Angelo,
I had a similar experience shortly after I bought my 92 500E in '06.
Turned out to be a loose connection at the back of the temp gauge in
the instrument cluster. Tightened the connection, no more problem.
If you have one of those laser temp gauges, when the gauge reads 120,
point it at various hoses, etc., in the engine compartment to verify
or discount what the guage says.....
HTH,
Chuck
Phoenix AZ
On Oct 31, 2008, at 8:23 AM, ANGELO GIAIMO wrote:
The Temp gauge on my 1990 350SDL sometimes jumps from it's normal
85C to
being pegged past 120C. No a slow ramp-up, like the temp is actually
rising, but an a instaneous jump. 1'st time it scared the crap out
of me
and shut her down quickly and checked....not hot all and plenty of AF.
Just as fast as it jumped past 120C, it returned to 85C....after
going over
a small bump in the road. Now, I can almost make it jump on
command by
giving the dash a short wrap with my knuckles. My thought was a loose
connection, but I've been told that the gauges sometimes go
bad.......That
true?
Now........are the instrument clusters (Temp, Oil Pressure, Gas
Gauge) on
the 350SDL's the same as the older 300SD/SDL's? I can get my hands
on one
of them cheaply, or do I need to find one specifically for the
350? Dealer
prices are a joke.....(If we did not know that already)
Thanks......
Angelo Giaimo/Fishkill/IBM @ IBMUS
Internet: [EMAIL PROTECTED]
(845)894-4296 (tie 533); fax: 892-6235 (tie 532);
2070 Rt. 52; Hopewell Junction, N.Y. 12533
1990 350SDL w/ 271K....and still ticking.
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