Radiator Cooling fan - MINI Cooper Forum

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post #1 of 2 (permalink) Old Sep 24th, 2010, 02:39 PM Thread Starter
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Radiator Cooling fan

Note of awareness to other Dooper owners.
My wife's Dooper was recently switching on the cooling fan very shortly after a cold start up, even though the bottom hose of the radiator was cold, indicating the thermostat had not even opened. I therefore assumed a potential sensor fault and took it into the dealer.
After an hours test diagnosis the dealer presented a report which detailed the amount of journeys the car had made and the duration in KM's. This pointed to the fact that the engine rarely got up to temperature so the emission control was performing a 'regeneration' by putting as much load electically on itself as possible to help clean the DPF. This is in conjuction with the on board fuel additive which is replaced every 100,000 miles in the service interval.
Diesel particulate filter - Wikipedia, the free encyclopedia

This would not of happened if the car was used on longer runs, as regeneration would of occurred during cruise.

In short its too complex and your are stuffed when it packs up later on.

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post #2 of 2 (permalink) Old Sep 25th, 2010, 07:52 AM
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Originally Posted by Wardpaa View Post
In short its too complex and your are stuffed when it packs up later on.
Sorry, I don't really understand. Isn't the car doing what it's supposed to? Why will it pack up later on?

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