[s-cars] Leaving the engine running

[Sandy Sligh]

I agree with Marc's assessment. However, if you read
the S4 owner's manual (i assume the S6 is similar if
not identical) Audi actually poo-poo's idling to let
the car warm up and recommends starting and driving
off instantly to bring the motor quickly to operating
temps.

Very weird and against everything I've been taught.

Sandy
--- CyberPoet <thecyberpoet at cyberpoet.net> wrote:
> It's true that the worst thing you can do to a car
> on a regular basis
> is start it, and then drive off. If you ask any cab
> driver or
> chauffeur, they will tell you that they
> traditionally start their cars
> and let them idle for 1 to 5 minutes before driving
> off at the start of
> the day or after any prolonged stop. Having done
> this in numerous
> vehicles (cars & motorcycles) myself, I can attest
> to the benefit (the
> volvo was recently sold with 240k miles on the
> original engine -- never
> any oil-related damages, no leaks, except a minimal
> one at the rear
> crank bearing seal, after switching to a light
> synthetic at 188K
> miles). But, having said that, I still disagree with
> the notion of
> leaving the car running while fueling. The benefit
> is minimized by the
> fact that the engine, having already run in the
> process of getting to
> the station, is freshly oiled, and I can't see that
> it outweighs the
> risks of leaving a car running (even ignoring the
> explosion risk, the
> risk of having someone else drive off with it while
> you are
> pumping/paying is too high).
>
> Now, having gotten onto the subject, has anyone used
> the magnetic-cling
> oils for an extended period of time yet (say, 50k
> miles or more)? I was
> thinking about using the stuff for a while, until a
> mechanic-friend
> pointed out that the problem with this is that the
> oil retains any
> microscopic metal particles at the sheer surfaces
> when the engine shuts
> down instead of carrying them to the crankcase.
>
> Cheers!
> =-= Marc Glasgow
>
> On Saturday, March 8, 2003, at 12:53 AM,
> s-car-list-request at audifans.com wrote:
>
> > The worst thing you can do to a car is start it.
> It's better for the
> > engine
> > to keep running and stay lubricated, especiallly
> when the oil is cold.
>
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