Car pulsing/vibrating in sync with tire rotation
09-18-2012 | 03:16 PM
#16
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Joined: Aug 2012
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Well - I've got a similar problem, but...
It only feels out of balance for the first mile or 2 after it has been parked for several hours. Example: leaving work today, I drive about 1/2 mile to the freeway (114) - and accelerate to @70mph. The imbalance feels horrible - can be felt in steering wheel. It slowly fades...and doesn't come back until situation occurs again (sitting for several hours - but NOT in my garage). AND - only at speeds >@65/70mph...
Wheels/Tires were just road-force balanced last week in an attempt to chase this issue.
Thoughts? Bad front tire? But then - why would it smooth out? Do the RE050's flat spot? Driving me nuts..
FYI - today's temp was @105 degrees as I was leaving work...so it's not like the tires were cold...
Sorry for hijacking thread...OP's problem sounds like an out of balance issue. I'd get a road-force balance on all 4 tires and see if that fixes it...
Thanks
It only feels out of balance for the first mile or 2 after it has been parked for several hours. Example: leaving work today, I drive about 1/2 mile to the freeway (114) - and accelerate to @70mph. The imbalance feels horrible - can be felt in steering wheel. It slowly fades...and doesn't come back until situation occurs again (sitting for several hours - but NOT in my garage). AND - only at speeds >@65/70mph...
Wheels/Tires were just road-force balanced last week in an attempt to chase this issue.
Thoughts? Bad front tire? But then - why would it smooth out? Do the RE050's flat spot? Driving me nuts..
FYI - today's temp was @105 degrees as I was leaving work...so it's not like the tires were cold...
Sorry for hijacking thread...OP's problem sounds like an out of balance issue. I'd get a road-force balance on all 4 tires and see if that fixes it...
Thanks
I have had the same problem recently after getting new tires. I even tried rebalancing several times with Road Force 9700 and even trying a different brand of tires.
Seems like for the first 5-10minutes local driving is ok but once up to 70mph on the interstate, it vibrates for 5 minutes and then dissipates. I think it is not a balancing issue but but likely tire issue. My previous OEM RS-A didn't exhibit this behaviour at all. Maybe the harder rubber on newer tires tends to be stiffer ? I tried Kumho Ecsta 4x and now the MIchelin MXV4. Both seem to exhibit the behavior. Whats even more odd is that on some days, its perfect .... dealer checked steering /suspension / balance and couldn't find anything.
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