IIRC, the MB cars, at least the old ones I drove, had that little water
pump in the heater circuit that circulated the coolant around the head and
to the heater before the thermostat opens to let the coolant start flowing
through everything else. This is to provide heat ASAP to the cabin. I've
never seen this feature in another car.
On Wed, Nov 20, 2013 at 11:41 AM, Curt Raymond <curtlud...@yahoo.com> wrote:
> It was about 20F this morning when I went out to start my commute, the
> coldest by far since I've owned the TDI.
>
> I find this car fascinating since its so different from my old MBs.
> Normally the glow plug light just blinks in a POTS (power on self test) and
> the glow plugs don't do anything. Today however the light was on for a good
> 20 seconds. The car started just like an MB with just a touch of the key
> but it was interesting to see the light really on for the first time in
> just over 2,000 miles of driving.
>
> Another interesting part of this ('98 Jetta TDI) car is how long it takes
> to get heat. Right now it takes just about twice as long as my '84 190D. On
> the TDI boards they put this down to the efficiency of the engine. I think
> that a lot of the folks driving them baby the engines too, I tend to keep
> the RPMs up like I would on an MB although I've started to get into 4th and
> 5th a lot earlier than I used to. The torque from that little 1.9l really
> carries the car along well.
>
> -Curt
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--
OK Don
"They who can give up essential liberty to obtain a little temporary
safety, deserve neither liberty nor safety." - Benjamin Franklin 1775
"in this world nothing can be said to be certain, except death and taxes."
- Benjamin Franklin 1789
2013 F150, 18 mpg
2012 Passat TDI DSG, 44 mpg
1957 C182A, 12 mpg - but at 150 mph!
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