are they exhibiting?
Some added material on the subject of mixing tires: http://www.tirerack.com/tires/tirete....jsp?techid=18
If the tires are one year old, they should be under some sort of manufacturer warranty. Tell me the brand name and size of tires and also the date of manufacture. Also please tell me exactly why you feel they are a problem. What problems are they exhibiting?
Some added material on the subject of mixing tires: http://www.tirerack.com/tires/tirete....jsp?techid=18
Thread Starter
Driver School Candidate
Joined: Sep 2013
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From: VA
Thanks everbody for the good advice.
My tires are 235 / 55 r18 Nokian hakkapelitta R snow tiers. Reason i need to change the is they are wobbling and it cant get rid of it by re balancing them.
I guess i have to buy 4 new onee
My tires are 235 / 55 r18 Nokian hakkapelitta R snow tiers. Reason i need to change the is they are wobbling and it cant get rid of it by re balancing them.
I guess i have to buy 4 new onee
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From: FL
I don't know if this is of any help but here is Nokian's warranty info: http://www.nokiantires.com/nokian-warranty
Wobbling can be caused by a number of things. Here is a link on how to identify the exact cause: http://www.souzastireservice.com/tir...d-wobbles.aspx
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Thread Starter
Driver School Candidate
Joined: Sep 2013
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From: VA
Thank you so much for the help, i contacted Nokian herr in Sweden. Haven't got a answer from them yet. That's very interesting reading . I'm at the tire shop now to buy new tiers .
I have always heads hire tire pressure with perfect wear. Now I'm using 45 psi on my 235 / 55 R 18. Any gommens on that?
I have always heads hire tire pressure with perfect wear. Now I'm using 45 psi on my 235 / 55 R 18. Any gommens on that?
Moderator
Joined: Dec 2003
Posts: 3,283
Likes: 63
From: FL
Thank you so much for the help, i contacted Nokian herr in Sweden. Haven't got a answer from them yet. That's very interesting reading . I'm at the tire shop now to buy new tiers .
I have always heads hire tire pressure with perfect wear. Now I'm using 45 psi on my 235 / 55 R 18. Any gommens on that?
I have always heads hire tire pressure with perfect wear. Now I'm using 45 psi on my 235 / 55 R 18. Any gommens on that?
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