2014 traction loss on right turns - Subaru Outback - Subaru Outback Forums
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post #1 of 10 (permalink) Old 02-17-2017, 02:14 PM Thread Starter
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2014 traction loss on right turns

2014 Outback 2.5L engine w/ 33K.


When turning right with load on engine, eg slight uphill and/or heavy acceleration, the vehicle experience a traction slip along with a grating or grinding noise that sounds like it is coming from the back of the vehicle. I have experienced this on dry pavement. The traction loss indicator on the dash also flashes briefly. So far I only notice this on right turns.


It will be going to the dealer for service next week but I wanted to see if anyone had ideas what this might be.

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post #2 of 10 (permalink) Old 02-17-2017, 02:41 PM
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axle problem?

odd


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post #3 of 10 (permalink) Old 02-17-2017, 03:13 PM
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Do you get a traction light flash on the dash? No light no traction loss. Rubbing tire on a loose mud flap?
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post #4 of 10 (permalink) Old 02-17-2017, 04:30 PM
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Quote:
Originally Posted by tyerod View Post
2014 Outback 2.5L engine w/ 33K.


When turning right with load on engine, eg slight uphill and/or heavy acceleration, the vehicle experience a traction slip along with a grating or grinding noise that sounds like it is coming from the back of the vehicle. I have experienced this on dry pavement. The traction loss indicator on the dash also flashes briefly. So far I only notice this on right turns.


It will be going to the dealer for service next week but I wanted to see if anyone had ideas what this might be.
You say you are seeing a traction light indicator: since that's the case, the car may be trying to compensate for a loss of traction on the right rear wheel by using the ABS and that might be the grating/grinding sound you hear. Are your tires in good shape and properly aired up?
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post #5 of 10 (permalink) Old 02-17-2017, 05:06 PM
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This is exactly how we would get our dad's '76 Corolla to break loose the back tire when we were teenagers.

Cranking the steering right puts more resistance to forward motion.
The torque of the driveshaft rotation tends to lift the rear right tire.
As the car goes into a right-hand turn, the weight transfers to the left (centrifugal force), further unloading the right side tires.
Combining these was a easiest way to start doing donuts in a car with 75hp!

That said, it's not a complete surprise that traction light is going. Try angling the car into the turn so you have a straighter shot without having the steering wound up as much when first moving from a standstill. Lightly applying the accelerator when first starting motion would also help. Once moving, you can apply a healthy dose of go-pedal.
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post #6 of 10 (permalink) Old 02-18-2017, 12:35 PM Thread Starter
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Thank you for all the responses. Tires were put on last September and properly inflated. This is a route I drive frequently and the slippage issue started about two weeks ago that I noticed. Looking into it a little yesterday the noise is the same as when I have traction issues on snow. I haven't changed my driving habits, I have been called an old man driver, so it seems strange that it would start losing traction on dry pavement.

"This is exactly how we would get our dad's '76 Corolla to break loose the back tire when we were teenagers."
Used this same technique to get cool points driving my mom's Chevy Malibu wagon back in the day
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post #7 of 10 (permalink) Old 02-18-2017, 12:55 PM
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could you demonstrate the problem with a tech or service writer in the car? That would be better than just dropping the car off for service and telling them about this.

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post #8 of 10 (permalink) Old 02-18-2017, 03:37 PM
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Quote:
Originally Posted by tyerod View Post
Thank you for all the responses. Tires were put on last September and properly inflated. This is a route I drive frequently and the slippage issue started about two weeks ago that I noticed. Looking into it a little yesterday the noise is the same as when I have traction issues on snow. I haven't changed my driving habits, I have been called an old man driver, so it seems strange that it would start losing traction on dry pavement.
If it just started a couple weeks ago: Do you live in an area where road crews use a lot of sand in the winter? If you haven't had rain to wash it away, it will tend to collect on the right side of the lane and possibly be contributing to a loss of traction on right turns.
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post #9 of 10 (permalink) Old 02-18-2017, 03:40 PM
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Mine does the same thing. The traction control is a little too sensitive IMHO. I turn it off when I'm pulling out in to traffic from a stop. I do tend to drive it in a spirited manner, though.

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post #10 of 10 (permalink) Old 02-20-2017, 07:02 PM
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It is possible there is a loose wheel bearing and the ABS sensor flakes out under those conditions. Not really probable.

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