Re: [doc] Possible cooling fan problem

[Martin Gutkowski <martin@xxxxxxxxxxxxxx>]

Not all temp gauges are created equally and not all senders are either. 
With one of our senders and one of our rad fan switches, the fans should 
cut in a gnat's wing above the 220 mark - but again, not all the gauges 
are the same but it's good enough to tell you when things are getting 
hotter than they should.

I've seen an original sender (in my car) read over a lower and lower 
range to the point where the fans would cut in at the first mark. I've 
seen a replacement sender (that bore a remarkable similarity to ours in 
appearance) send the needle off the gauge before the engine was even 
warm to the touch!

FWIW the rad fan switch we do is set to the operating temperature of the 
Renault 30. Can't really go wrong with that, IMO.

Martin

Chris Parnham wrote:

> Thomas,
>
> it wont be the thermostat, but it could be the otter switch ( or
> whatever it is called ) in the water pipe on the LHS of the engine, they
> can vary a bit. I like the one's Dave Howarth sells,  that switch on at
> a slightly lower temperature.  Or of course it could just be that your
> temp gauge is reading slightly out and all is well really.  I'd keep a
> close eye on it, but if it does not actually boil up it should be OK.
>
> Best regards
> Chris Parnham
> DOC 2
> RHD  vin 5638
> BTTF vin 20049 




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