Re: E30. Checking Fan Clutch. How? Cooling system cleaning agent?

["The MaZe" <thezeeuw@xxxxxx>]

>My 1988 325 iS runs a little hot all the time - winter/summer/spring/fall =
>- - and I suspect the reason may be a failing fan clutch.  Is there a way
to =
>check this?
>I'm going to flush the coolant and clean the radiator.  Any suggestions on
=
>what to use?  I imagine it has not been cleaned in 10 years!  The Porsche =
>list recommends using Simple Green for radiators and cooling lines that =
>have been dirtied by head gasket failures, but I'm not sure that would be =
>good for the aluminum on a long term basis.


With the enigine running, gently try stopping the fan by holding tight
folded newspaper against the blades of the fan. If you can stop it, you'll
have to replace the fan, otherwise you'll have another problem. For cleaning
and flushing the coolant system i allways use just water.

Grretinx,
MaZe
'86 320i 273k

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