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2011 Subaru Outback 2.5i Limited Graphite Gray Metallic with power moonroof, Auto dim rear view mirror & home link, Backup camera and Media hub
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Discussion Starter #1
Hi, guys:

My wife accidentally switched the CVT to manual(3) and drove for 6 miles with high rpm (4000 or so). Does this will cause any damage to the CVT? How to check this?

Thanks,

:mad:
 

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2011 OB 2.5i Prem CVT HK/AWP, Ruby Red Pearl
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3,322 Posts
No, the ECU protects the CVT from redline. The H4 is also S/D-OHC, 4K isn’t ‘high rpm”.
 

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My question is how the wife unknowingly had it in manual but did know it was showing it in "3rd gear" at 4000 rpm for 6 miles?
 

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'08 Veracruz Limited
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3,992 Posts
My question is how the wife unknowingly had it in manual but did know it was showing it in "3rd gear" at 4000 rpm for 6 miles?
He said "accidentally". I don't see the issue. She sees the big "3" displayed, notes the higher RPM but doesn't know why/how it happened. Silly, but not unfeasible.
 

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2013 Subaru Outback Premium 2.5i All-Weather+Moonroof Venetian Red Pearl W/ Ivory Coth
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572 Posts
I believe it has a failsafe in it where it reverts to the CVT program
 

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Bottom line: Not dangerous. Revs are limited by the computer, like virtually every other car made these days.
 

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2012 Outback 2.5 Premium - Former: Golf TDI
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No issues at all- in fact, driving through mountainous areas with the 2.5/CVT combo, you'll be at LEAST at 4K RPM's for extended periods anyway!

Drive more, worry less :29:
 

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2004 Toyota Sienna, miss my eyesight. Life moves on.
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This is probably a worst case situation......for the MPG of that tank that is.
 

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2012 Impreza Sport Ltd 2013 Outback Limited SAP
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Newer cars defend themselves from the "stupid" or "uneducated" - kind of like what the diesels do for "over-rev protection" - press the pedal all you want; however, at a certain RPM point, that's it, no more. No gain and no harm.
 

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2013 Legacy Lim CVT Car: 2011 OB Prem 6MT Car: 2006 Miata GT 6MT mc: 2003 Honda GL1800A * Reunite Gondwanaland *
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3,567 Posts
Newer cars defend themselves from the "stupid" or "uneducated" ...
"It is impossible to make anything foolproof, because fools are so ingenious."
-- Heinlein

.
 

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2005 OBW 2.5L, 1989 Subaru Justy, RIP Blu
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The only way to hurt a CVT is by going from forward to reverse and back without fully stopping the car.

She didn't do anything detrimental except to the gas mileage. If she really pushed it hard either the car would not go any faster (like my CVT Justy) or the computer will force an upshift. I am not sure which the modern CVT will do.
 

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2014 Outback Limited - 2.5 CVT - Graphite ---- 'Rehomed' 2012 Outback Limited - 2.5 CVT - Deep Indigo Pearl - Could be a Black Bumper Masonite car ---- "RIP" 2010 Outback - 2.5 CVT - Silver - So's m
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On long flat highways (like Kansas), I'll switch to 'manual' to keep the trany in '6'.

Not sure if this helps/hurts MPG or damages trany.

I forget the trany is in manual when exiting onto local roads. The trany is smarter than me. It switches to '1' and stays there until I shift or go to 'auto'.

--- Knocking on wood grain plastic ---- So far doesn't appear to have hurt anything.
 

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2011 Subaru Outback 2.5i Limited Graphite Gray Metallic with power moonroof, Auto dim rear view mirror & home link, Backup camera and Media hub
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Discussion Starter #16
I checked the Outback yesterday. It indeed can be easily shifted to manual mode with accidental touch. I have been driving a manual Honda Civic for more than 10 years before I bought this Outback. I tried the Paddle shift for the first time yesterday. It works pretty well. I would like to test it when I go skii this season.

Thank you guys for the input!
 

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2012 Impreza Sport Ltd 2013 Outback Limited SAP
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On long flat highways (like Kansas), I'll switch to 'manual' to keep the trany in '6'.

Not sure if this helps/hurts MPG or damages trany.

I forget the trany is in manual when exiting onto local roads. The trany is smarter than me. It switches to '1' and stays there until I shift or go to 'auto'.

--- Knocking on wood grain plastic ---- So far doesn't appear to have hurt anything.
Just "blip" into 6th gear without switching to manual and it should stay there unless you drastically change acceleration, etc... (you don't need to go into manual mode) Should not hurt anything the way that you are doing things, IMHO.
 

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On long flat highways (like Kansas), I'll switch to 'manual' to keep the trany in '6'.

Not sure if this helps/hurts MPG or damages trany.

I forget the trany is in manual when exiting onto local roads. The trany is smarter than me. It switches to '1' and stays there until I shift or go to 'auto'.

--- Knocking on wood grain plastic ---- So far doesn't appear to have hurt anything.
By design all engines are tuned to be most efficient at certain RPM ranges - I can 100% promise you that lugging the car in 6th is not its designed max efficient RPM vs load etc.

I tried this with my MT subaru years ago drove it for several months keeping the RPMS as low as possible borderline lugging pretty much all the time - my mileage took a major nose dive. I went back to my more normal driving habit and the mileage jumped back up to what it got for many years 24-25mpg around town and on long trips 26-27mpg.
 

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I checked the Outback yesterday. It indeed can be easily shifted to manual mode with accidental touch. I have been driving a manual Honda Civic for more than 10 years before I bought this Outback. I tried the Paddle shift for the first time yesterday. It works pretty well. I would like to test it when I go skii this season.

Thank you guys for the input!
Winter ski trips and foul weather I leave it in AT mode and down shift with the paddle to help manage down hill speeds and to avoid adding brake use to already challenging slick road conditions it works pretty well. Only time I generally use Manual mode is when I'm off road - towing the boat up the boat ramp, plowing my way out of a snowed in parking spot. Or getting a little sporty in the canyon where holding 2nd to power out of a curve and manage speed with throttle vs brakes etc is in play.
 

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2013 Jeep Wrangler 2dr
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The only way to hurt a CVT is by going from forward to reverse and back without fully stopping the car.

She didn't do anything detrimental except to the gas mileage. If she really pushed it hard either the car would not go any faster (like my CVT Justy) or the computer will force an upshift. I am not sure which the modern CVT will do.
It will force it. No bouncing off the rev limiter around turns.
 
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