Thread: 87 300sdl 3.0 noise
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Old 07-31-2007, 10:30 PM
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guage guage is offline
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Join Date: Nov 2003
Posts: 2,254
Switch to Mobil 1 synthetic oil 15w40 15w50.

My 87 300SDL does it every once in a great while too.
I do not believe it's anything to worry about.
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