Powershift Gearbox maintenance ?

by p1000 2011-09-27, 6:13 pm

Hi,
this is about the powershift, the gearbox is seal for life right, is there any indicated maintenance requirement on the services manual for the powershift after 10 years or 150 miles. Or is the life of the powershift is 10 years or 150 miles.... ???

see this forum -->
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edit : found this, indicating that the life of the transmission fluid
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so does this mean that the transmission fluid can be changed at 10 years or 150miles=241km ?

thanks

by Dias 2011-09-27, 10:11 pm

Fiesta uses a dry clutch. There's no transmission fluid to change as there is none in the first place.

The clutches on the Ford Focus TDCi diesel are wet running, while the new gearbox will have dry clutches. Doing away with the need for an oil pump and coolers improves mechanical efficiency and reduces weight.

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Q. How does the PowerShift transmission contribute to the Fiesta’s fuel efficiency?
A. A dual-clutch PowerShift transmission basically is two manual transmissions combined into one – in the Fiesta application it has six gears and two dry clutches.

From a fuel economy perspective, the fact that you don’t have a torque converter – and thus no torque converter losses, like in a conventional automatic transmission – is one big point that helps to save fuel. Plus the fact that this is a dry clutch system, instead of a wet clutch system also helps to save fuel because this dry clutch system is fully electro-mechanically actuated. We don’t have hydraulics, so there’s no hydraulic pump that consumes fuel. The lack of hydraulics makes this transmission fairly lightweight: it’s only 73 kg (160.6 lbs), and that weight reduction contributes to fuel efficiency.

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Not sure how "electro-mechanically actuated" actually works but I assume that there's a motor that controls the clutches instead of hydraulics?

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by **spymonkey** 2011-09-28, 3:13 pm

All i can googled pointed that the dry-clutch system is maintenance free and sealed for life. And as far as i know clutches have a very long life, and yes i'm talking about the conventional ones.

Now if what you say is true, 150k miles interval that is like about 7-9 years worth of normal daily usage. That's a long ways off before you'll start to worry.

As for the transmission unit itself, you dont have to worry much. They rarely breaks (my old car ran almost 200k KM and still ok) unless you're rallying with it. Ken Block style~!

by Dias 2011-09-28, 3:47 pm

The lifespan would most likely refer to the moving parts contained within.

Anyway...

150,000 mi. = 241,401.6 km

Just divide it by your assumed annual distance traveled and you should get a rough estimate of how long the clutch is going to last.

Based on current driving trend, my expected lifespan of the clutch is around 15.5 years. To be on the conservative side, I'll reduce it by 30%, which gives me 10.9 years of usage.

I target to hold onto my Fiesta for at least 10 years, so all is good. My father's Ford Laser lasted a good 13 years before selling it off sometime around 1995 and I hope the Fiesta will last equally long.

by p1000 2011-09-28, 5:40 pm

ya, was worry on the powershift lifespan since got a lot of complain on it. I was hoping that it can last more than 10 years. Planning to make the booking sometime Oct or Nov.

by **spymonkey** 2011-09-28, 8:08 pm

Only advice i can give you, just be cool with the transmission. It'll jerk a bit when crawling. That's normal, nothing to worry about. Once it learns your driving style it'll go away.

Just some added info, VW DSG/DCT on polo also suffers the same jerkiness, in fact some stated it's abit rougher than the fiesta.

by p1000 2011-09-28, 10:52 pm

Hi spymonkey,
thanks for the advice. Have test drive it at PJ center, didn't get the jerkiness when drive stop and start or crawling. Guess that test car have been tune for it.

by sfunglee 2011-09-29, 8:35 am

p1000...

I think the SDAC test car drive beyond 12000km so will be fine, wont jerk or crawling anymore...

Else u can tune it by reset the system in SDAC

by p1000 2011-09-30, 10:59 pm

thanks sfunglee.

found this in youtube --> [You must be registered and logged in to see this link.]
Does anyone having the same transmission noise as in the video ?

thanks

by **spymonkey** 2011-10-01, 9:47 am

Yes. For me sometimes. I think it's the heat shield. Never had the time to have them check.

by sfunglee 2011-10-02, 1:39 am

Welcome p1000 also thank for the youtube info...

by p1000 2011-10-02, 6:08 pm

well, as long as it is not a defect. i think i can live with it

by sfunglee 2011-10-02, 6:10 pm

So u booked adi? Hatch or Sedan?
Where u gonna booked hehehe...
Make sure get discount survey all Sales Team, by call-in...
After all the more you save, I just share happiness for you~v

by p1000 2011-10-02, 6:14 pm

looking to book sedan, need the boot space. So far survey only at the PJ center. Thank for the tip sfunglee. Will survey other dealer also.

by sfunglee 2011-10-02, 6:25 pm

Sure at least go to dealer i heared in cheras, got free smart tag + gull petrol... why not?

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