Peugeot 206 whining engine controlled by a/c

Car: Peugeot 206
Variant: 1.1
Model Year: 2000
Categories: Leaks & Noises
My Peugeot 206 has a noisy engine at best of times. It is worse when A/C isn't switched on.

Within seconds of switching A/C on and turning blower on, the engine whine is greatly reduced.

We are living in Spain so A/C is on most of the summer - now late autumn, if I want a quieter ride, need to use A/C and turn temp setting to a 'neutral' position.

Engine temperature is controlled efficiently by cooling fan, engine oil clean, no loss of water.

Suggestions gratefully received...
Posted: Oct 25, 2011 (13 years ago)
Not the alternator that's making noise and quietens down when load from heater / ac switched on ?
Posted Oct 25, 2011 (13 years ago)

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