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Author Subject: Fan dont start on S16
morten-

Newbie

Location: Haslev

Registered: 20 Aug 2010

Posts: 14

Status: Offline
Post #1
I know this have been up many times now on the gti. But as i havent found my problem solved by reading the topics, i was hoping to get some new help...

I have a S16 ´95 with a RFY XU10J4L engine.

To start with the previous owner replaced the engine with the same RFY model. And i dont know if he's taken the one from a ph1 or ph2 !

Now. The fan won't start in when the temp reaches about 101degree as it should. I've checked relays, fuses and wiring to the fan. If i take the relay out near the fan, and put a wire to short leg 3 and 5 the fan runs perfectly.

If i remove the blue plug, the needle goes to 0degree in the dashboard(as it should!)

If i remove the brown plug, nothing happens at all. No light turns on, or the fans start. Very wierd indeed.

Now... Theres a green plug just laying around near the ECU. Does that have anything to do with the fan? I have uploaded some pictures so you can see my engine bay.

Made an album, but dont know if it works 100%
http://img835.imageshack.us/gal.php?g=bil089.jpg





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Posted 20th Aug 2010 at 23:29
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rikky 🦔

Location: cheshire

Registered: 28 Feb 2004

Posts: 26,796

Status: Offline
Post #2
green plug at the ECU is the diagnostic port which is unplugged. don't worry about that

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Posted 20th Aug 2010 at 16:49
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morten-

Newbie

Location: Haslev

Registered: 20 Aug 2010

Posts: 14

Status: Offline
Post #3
rikky wrote:
green plug at the ECU is the diagnostic port which is unplugged. don't worry about that


hmm.. just read in a topic that the green was for telling the ECU when the fan needed starting !!!

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What we do in life, echoes in eternity
Posted 20th Aug 2010 at 23:30
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dan_s16

Seasoned Pro

Location: Cheltenham

Registered: 22 Jan 2005

Posts: 1,583

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Post #4
Different green plug, sounds like your bitron unit is dead then, its mounted to the passenger side chassis leg on the under side, it's easier to get to with the bumper off, also check the plug that connects it as if waters got into it that can cause problems.

Edit: is yours a single fan (i.e.no ac?) it could also be the low speed resistor which is a silver canister mounted to the fan housing somewhere (also check the wiring).

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Posted 20th Aug 2010 at 23:59
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morten-

Newbie

Location: Haslev

Registered: 20 Aug 2010

Posts: 14

Status: Offline
Post #5
dan_s16 wrote:
Different green plug, sounds like your bitron unit is dead then, its mounted to the passenger side chassis leg on the under side, it's easier to get to with the bumper off, also check the plug that connects it as if waters got into it that can cause problems.

Edit: is yours a single fan (i.e.no ac?) it could also be the low speed resistor which is a silver canister mounted to the fan housing somewhere (also check the wiring).


Yes, mine is a single fan. So no AC.

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What we do in life, echoes in eternity
Posted 21st Aug 2010 at 00:04
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,838

Status: Offline
Post #6
no a/c = thermoswitch in the top l/h corner of the Radiator, no bitron unit.

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Posted 21st Aug 2010 at 01:13
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morten-

Newbie

Location: Haslev

Registered: 20 Aug 2010

Posts: 14

Status: Offline
Post #7
welshpug! wrote:
no a/c = thermoswitch in the top l/h corner of the Radiator, no bitron unit.


Theres no thermoswitch there. If you look at this picture http://img192.imageshack.us/f/bil094.jpg/ , you can just see where the thermostat would be. But the hole have been blinded with a nut

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What we do in life, echoes in eternity
Posted 21st Aug 2010 at 03:20
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,838

Status: Offline
Post #8
that may be the problem then if the car is originally a non a/c car.

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need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 21st Aug 2010 at 03:22
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morten-

Newbie

Location: Haslev

Registered: 20 Aug 2010

Posts: 14

Status: Offline
Post #9
hmm... if i place a thermostat in the radiator then, where do i connect it to? Must be connected with a coloured plug ?

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What we do in life, echoes in eternity
Posted 21st Aug 2010 at 03:30
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,838

Status: Offline
Post #10
its usually a 3 pin blue plug Smile

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 21st Aug 2010 at 03:52
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morten-

Newbie

Location: Haslev

Registered: 20 Aug 2010

Posts: 14

Status: Offline
Post #11
Can you show me on one of my pictures? Link to album is in #1 post

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What we do in life, echoes in eternity
Posted 21st Aug 2010 at 04:21
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dan_s16

Seasoned Pro

Location: Cheltenham

Registered: 22 Jan 2005

Posts: 1,583

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Post #12
welshpug! wrote:
no a/c = thermoswitch in the top l/h corner of the Radiator, no bitron unit.


Not always true, mine was originally a non ac car when it left the factory but it had a bitron unit.

________________________________________

When I've got time I forget what I wanted to do, and when I remember what I wanted to do, I have no time!
Posted 21st Aug 2010 at 04:45
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morten-

Newbie

Location: Haslev

Registered: 20 Aug 2010

Posts: 14

Status: Offline
Post #13
Fixed the problem now. Was a bad wire that caused the problem.

It was filled with corrosion and snapped.

Thanks for all the info guys. Very appreciated

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What we do in life, echoes in eternity
Posted 23rd Aug 2010 at 22:21
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