You need a new thermostat if the temp takes more than 5 minutes to reach
80-85C. Every Benz diesel that I have driven (with a new thermostat)
has reached 85c within 2 miles of home at 30-40mph in sub-freezing weather.
Luther KB5QHU Alma, Ark
'87 300SDL (300,xxx mi)
ernest breakfield wrote:
only slightly related; what kind of operating temps are you guys that
live in real cold seeing?
here where temps rarely get much below the 20s-40s this time of
year, i still don't often see the coolant temp indicate anything above
80C until it's been on the highway at speed/load for many miles. (i've
already played with changing out the thermostat to units i've verified
are opening at the proper temps.) i'm sure this is exacerbated by the
fact that we're running almost pure BioDiesel almost all of the time
as we can see the temps come up quicker and higher when we have to run
#2 instead of B99 on road trips, but i can run around town all day and
never see the coolant reach the normal area on the gauge even when
temps are into the 50s and higher. FWIW, the car starts fine on a
single glow cycle, but (no surprise!) definitely runs stronger when warm.
i know some veteran diesel-heads used to be seen with radiators
shrouded or grills even completely blocked in the cold to keep temps
up where they're supposed to be; what are the thoughts regarding doing
this with a 617 turbo-diesel?
cheers!
e
'85 300D (~187K)
Berkeley, CA
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