Re: 2.5 Auto diesel....idling in "D" for long periods
Posted: Wed Jan 06, 2010 12:02 am
Any advantage over just sitting in P
..... no pun intended ....honest. 


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Interesting, I know very little about auto boxes. When stopped in D mine will creep, is this normal for a Bongo?dandywarhol wrote:I don't see any advantage in idling in D. With the brakes on the only difference between D and N is the front clutch is applied but nothing else is working/turning. In fact, idling in N will probably warm up the oil faster as the torque convertor is running/slipping a little faster.
Sitting in D at the lights does no harm whatsoever
Keep clear of yellow snow.....................dunslair wrote:Any advantage over just sitting in P..... no pun intended ....honest.
Didnt King Charles make blue snow.............?kawasaki kid wrote:My Cavalier King Charles Spaniel is very good at making yellow snow.
Sounds just right TGP - some creep is normal from the torque convertorThe Great Pretender wrote:Interesting, I know very little about auto boxes. When stopped in D mine will creep, is this normal for a Bongo?dandywarhol wrote:I don't see any advantage in idling in D. With the brakes on the only difference between D and N is the front clutch is applied but nothing else is working/turning. In fact, idling in N will probably warm up the oil faster as the torque convertor is running/slipping a little faster.
Sitting in D at the lights does no harm whatsoever
Also as I live within a minute from the motorway it can take about 6/7 miles before lockup.
Works great when travelling into town from cold as it is going up n down through the gears. The cooling system gets up to temp sooner then to.
Nope.dunslair wrote:Any advantage over just sitting in P..... no pun intended ....honest.
dandywarhol wrote:Nope.dunslair wrote:Any advantage over just sitting in P..... no pun intended ....honest.
I'll reserve judgement until you're finished your exhaustive trialsmikeonb4c wrote:dandywarhol wrote:Nope.dunslair wrote:Any advantage over just sitting in P..... no pun intended ....honest.
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Yup
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bobngo wrote:supreme being , i think it was king george who peed blue ,not king charles
I respect that view, and I'm certainly not trying to promote the practice (and this is not my thread of course!). But chocked up, on my drive, with handrake hold checked also before leaving vehicle unattended, with no small children in our house, etc. etc. I think reasonable precaution has been taken and the risk/benefit balance is favourable (much as a circular saw is dangerous but useful, and acceptable as a risk provided a suitable guard is fitted and its not left around near children etc.).madmile wrote:I am no mechanical expert, but have always gone on the basis that sitting at lights etc in D with foot brake applied was never a problem (only tend to use hanbrake for parking or very steep hill starts). But I would never leave an auto idling in D for the purposes of warming up, and certainly not if I wasnt sat in the drivers seat. If it crept fowrard due to handbrake not being 100% on it could cause and accident, or you could accidentally hit the throttle as you get in and even run yourself over.