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#3212398 - 12/10/13 02:06 PM Re: Are my habits harmful to this CVT? [Re: gr8gatzby]
TFB1 Offline


Registered: 09/03/10
Posts: 3496
Loc: VA
If there is enough of a down hill grade that speed is increasing, I'll down shift and use engine braking, no fuel used and brakes aren't going to possibly overheat...

The thought of wearing out engine by downshifting is basically B-S...

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#3212587 - 12/10/13 04:57 PM Re: Are my habits harmful to this CVT? [Re: gr8gatzby]
Shannow Offline


Registered: 12/12/02
Posts: 33714
Loc: Oz
Originally Posted By: gr8gatzby
Engine braking should only be used as a method of deceleration in emergencies. Engines are more expensive to replace than brake pads.



Originally Posted By: gr8gatzby
I am saying the transmission is inherently flawed if it revs at 2k rpm when on a downward slope. As to whether the engineers know what they are doing is anyone's guess. I've seen this behavior in other CVTs, so I assume that it is an engineering obstacle inherent to the CVT design that has yet to be overcome.


As an engineer myself, I'm very very interested in how you've come to these views...

If in a manual, running down a hill, the engine is turning at the same speed as if you were going up the hill...how can that be damaging, or a design flaw if the CVT behaves the same ?

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#3213696 - 12/11/13 06:18 PM Re: Are my habits harmful to this CVT? [Re: gr8gatzby]
CBR.worm Offline


Registered: 05/10/05
Posts: 1760
Loc: Jupiter, Fl
[quote=gr8gatzby]You got a ticket for speeding, or for coasting in neutral? How would a cop know if a vehicle is in neutral in either transmission?[/quote

For coasting in neutral. I don't know how he knew, but he was right. I was from out of state and didn't want any problems so I didn't argue.
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#3213706 - 12/11/13 06:28 PM Re: Are my habits harmful to this CVT? [Re: gr8gatzby]
Artem Offline


Registered: 10/30/10
Posts: 4538
Loc: Florida
Originally Posted By: gr8gatzby


I am saying the transmission is inherently flawed if it revs at 2k rpm when on a downward slope. As to whether the engineers know what they are doing is anyone's guess. I've seen this behavior in other CVTs, so I assume that it is an engineering obstacle inherent to the CVT design that has yet to be overcome.


My 2011 Avalon will keep the same engine speed if I'm on the highway doing 75mph and let go of the gas pedal to coast for a bit when going downhill.

It would cause extra wear and tear if it disengages the gear every time to took your foot off the gas pedal for the slightest amount and reapplied.

The MPG gauge shows 99.9mpg when coasting in gear.

OP, you need to get a scan gauge and re-evaluate your driving style because it's FLAWED.
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