MK5 Golf GTI
All Things Mk5 => How to Guides / Troubleshooting => Topic started by: dajonic on July 09, 2009, 10:20:17 pm
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Hi everyone,
I've had my gti just under a month and wander if anyone has the same experience? Coming up to a junction or roundabout and easing off the accelerator...check to see if the way forward is clear and then accelerating. The dsg hesitates, then the revs climb significantly before the clutch grips and the car picks up speed. It feels like clutch slip to me but under most other conditions it's not obvious. Any ideas or suggestions greatly appreciated.
In sport mode or changing through the paddles it's not a problem so maybe the kick down function is a bit sensitive??
Thankls again.
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Sounds like it is the Kick down function mate. As if it's fine in M and S modes then I doubt it's the clutch.
DSG map will sort that out.. :happy2:
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Thanks VTEC ABUSER.
You say a dsg map...is that a dealer option or are there other routes to follow? When I bought the car they gave it an oil sevice but I think it needs a full on proper service so could a remap be included in this?
Thanks again.
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The dsg map he's refering to is an after market dsg software that's presently only freely available from Giac.
btw I suspect what you're seeing is normal as the dsg box has problems in this particular area.
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With normal driving, in D, M, or S - everything is fine.
But when you floor the pedel to use the kickdown feature I also get some hesitation while it chooses its gear. I think its pretty normal, and as stated above, you'd probably need a DSG remap to sort it.
When you state the revs climb significantly, you'll probably notice thats because its dropped drown 2-3 gears to get the most power from the high rev range.
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With normal driving, in D, M, or S - everything is fine.
But when you floor the pedel to use the kickdown feature I also get some hesitation while it chooses its gear. I think its pretty normal, and as stated above, you'd probably need a DSG remap to sort it.
When you state the revs climb significantly, you'll probably notice thats because its dropped drown 2-3 gears to get the most power from the high rev range.
Kickdown is normally two gears, so the delay you feel under a 2 gear kickdown is due to the fact that they are on the same gear shaft and don't benefit from the extra drive shaft.
ie 6th to 4th, 5th to 3rd, 4th to 2nd, 3rd to 1st
All these changes use the same drive shaft so the changes take longer as the clutch has to disengage, select the kickdown gear and re-engage the same clutch on the same shaft :happy2:
A kickdown of 3 gears would still be longer than a 1 gear change as normally the box has a pre-selected gear on the other drive shaft that is nearest to the one being used, so it would have to select a gear further away than the one it normally pre-selects. It would also take longer to match the drive shaft speeds for the gear swap :happy2:
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I find if I've been tootling around in D, lazy commuting style and then surprise it with a bootfull, it has a spaz as its gone to sleep.
Override with the paddles where possible.
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Yeah sorry mate, the DSG software is a aftermarket map that allows you to have it in manual and when you floor it it doesn't engage the hideous kickdown (which I used to hate :sick:). As Tony says, it's a lot better to just use the paddles and engage the gear YOU want, not what it may think is best. That's what I always use to do when aproachiing a RA/juction. Plus it gets you a bit more involved in the driving.. :wink:
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I hate kickdown sometimes. Really is anoying when you only want a little acceleration and all of sudden you get a shed-load.
Kickdown almost rids the whole idea of low down torque - as it always wants to shift down into the power range.
Am I right in thinking Revo now do DSG box software?
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I find if I've been tootling around in D, lazy commuting style and then surprise it with a bootfull, it has a spaz as its gone to sleep.
This is exactly what I hate about the DSG. "D" is kind of sporadic and inconsistent. One minute it wil be economy the next it will be dropping the gears and accelerating like crazy.
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I hate kickdown sometimes. Really is anoying when you only want a little acceleration and all of sudden you get a shed-load.
Kickdown almost rids the whole idea of low down torque - as it always wants to shift down into the power range.
Am I right in thinking Revo now do DSG box software?
Officially at present no, but give it a few more weeks and there should be some news.
Other options are present are GIAC or HPA (not sure if HPA have any UK dealers for it as yet). :happy2:
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I find if I've been tootling around in D, lazy commuting style and then surprise it with a bootfull, it has a spaz as its gone to sleep.
This is exactly what I hate about the DSG. "D" is kind of sporadic and inconsistent. One minute it wil be economy the next it will be dropping the gears and accelerating like crazy.
....The solution is easy: Only use D when you are crawling in a traffic queue or gently in town/village, and otherwise use M and the paddles and think 'Manual' by shifting gear whenever you would in a conventional manual car. D is dull but very useful if you accept its limitations.
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....The solution is easy: Only use D when you are crawling in a traffic queue or gently in town/village, and otherwise use M and the paddles and think 'Manual' by shifting gear whenever you would in a conventional manual car. D is dull but very useful if you accept its limitations.
This is invariably what I do RedRobin. But I find myself becoming annoyed by M not being 100% true to its name.
For example...
- 1) There is still a kick down function
This is possibly the most annoying feature of the DSG box. Coming from a torque'y car I enjoy using low end torque to full effect, of which the edition 30 has plenty of. So I find it frustrating when I floor the accelerator at 3.5-4k (just as the turbo begins) in 3rd to find it dropping into 2nd for a bit of head snapping, high revving action. This has caught me out on a number of occasions. - 2) Changing gear at redline
While enjoying B-roads this is sometimes an unwelcomed surprise.
Now I know number 2) can be solved with a DSG box remap. But can number 1)?
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^^^^
Yes, so can number 1) be solved by a DSG remap *cough* allegedly *cough* :wink:
[But now I've told you that, I'll have to shoot you! :wink:]
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Why the *cough*'s? I'm not following. Oh the joys of online chat.
I presume thats the GIAC DSG map? Maybe we need to get Hurdy in on this topic :happy2:
I find it most frustrating when leaving a 40 zone to enter a 60/70 zone.
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^^^ I think Robin is refering to a possible DSG remap from another company that isn't released as yet :innocent:
However the features in the test/beta version may be different to the initial released product from this company :happy2:
Hurdy will be able to confirm the features of the GIAC software.
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^^^^
The *coughs* mean clearing of throat before muttering something which is only for whispering and which has an element of secrecy.
All will be revealed in the fullness of time. It's as SteveP says - He speaks da troof.
My particular solution when approaching the end of the 30/40 zone is to shift from D to M and 3rd or 4th, maintain the limit until my shoulders are level with the GLF sign, and then floor it in M. Obviously according to road conditions.
(https://www.mk5golfgti.co.uk/forum/proxy.php?request=http%3A%2F%2Fdaz.co%2Fmedia%2Fb308%2FRedRobin_05%2FPogoAlert1.jpg&hash=0725314f294c151c78b8fb41c52ccb13704ed27c)
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I find the DSG gearbox very predictable and rewarding. In a turbo car you always want to progressively apply the accelerator - that way you get to use all the torque and give the turbo a chance to build pressure.
As RR suggested...I find using the paddles approaching a round-about/junction ideal to maintain the revs between 2.5 to 4K.
Plus it helps having those nice aluminium DSG extensions I got fitted at the TT Shop... that way I don't need to fumble around for the levers when ragging round corners... :pomppomp:
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In a turbo car you always want to progressively apply the accelerator - that way you get to use all the torque and give the turbo a chance to build pressure.
Where did you hear/read that? :confused:
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Just a personal opinion - rather than a statement of fact based on science. :chicken: