All Things Mk5 > How to Guides / Troubleshooting
DSG hesitating on downshift
RedRobin:
--- Quote from: LouCyffer on January 17, 2011, 10:08:47 am ---
Robin, yes I'm 'boxing' the shift as Police instructors taught me. I suspect that if it were an issue of technique, this would have shown itself before now. Unless my technique is gradually knackering something? Plus engine revs are very low, and peak below 3k (i've been watching & testing). My thoughts are toward the second clutch having to 'catch up' perhaps? In any case, Robin, I'll definately try spacing the shift more widely as you suggest.
It's worth clarifying the double click; it's not like a pc mouse; I'm shifting both ratios over about a second or slightly more. I have on several occasions noticed the same hesitation in D. Usually on the approach to a roundabout, the box is downshifting, and as I identify my traffic gap & apply throttle (while still rolling) the same can happen.
My issue revolves around the question of is this just a trait due to my driving style, or the box, or an impending fault?
--- End quote ---
....Now that you've reported some hesitation also in D, I'm thinking that it could be a DSG box issue though probably minor and one which a reset might sort out. Mechatronics failures seem to be more obvious because the toys often get thrown out the pram and it refuses to select what you want at all.
Question to all:
Does disconnecting the battery action a DSG 'reset'? I've noticed that after such a workshop session the DSG has had to relearn my driving style.
182_blue:
The box picks up your bad habits too LOL, mine spent the first few weeks sat in heavy traffic due to road works all the way to work, the car seemed to adapt itself to this and was a bit poo :laugh: in the gear change stakes, i reset the DSG and its been 100% better :happy2:, not sure about your D issue ?, do the reset and try it, do it ASAP then if it doesnt sort get it booked in.
--- Quote from: LouCyffer on January 17, 2011, 10:08:47 am ---
--- Quote from: Saint Steve on January 17, 2011, 09:03:46 am ---Is your car a 57/08 car lou?
Have you had the dsg box serviced yet?
You have vcds? perhaps its worth doing basic settings of the dsg if you do.Although ive never tried it.Perhaps maybe an error with the downshift paddle? although vcds will show an error if there is.
Or ask your dealer whilst in to investigate whilst your factory warrantys still valid?
--- End quote ---
Steve, car is 22/01/08 on a 57. 22300miles. No DSG service yet. Factory warranty for a few more days! MOT on wednesday so I'll have the dealer on it. So they can have a look.
--- Quote from: RedRobin on January 17, 2011, 09:31:33 am ---
--- Quote from: vRS Carl on January 17, 2011, 09:26:14 am ---
Lou i think the problem for you is (which isn't a problem as such) that you are going from 4th to 2nd which is controlled by the same clutch so it has to disengage 4th and select second which is probably the hesitation you are feeling.
--- End quote ---
....That's what I was alluding to. Same difference - Lou is 'forcing' the shift. I still say it's not a great way to drive IMO whether DSG or manual or on any vehicle.
--- End quote ---
Robin, yes I'm 'boxing' the shift as Police instructors taught me. I suspect that if it were an issue of technique, this would have shown itself before now. Unless my technique is gradually knackering something? Plus engine revs are very low, and peak below 3k (i've been watching & testing). My thoughts are toward the second clutch having to 'catch up' perhaps? In any case, Robin, I'll definately try spacing the shift more widely as you suggest.
It's worth clarifying the double click; it's not like a pc mouse; I'm shifting both ratios over about a second or slightly more. I have on several occasions noticed the same hesitation in D. Usually on the approach to a roundabout, the box is downshifting, and as I identify my traffic gap & apply throttle (while still rolling) the same can happen.
My issue revolves around the question of is this just a trait due to my driving style, or the box, or an impending fault?
Keep it coming please. I'm off to give her a bloody good wash down, fluids & pressures, and hopefully poke about with VCDS
Really I'm asking you guys to keep brainstorming
--- End quote ---
RedRobin:
--- Quote from: LouCyffer on January 17, 2011, 10:08:47 am ---
Robin, yes I'm 'boxing' the shift as Police instructors taught me.
--- End quote ---
....I went on a private course, one-to-one, with a highly qualified Police instructor and I don't recall being taught any "boxing the shift" techniques. He did very strongly urge me to only drive in manual mode on my DSG though. Hence I now only use D for traffic jams and slow urban. But this doesn't help solve your problem.
LouCyffer:
Ah, sorry Robin. This was back a couple of years ago when I had an Impreza.
VCDS shows no fault with the transmission. I've spoken to the dealer this morning & they have added this to Wednesday's job card. I'm hopeful that a DSG 'box reset may do the job. Prior to me, the 1st owner managed 9300 in 2 yeards. I suspect that it was driven very lightly. I was interested to note during my wash down & maintainance walkabout this morning that the oil level was fine. Previously it's been using a litre every 2-2.2k. I wonder if my driving style has assisted the 'run in'?
Anyway, back to topic. I'll have the dealer run a full reset on Wednesday.
--- Quote from: Hedge on January 17, 2011, 10:23:07 am ---I do the double click to change down, it's only the same as going from 4th to 2nd or 5th to 3rd in a manual, and my DSG box copes with it.
It isn't the sharpest tool in the box with other things I ask of it though. :fighting: :fighting:
As has been said get it into the dealers and at least logged as a fault that they are investigating before your warranty runs out.
--- End quote ---
Yes, they will have it logged as a warranty grumble (I'm extending the warranty in any case). Hedge, I'm pleased to hear you have the love-hate relationship with DSG as I have. Some days it seems mad to have a car without it. Other times, I pine for a manual...
Robin, as you have such fast road/track experience, have you noticed anything similar if you, for example, had to hurry a shift into a bend?
I wonder if it's worth polling the DSGers amongst us regards hesitation (in auto mode) as I described.
On the plus side, car is now shiny, fresh, and free from grime...
Really appreciate the input, folk. Keep it coming; I want as much info as I can for Wednesday's dealer visit>
QD MBE:
--- Quote from: RedRobin on January 17, 2011, 09:31:33 am ---
--- Quote from: vRS Carl on January 17, 2011, 09:26:14 am ---
Lou i think the problem for you is (which isn't a problem as such) that you are going from 4th to 2nd which is controlled by the same clutch so it has to disengage 4th and select second which is probably the hesitation you are feeling.
--- End quote ---
....That's what I was alluding to. Same difference - Lou is 'forcing' the shift. I still say it's not a great way to drive IMO whether DSG or manual or on any vehicle.
--- End quote ---
^^^^
Why is that a bad way to drive a Manual?
In a manual you stick the clutch in, and select 2nd from 4th, and ready for a junction, bend or get instant acceleration capability for an overtake manouver, as long as you don't over-rev the engine what is the problem in a manual?
:popcornsoda:
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