[T3] 73 T-3 oil temp?
Jim Adney
jadney at vwtype3.org
Tue Sep 7 06:58:32 PDT 2021
On 5 Sep 2021 at 9:52, William Jahn wrote:
> I was stuck in traffic barely moving for over an hour and the oil temp
> read just under 220 F the oil light would go on at idle , it was 94 F air
> temp . If I put the auto trans in neutral the oil light would go out . I
> checked the oil level later and was down 1/2 quart . Once I was able to
> start moving the oil temps dropped .
Given your situation, hot day, hot pavement, stop & go traffic (surrounded by
other cars also shedding their excess engine heat, as well as the heat from
their ACs) I don't see anything particularly unusual about what you
observed. Your 220 F indicated temperature is probably not unusual for
those conditions, but it can be informative to test your temp sensor in boiling
water (212 F) to see how good the calibration is.
Putting the AT into N is the right thing to do: It reduces the load on the
engine which means less waste heat to get rid of, plus it lets the idle speed
increase a bit, providing a bit more cooling and a bit more oil pumped thru
the engine and oil cooler. It's a zero effort solution.
Once you get moving, there's no longer stagnant hot exhaust air trapped
under the car, plus there's turbulence that enhances the cooling of the
underside of the engine.
--
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Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
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