Engine coolingfan Problem

Hi All - A little help is required concerning my 2005 tourer diesel .



The engine cooling fan has started to operate in a different manner recently . The engine at no time is overheating . The problem is Only happening when the air con (Auto) is 'on'.

The fan comes on and spins for approx 12 seconds then stops - after 25 secs idle it comes on again for 12 secs . If i switch off (econ) then the fan doesn't restart.

This 'new' cycle has not happened previously in over 6 years of ownership. The air con is 'cold' when required (Summer).



Another issue is the Battery goes flat after 2 or 3 days when the car is not in Use.

The Battery holds charge when disconnected . The car doesn't have hi-line sat nav , but does have the 'in phone' nav .



There are no water ingress issues and the drains are dry (Modified chamber some years ago)



MGOC point to the alternator - £175 and labour extra to remove the front bumper to get at at.



Can anyone throw light on these problems which appeared at the same time?



The car is 56K from new and is kept outside.



Thanks in advance .

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