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Old 01-09-2008, 12:25 PM   #1 (permalink)
 
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Transmission Creep Function

Looking at the cutaway pictures that BScott posted in the gallery of the transmission there are two large electric motors with gears. These must be what provides the creep function.

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Old 01-09-2008, 12:45 PM   #2 (permalink)
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well....the engine and the transmission provide the creep function. Not having the picture you speak of in front of me, I don't know what you might be referring to, but I'd take a guess that those might be the electric clutch motors? If so, then yes....indirectly they provide the creep function, but the creep is still powered by the engine I believe. (if it used electric motors it would almost qualify as a hybrid, hey?)
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Old 01-09-2008, 12:53 PM   #3 (permalink)
 
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Quote:
Originally Posted by kmeinhold View Post
Looking at the cutaway pictures that BScott posted in the gallery of the transmission there are two large electric motors with gears. These must be what provides the creep function.
"Creep function"? This car does not creep. This car has a "Hill Holder". When stopped on an incline, a gear is selected (forward or reverse), foot brake is applied, upon release of the foot brake, braking remains for 1 to 2 seconds to give time to apply the accelerator and for the clutch to engage.

If the accelerator is not pressed within the 1 to 2 seconds after taking your foot off of the brake pedal, the car will begin to roll downhill.

That's the way it works. I guarantee it !

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Old 01-09-2008, 01:16 PM   #4 (permalink)
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actually the car does have both a creep function and hill assist. The creep function uses the engine/tranny to creep forward, unlike the hill assist which does use the brakes as you described correctly above.
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Old 01-09-2008, 01:49 PM   #5 (permalink)
 
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SmartCard, that is what I have heard also. I also remember someone asking on this forum (I guess I could do a search) if the creep function would decrease the life of the clutch disc. Has anyone heard anything about that?
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Old 01-09-2008, 01:56 PM   #6 (permalink)
 
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actually the car does have both a creep function and hill assist. The creep function uses the engine/tranny to creep forward, unlike the hill assist which does use the brakes as you described correctly above.
Please explain this: "The creep function uses the engine/tranny to creep forward,".

I have to notify my warranty company and make an appointment with my mechanic (Smart Factory trained) who says "Smartcard" is a "Kartoffelkopf".

On level surface, my car will NOT creep. Parking brake off, Trans in [1], engine running and level surface, NO CREEP !

I think the wait is getting to you Smartcard.

BTW: What is the possible advantage of "Creep Function" ?

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Old 01-09-2008, 02:06 PM   #7 (permalink)
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Don,

You have a converted, Euro, '06, 6-speed 450. The "creep" is a feature of the N.A., '08, 5-speed 451! Same name, different car.
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Old 01-09-2008, 02:22 PM   #8 (permalink)
 
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Don,

You have a converted, Euro, '06, 6-speed 450. The "creep" is a feature of the N.A., '08, 5-speed 451! Same name, different car.
For the moment, let's assume you are correct, You still failed to answer my question; What possible advantage can there be to a built in creep function?

I will back down when you show me this factoid in a Smart source.


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Old 01-09-2008, 02:37 PM   #9 (permalink)
 
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I have seen on here mentioned that it was so it would memic an automatic transmission as we are use to with it in drive. Maybe someone that has driven the US 451 could chime in and give us the lowdown.
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Old 01-09-2008, 02:42 PM   #10 (permalink)
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For the moment, let's assume you are correct, You still failed to answer my question; What possible advantage can there be to a built in creep function?

I will back down when you show me this factoid in a Smart source.

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Don, while not a factoid (actual "benefit") I have read that the engineers decided to add it for the American market since most "American" drivers are used to their slush box putting the car into a slight creep mode when they take their foot of the brake. The same reason why they changed the markings on the gear knob to PRNDL (to be in keeping with our "norm".)
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