Hey guys
This morning my 240 had a strange whining sound while driving.
It sounded almost like a police siren off in teh distance, it changed tones as you accelerated and also as it changed up and down through the gears. It started when you got up to about 15mph and remained noticeable until you got to 50mph.
It seemed to me to be tranny noise as it changed tones with gear shifts and engine speed, but sounds more like its coming from engine comapartment. I did check tranny fluid and its at max and looks clean.
The car is a 1990 240DL, with around 150K miles.
Any suggestions on what to check?
Thanks
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