S2000 Under The Hood S2000 Technical and Mechanical discussions.

Car pulls to left under acceleration and then back to the right with decel.

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Old 10-08-2014, 06:59 AM
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Originally Posted by Slowcrash_101
Check tire pressure, then check your alignment, then check your brakes. Car won't pull with bad shocks but it will wander and handling suffers.
All of these were checked already.
Old 10-08-2014, 08:37 AM
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Originally Posted by gpep77
Yeah I remember reading somewhere engine mounts could cause these symptoms. I will definitely look into this.
Esp if the car is leaking oil from the head area. Oil sometimes travels down the engine's seams and right onto the mounts --- leading to premature failure. If this is true, you'll need to fix the leak, too.

Good luck!
Old 10-08-2014, 08:54 AM
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Originally Posted by windhund116
Originally Posted by gpep77' timestamp='1412779463' post='23361289
Yeah I remember reading somewhere engine mounts could cause these symptoms. I will definitely look into this.
Esp if the car is leaking oil from the head area. Oil sometimes travels down the engine's seams and right onto the mounts --- leading to premature failure. If this is true, you'll need to fix the leak, too.

Good luck!
I'm 99.9% sure it doesn't have any oil leaks, but I will look into this too when I'm checking everything out. Thanks for the tip.
Old 10-08-2014, 09:12 AM
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Leaking crankshaft pulley seals can cause this, too. FWIW.

Good luck!
Old 10-08-2014, 12:43 PM
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How did they check the brakes?
Old 10-08-2014, 01:08 PM
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Jeez these threads get off track.

Your problem is in the rear tires, 99%.

Tire pressure, size, brand, age, and wear must be identical.

If all these check out, you have a defective tire.

Swap tires left to right, if the pull changes direction its the tires.
Old 10-08-2014, 01:10 PM
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Old 10-08-2014, 01:35 PM
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I assure you 100% a bad motor mount will not cause your symptom.
Old 10-08-2014, 02:02 PM
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Originally Posted by Billman250
Jeez these threads get off track.
Pun intended?

If it's a defective tire, and they're still not worn I think you can get new ones under warranty.
Old 10-08-2014, 04:21 PM
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Originally Posted by Billman250
I assure you 100% a bad motor mount will not cause your symptom.

Ok, sorry for the miss-direction. Good to know.

This motor mount issue has these symptoms in other cars. Really... 8^)





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