Hi Lenny,
I had this problem on a 406 HDI some years ago. From memory it was the
brown
thermostat mounted between the engine and the bulkhead. There are 3
thermostats on the bulkhead, brown does the fans, green does the ECU and
blue
does the gauge.Take the wire off the brown one and ground it while the fan
is
running, if it stops replace the thermostat. Also a bad ground on the
relay
unit can cause this.
I hope this helps.
Dave G
lenny wrote:
>1.6 HDi 2004 307sw
>
>Ah, the common radiator fan problem that never stops running even with
the
>keys out (until the battery is dead). I am told that this is well known
and
>common on the 307 1.6 engine - the cat is right behind the radiator so
>doesn't get the air flow that it should causing the fan to keep going.
"It
>SHOULD keep going but there is a setting in the relay that cuts it out
when
>the battery gets to low." The bullsh*t explanation from my Peugeot dealer
as
>I had the relay replaced to the newer type that "allows this to happen".
5
>minutes down the road, exactly the same problem but I take their word for
it
>and let the fan run. It runs until the battery is dead! Before anybody
tells
>me that the battery is faulty, it isn't.
>
>I have had changed both the fast and slow running fan relay (?) and the
>problem is still exactly the same. I have read somewhere that a software
>download will cure the problem. Is this true? What does it cost?
Shouldn't
>Peugeot do this for free?
>
>Is the 2004 407sw 1.6 HDi the same engine as the 2004 307sw HDi?
>
>Any knowledgeable suggestions would be greatly received.
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