Balance newly installed tires/rims - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

golemslord · 09-07-2016, 01:34 AM

So I bought a set of TRD rims with tires (one month old tires) from a guy on craigslist, mounted them on by myself and the question is do I need a balance or alignment? or both? The rims were also previously mounted on an frs. Thanks

gramicci101 · 09-07-2016, 02:24 AM

Alignment, no. Changing wheels doesn't affect the alignment; changing suspension parts does. Were the tires already on the wheel? If so, the balance is probably fine. If it feels shaky while you drive that would be the first thing I checked though.

golemslord · 09-07-2016, 02:30 AM

Quote:

Originally Posted by gramicci101

Alignment, no. Changing wheels doesn't affect the alignment; changing suspension parts does. Were the tires already on the wheel? If so, the balance is probably fine. If it feels shaky while you drive that would be the first thing I checked though.

The tires were already mounted on the wheels. But owner said some wheel weights fell off (and i see that it did) so I guess I should get only a balance. There's no shaky feeling however. Thanks for clarifying what alignment is

gramicci101 · 09-07-2016, 02:33 AM

If you think some wheel weights fell off, definitely get them rebalanced.

churchx · 09-07-2016, 08:59 AM

Yeah, alignment, like camber/caster/toe is suspension parts related. Hence it should be done: 1) on new car (factory alignment has broad range of "pass"), 2) when you change suspension parts, 3) when you want some different settings (eg. more negative camber for track), 4) after crash or big hard shocks to suspension when you suspect alignment might get out of whack.

Balancing is for wheels+tires, so that wheel doesn't act as excentric crankcase producing vibrations when rotating, by large extent lessening comfort, adding roadnoise, reducing grip, reducing high speed stability, adding wear to dampers/bushings (but mostly of course due comfort). Should be done in most cases when you remount tires on wheels (not when you mount to different wheels+tires, as they are balanced as unit). That is 1) when you buy and install new tires on wheel, 2) when you change due season summer <> winter rubber, 3) and - your case - if you are informed, that some balancing wheights fallen of / if you feel something happened wrong with balancing (eg. unusual vibration/roadnoise) / or you tracked car that hard, that pieces of thread had been ripped off unevenly, and still want to use those tires

ModBargains.com · 09-15-2016, 06:44 PM

^^ Pretty much that unless its a big change in the wheel and tire set up. If you are sticking with same or close to same specs, alignment won't be needed

09-07-2016, 01:34 AM	#1
golemslord Senior Member Join Date: Aug 2015 Drives: 2014 White FRS Location: Canada BC Posts: 107 Thanks: 44 Thanked 4 Times in 4 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Balance newly installed tires/rims So I bought a set of TRD rims with tires (one month old tires) from a guy on craigslist, mounted them on by myself and the question is do I need a balance or alignment? or both? The rims were also previously mounted on an frs. Thanks

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09-07-2016, 02:24 AM	#2
gramicci101 Off Topic Join Date: Feb 2014 Drives: 2014 Subaru BRZ Limited Location: Vegas, baby! Posts: 4,610 Thanks: 2,369 Thanked 4,243 Times in 2,170 Posts Mentioned: 43 Post(s) Tagged: 3 Thread(s)	Alignment, no. Changing wheels doesn't affect the alignment; changing suspension parts does. Were the tires already on the wheel? If so, the balance is probably fine. If it feels shaky while you drive that would be the first thing I checked though.

09-07-2016, 02:33 AM	#4
gramicci101 Off Topic Join Date: Feb 2014 Drives: 2014 Subaru BRZ Limited Location: Vegas, baby! Posts: 4,610 Thanks: 2,369 Thanked 4,243 Times in 2,170 Posts Mentioned: 43 Post(s) Tagged: 3 Thread(s)	If you think some wheel weights fell off, definitely get them rebalanced.

09-07-2016, 08:59 AM	#5
churchx Senior Member Join Date: Mar 2015 Drives: 2014 GT86 Location: Latvia, Riga Posts: 4,335 Thanks: 698 Thanked 2,086 Times in 1,436 Posts Mentioned: 53 Post(s) Tagged: 1 Thread(s)	Yeah, alignment, like camber/caster/toe is suspension parts related. Hence it should be done: 1) on new car (factory alignment has broad range of "pass"), 2) when you change suspension parts, 3) when you want some different settings (eg. more negative camber for track), 4) after crash or big hard shocks to suspension when you suspect alignment might get out of whack. Balancing is for wheels+tires, so that wheel doesn't act as excentric crankcase producing vibrations when rotating, by large extent lessening comfort, adding roadnoise, reducing grip, reducing high speed stability, adding wear to dampers/bushings (but mostly of course due comfort). Should be done in most cases when you remount tires on wheels (not when you mount to different wheels+tires, as they are balanced as unit). That is 1) when you buy and install new tires on wheel, 2) when you change due season summer <> winter rubber, 3) and - your case - if you are informed, that some balancing wheights fallen of / if you feel something happened wrong with balancing (eg. unusual vibration/roadnoise) / or you tracked car that hard, that pieces of thread had been ripped off unevenly, and still want to use those tires

09-15-2016, 06:44 PM	#6
ModBargains.com Senior Member Join Date: Sep 2012 Drives: FR-S Location: La Habra, CA Posts: 1,526 Thanks: 88 Thanked 416 Times in 274 Posts Mentioned: 63 Post(s) Tagged: 0 Thread(s)	^^ Pretty much that unless its a big change in the wheel and tire set up. If you are sticking with same or close to same specs, alignment won't be needed

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