Hey guys, this started several weeks ago when I started my '95 E320 wagon: very brief squeal from the engine bay. It doesn't do it every time it is started, however, it is becoming more common an issue and is lasting a bit longer - we're talking maybe 2-3 seconds. As acceleration is increased so is the squeal, conversely, it stops when letting off the go-pedal.

Battery tested at 12.x volts not running. With engine running (nothing electrical engaged other than the auto climate control in AC mode) it shows 13.68v. Thinking I should be seeing something north of 14 - 14.5v...


Voltage regulator maybe? Testing procedure?


Thanks for helping diagnose


Dale

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Dale