Vehicle & Technical > Discovery

strange problem

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treeman:
well after spending all off tonite on it aswell im starting to think it is, it doesnt help wen the viscous fan is stuck on  :evil: its jus 1 thing after another  :( cheers for the advice

chris9119:

--- Quote from: "treeman" ---it doesnt help wen the viscous fan is stuck on  :evil:
--- End quote ---


 :?:  :?:  what do you mean, stuck on  :?:  :?:

If I can assist in anyway, send me a pm or give me a call

treeman:
well it doesnt cut in or out, start it up an its on, rev it up an it goes faster, arent these supposed to cut in when they reach temp??  :?: im lost  :lol: looks like its time to do the head gasket  :roll:

Range Rover Blues:
As they get older they don't work as well, but when it's been stood the viscous fans locks up.  When you start it from cold a vlave opens and allows the oil inside to be thrown outwards, dissengaging the drive but the fan will still rev up to about 2,000 RPM.  It will nto stand still.

When the fan heats up too much the valve closes again and the fan locks up fully, at this point you should hear the fan blades whooshing.

Try to spin it when stationary, if it moves then it's working to some extent.

treeman:
well it has only done about 2000 mile in the last year an it was stood in my garage for 3-4 months so that would explain it , it was confusing me  :lol:  thanks

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