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Will I screw up the differential by different size at front and rear tires on G35X?

Will I screw up the differential by different size at front and rear tires on G35X?

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Old 07-11-2019, 01:52 AM
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Will I screw up the differential by different size at front and rear tires on G35X?

Hi, since G35X is AWD system, I was wondering if the differential will screw up by using 215/55R17 at the front tires and 225/55R17 at the rear tires?

The tire's thickness of 215/55R17 is 118.25 mm, and 123.75 mm for 225/55R17, there are 4.4% different between the two thickness.

The overall tire diameter will be 1.6% different between the two tires size.

Many thanks.
 

Last edited by Stanley; 07-11-2019 at 02:13 AM.
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Old 07-11-2019, 07:52 PM
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You cannot run staggered diameter tires with AWD. Width is mostly unimportant but the diameter MUST be the same.

EDIT: Well technically you CAN but you need to disable the transfer case by pulling the fuse and thus it wouldn't exactly be AWD anymore...
 
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Old 07-12-2019, 01:12 PM
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Thank you for your answer.

So will the AWD system get damage immediately by the tires setting? I already mounted the small size tires on the front, can I still drive it for just couple days that I commute for the work? (I already ordered the new tires for the rear which are the same size as the front tire, but I will receive it until next week.) Thanks.
 
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Old 07-12-2019, 03:23 PM
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It will immediately start to sense a difference in wheel rotation and engage the transfer case, it would probably take a few weeks to overheat and destroy itself but you can eliminate that risk by disabling it's power.
 
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Old 07-13-2019, 01:33 PM
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Gotcha! Thank you so much!
 
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