Arkaneslayer Neutral Newbie December 16, 2003 Share December 16, 2003 If you want to rotate left to right, your tyre's thread pattern has to be similar at both side. The top tyre cannot be rotated left to right as the inner and outer thread pattern is different. The bottom tyre can. actually top tyre also can ... onli those that have directional threads like Pilot SPort, ES100 or Eagle F1 cannot. ↡ Advertisement Link to post Share on other sites More sharing options...
Soya Supersonic December 16, 2003 Share December 16, 2003 the tyre sidewall will hv a small arrow indicating direction of tyre rotation. that means it's directional. if dun hv arrow, means unidirectional. (any way oso can). directional tyres are usually high performance tyres. Link to post Share on other sites More sharing options...
Madarmour Neutral Newbie December 16, 2003 Share December 16, 2003 I am not wrong. You can rotate a directional tyre left to right but in order to do so you must take out the tyre from the rim and place it to the other rim, like I've explained earlier. Yes, the lower picture is directional but the pattern at both side is similar, so you can use it either left or right. The top picture is not only directional, it's left and right dependent too. Just think about it. Of course if you want to DIY without taking out the tyre from the rim, you can only do a front to back rotation. Link to post Share on other sites More sharing options...
Madarmour Neutral Newbie December 16, 2003 Share December 16, 2003 how do u see if it is directional? i thought the below tyre is non-directional Both tyres are directional but the one above is also left and right dependent. If you look at the thread pattern of the tyre below, it's meant to roll one way, hence unidirectional. Multidirectional tyre means you can roll it forward and backwards. Sorry, I don't have a picture of a multidirectional tyre. Link to post Share on other sites More sharing options...
Madarmour Neutral Newbie December 16, 2003 Share December 16, 2003 shld be multi-directional right since its a spare tyre that can fit on either 4? A spare tyre is usually multidirectional. Link to post Share on other sites More sharing options...
Jimmyl Neutral Newbie December 16, 2003 Share December 16, 2003 Sorry for misunderstanding. The top picture tyre thread is lets say thick thread on one side and thin thread on the other side. Cannot really see any directional design. IF it's only the thin and thick tyre issue, also can rip out the tyre to refit for tyre rotation right. Link to post Share on other sites More sharing options...
Madarmour Neutral Newbie December 16, 2003 Share December 16, 2003 Top tyre can rotate left to right? How so? Link to post Share on other sites More sharing options...
Madarmour Neutral Newbie December 16, 2003 Share December 16, 2003 Hmmmmmm.......picture not that clear after all. The top tyre is CSC2. Link to post Share on other sites More sharing options...
Arkaneslayer Neutral Newbie December 16, 2003 Share December 16, 2003 if the tyre is not removed from the rim, the outside threads (large square blocks) will always be on the bolt side of the rims. the thread is not directional so it is okay. Link to post Share on other sites More sharing options...
Raycsk Neutral Newbie December 16, 2003 Share December 16, 2003 If you want to rotate left to right, your tyre's thread pattern has to be similar at both side. The top tyre cannot be rotated left to right as the inner and outer thread pattern is different. The bottom tyre can. Just like to correct a misconception here. Even tyre with uniform thread pattern does not mean it is bi-directional. Its important to check for direction of rotation indicated by an arrow on the tyre wall. We rotate tyres to ensure even wear on all 4s and this is done typically every 10,000-20,000km. As the tyre wears, the entire tyre-rim assembly will run out of balance. Hence it is recommended to balance all tyres during rotation. A tyre shop typically charges about $20 to rotate and balance. So unless you have the machine for static and dynamic balancing, it may be make sense to have tyre shoips do that job for you. The rotation sequence should be: 1. Driver (right) front to Passenger (left)rear 2. Passenger rear to Passenger front 3. Passenger front to Driver rear 4. Driver Rear to Driver front This is commonly practiced for bi-directional tyres. For single directional tyre, the correct sequence ought to be the above sequence. But the tyre would need to be removed and the rims swopped. But frequent removal and refitment of the tyre to the rims will infact weaken the tyre wall reinforcement. So that is why the common practice in this case is front-rear of the same side swops. Consequences of unbalanced wheels (may occur) 1. Steering vibration or jiggling/slight steering from left to right 2. Car pulls to one side 3. Premature wear fo bearing, lower arm bushes(rear), ball joints 4. If driven forcibly, misalignment of toe-in & caster 5. Loss of traction if emergency brake applied. Also tyre shops tend to balance only the front tyre. The front tyres usually run out of balance easily relative to the rear as its subjected to more lateral forces when turning and they might cause 1 or a number of the above to occur. It is always wise to pay a bit more for them to balance all 4 tyres for safety and optimum performance. Link to post Share on other sites More sharing options...
Madarmour Neutral Newbie December 16, 2003 Share December 16, 2003 Yeah, you are right provided the tyre is non directional. Need to check with CSC2 on this. Anyone can tell whether the CSC2 is a assymetrical directional or assymetrical non-directional tyre? Link to post Share on other sites More sharing options...
Madarmour Neutral Newbie December 16, 2003 Share December 16, 2003 Thanks for your input. You put it in words better than I can. What I type is based on the assumption that the top tyre being assymetrically directional and the bottom tyre being symetrically directional. Link to post Share on other sites More sharing options...
Raycsk Neutral Newbie December 16, 2003 Share December 16, 2003 Thank you, Mike. Its one of those information I learn from them old uncles at tyre shops. I used to rotate my own tyres (mini). The diameter was so small that there was simply no need to balance them anyway. I had one jack and 1 spare to work with. So had to take out and put in wheels 8 times... thinking it about it now But why would anyone wannna DIY tyre rotation these days, especially in light of costly car repairs? Expense of about $30 and some inconvenience is better than a car-less 1 day and several hundred $ bill. Anyway that is my own humble opinion. Link to post Share on other sites More sharing options...
Acemundo Supercharged December 16, 2003 Author Share December 16, 2003 quite true.... usually i also send to agent for rotation. but this time round as i just changed an entirely new tyre, thought can do the rotation myself to even out the wear Link to post Share on other sites More sharing options...
Acemundo Supercharged December 16, 2003 Author Share December 16, 2003 the tyre sidewall will hv a small arrow indicating direction of tyre rotation. that means it's directional. if dun hv arrow, means unidirectional. (any way oso can). directional tyres are usually high performance tyres. means mine is uni-directional Link to post Share on other sites More sharing options...
Acemundo Supercharged December 16, 2003 Author Share December 16, 2003 (edited) I am not wrong. You can rotate a directional tyre left to right but in order to do so you must take out the tyre from the rim and place it to the other rim, like I've explained earlier. Yes, the lower picture is directional but the pattern at both side is similar, so you can use it either left or right. The top picture is not only directional, it's left and right dependent too. Just think about it. Of course if you want to DIY without taking out the tyre from the rim, you can only do a front to back rotation. uni-directional tyres don't need to take out rims right? Edited December 16, 2003 by Acemundo Link to post Share on other sites More sharing options...
Madarmour Neutral Newbie December 16, 2003 Share December 16, 2003 Unidirectional tyres need to take out from rims if you want to rotate fron left to right. If not, it will face reverse when bolted on to the other side. Link to post Share on other sites More sharing options...
Madarmour Neutral Newbie December 16, 2003 Share December 16, 2003 I don't rotate my tyres. IMO, once I rotate, I will lose clue to what's happening on that particular end. I change my tyres before they hit 40K. Well, side to side rotation is such a simple job that some ppl may not want to bring it to the tyre shop to do. Just like some ppl may prefer to change a flat themselves rather than appearing to be helpless and call AAS! ↡ Advertisement Link to post Share on other sites More sharing options...
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