displaying posts 1 to 12 of 12

Author Subject: Rallye cooling fan
martinh

Seasoned Pro

Location: Bideford

Registered: 08 Dec 2006

Posts: 1,274

Status: Offline

Post #1
On my rallye the cooling fan is cutting in at 90 degrees meaning that they seem to be on alot of the time!

As far as im aware it shouldn't cut in till 97 degrees so was a bit confused as to why its cutting in early?!
Posted 9th Mar 2014 at 18:08
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,838

Status: Offline

Post #2
either the gauge is reading wrong, or someone has fitted a lower tep fan thermoswitch.

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Posted 10th Mar 2014 at 11:37
martinh

Seasoned Pro

Location: Bideford

Registered: 08 Dec 2006

Posts: 1,274

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Post #3
Thanks for the reply mate! where is the fan thermo switch located? Easy/cheap to change? Might be worth a go if it is.

Where does the guage get its reading from?
Posted 10th Mar 2014 at 19:42
martinh

Seasoned Pro

Location: Bideford

Registered: 08 Dec 2006

Posts: 1,274

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Post #4
Just searched and think the gauge takes its reading from the blue sensor on the thermostat housing?
Posted 10th Mar 2014 at 19:45
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #5
Gauge takes it's reading from the blue sensor in the thermostat housing, the fan is controlled by the blue sensor in the top of the rad, just by the top hose outlet. Yes

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Posted 10th Mar 2014 at 23:13
martinh

Seasoned Pro

Location: Bideford

Registered: 08 Dec 2006

Posts: 1,274

Status: Offline

Post #6
Has anyone got a part number for the sensor in the radiator? Going to go to peugeot tomorrow to get a few bits and I always find it easier with the part numbers!

Think 1338 09 is the number for the sensor in the stat housing?
Posted 11th Mar 2014 at 21:53
adam b

Seasoned Pro

Location: The Nam

Registered: 24 Jan 2006

Posts: 12,828

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Post #7
I think there are a few options, Google will tell you...

Still done nothing with those engines I bought LOL

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Posted 11th Mar 2014 at 23:47
martinh

Seasoned Pro

Location: Bideford

Registered: 08 Dec 2006

Posts: 1,274

Status: Offline

Post #8
Been in and ordered several bits and pieces from peugeot today including the thermostat housing sensor and the one in the radiator! So will see how I get on with them!

Adam b, well from my point of view they're better off in your way than mine!!! Any plans for them or.....
Posted 12th Mar 2014 at 18:38
martinh

Seasoned Pro

Location: Bideford

Registered: 08 Dec 2006

Posts: 1,274

Status: Offline

Post #9
Was faffing about a bit with the Rallye earlier, fitted a new exhaust etc then set about the cooling system, I first bled the system again, fans still cutting in at 90 degrees.

Went to change the blue sensor in the stat housing but the that is fitted has 2 pins and the replacement I got from Peugeot only has one so would assume its the wrong one?

Removed the sensor in the radiator and it had a red band around it, the replacement (again from Peugeot) had a yellow band, now I assume the different colour bands indicate different temperatures? Anyone know what colour means what?!

Bled the system again and was in the process of letting it get upto temperature then got called out to work so had to leave it, it got to just over 90 degrees with no fan cutting in so guess i'm going in the right direction!!
Posted 16th Mar 2014 at 17:34
martinh

Seasoned Pro

Location: Bideford

Registered: 08 Dec 2006

Posts: 1,274

Status: Offline

Post #10
Anyone know what temperature the different colour bands relate to?
Posted 17th Mar 2014 at 19:02
coskev

Seasoned Pro

Location: Oswestry

Registered: 01 Nov 2009

Posts: 3,132

Status: Offline

Post #11
The temps are stamped into the flat part of switch you put your spanner on, or on the end of switch that sits in rad Wink

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Posted 17th Mar 2014 at 19:35
lee306rallye

Regular

Location: coleford

Registered: 10 May 2009

Posts: 344

Status: Offline

Post #12
Did you fix it

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http://www.306gti6.com/forum/showthread.php?id=163869
Posted 13th May 2016 at 20:44

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