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The BMW Range
5 Series
E39
New fan clutch is noisy
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<blockquote data-quote="Herbert" data-source="post: 415733" data-attributes="member: 18029"><p>Clutch fans <span style="color: Red"><u>SHOULD NOT </u></span>be running at full speed when engine is cold.</p><p></p><p>Quote from another website:-</p><p></p><p>The unique appeal of a refined BMW is the essence of German know-how, style and power. A BMW Fan Clutch attaches to a drive pulley with a clutch, permitting the fan to rotate at different speeds according to temperature conditions. This speed variation minimizes strain on the engine, saving fuel, by permitting the fan to spin quickly when the engine is running hot and slow while the engine is cold. In working BMW Fan Clutches, a calibrated thermostat regulates a valve which manages the flow of fluid between different elements of the car's clutch assembly.</p></blockquote><p></p>
[QUOTE="Herbert, post: 415733, member: 18029"] Clutch fans [COLOR="Red"][U]SHOULD NOT [/U][/COLOR]be running at full speed when engine is cold. Quote from another website:- The unique appeal of a refined BMW is the essence of German know-how, style and power. A BMW Fan Clutch attaches to a drive pulley with a clutch, permitting the fan to rotate at different speeds according to temperature conditions. This speed variation minimizes strain on the engine, saving fuel, by permitting the fan to spin quickly when the engine is running hot and slow while the engine is cold. In working BMW Fan Clutches, a calibrated thermostat regulates a valve which manages the flow of fluid between different elements of the car's clutch assembly. [/QUOTE]
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New fan clutch is noisy
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