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Author Subject: Yes yes, another cooling fan topic
peetypug

Seasoned Pro

Location: Spooning marksorrento205

Registered: 20 Feb 2011

Posts: 1,869

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Post #1
I've tried using the search but keep getting nothing. Not one topic for cooling. (Unless I'm using the search wrong)
Anyway.
It's a T plate rallye, single fan setup.
The fan doesn't kick in when it gets hot. It had the same issue when I bought it, but swapped the whole unit.
I don't have the time to take it all apart again right now.
So what are the first things to check?
I've swapped the relay for a know good one, I've tried bridging the relay connector, but it still doesn't kick in.
All fuses are fine, will a twin fan set up go in and work? (I have 2 that I know are ok)
How easy is it to just change the fan itself?
Cheers for any help

________________________________________

Cherry rallye - DOB Thursday 29/04/1999
Team Rallye - the leaner, meaner, better looking sister of the GTI6 Big grin
roland rat wrote:
You sir either live for the 6 or have a mental retardation to still be repairing this!

The best engine in the world is the vagina, it takes any size piston, its self lubricating, starts with 1 finger, and every 4 weeks does its own oil change. It's just a pity the management system is so fecking temperamental. 
Posted 7th Aug 2014 at 14:05
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dangti6

aka JKshooter

Location: Taunton, Somerset

Registered: 15 Jun 2006

Posts: 10,305

Status: Offline
Post #2
Fan itself is easy to change - few bolts holding it to the frame.

If you can get your hands in, perhaps get undernearth and remove the wiring plug and stick 2 wires from a battery to it and see if it spins up. If it doesn't remove it and replace with a known working one. You could also check the pins of the plug to see if the fan is getting power.

If it does work with 12v applied , your fault is obviously elsewhere so then you can check the wiring loom etc.

________________________________________

  • Senior Test Automation Engineer for the 306GTi6 Owners Club Forum Wizard

    • Posted 7th Aug 2014 at 14:14
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    Tarmac terror

    Regular

    Location: Southampton

    Registered: 20 Mar 2014

    Posts: 458

    Status: Offline
    Post #3
    When it comes to elec fans it'll either be...

    1. Knackered fan motor
    2. Faulty water temp switch
    3. Knackered fan relay
    4. No power to fan circuit (fuse or wiring)


    Testing each one is pretty simple....
    Bridge the temp switch which should fool the system into believing an overtemp situation exists. If fan runs then the switch is at fault.
    For fan, pull the connector off it, bridge temp switch as above and measure voltage at connector. If 12V then fan motor knackered. If no volt then fuse or relay (or other wiring issue) to blame.


    TT
    Posted 7th Aug 2014 at 21:37
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    peetypug

    Seasoned Pro

    Location: Spooning marksorrento205

    Registered: 20 Feb 2011

    Posts: 1,869

    Status: Offline
    Post #4
    Where's the water temp switch?
    I get just under 14volts at the relay. So in guessing it's just the fan.

    ________________________________________

    Cherry rallye - DOB Thursday 29/04/1999
    Team Rallye - the leaner, meaner, better looking sister of the GTI6 Big grin
    roland rat wrote:
    You sir either live for the 6 or have a mental retardation to still be repairing this!

    The best engine in the world is the vagina, it takes any size piston, its self lubricating, starts with 1 finger, and every 4 weeks does its own oil change. It's just a pity the management system is so fecking temperamental. 
    Posted 8th Aug 2014 at 22:38
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    stan_306gti6 Forum Admin

    Location: Kent

    Registered: 18 Jan 2004

    Posts: 21,768

    Status: Offline
    Post #5
    Water temp switch is in the top of the rad, passenger side on yours, blue in colour.

    ________________________________________

    "Supercharged - 454.1bhp/317.5lb/ft"
    Peugeot 306 GTi-6
    2000 (X), Moonstone Love
    Posted 9th Aug 2014 at 07:46
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    peetypug

    Seasoned Pro

    Location: Spooning marksorrento205

    Registered: 20 Feb 2011

    Posts: 1,869

    Status: Offline
    Post #6
    Cheers stan!
    How's the beast?

    ________________________________________

    Cherry rallye - DOB Thursday 29/04/1999
    Team Rallye - the leaner, meaner, better looking sister of the GTI6 Big grin
    roland rat wrote:
    You sir either live for the 6 or have a mental retardation to still be repairing this!

    The best engine in the world is the vagina, it takes any size piston, its self lubricating, starts with 1 finger, and every 4 weeks does its own oil change. It's just a pity the management system is so fecking temperamental. 
    Posted 11th Aug 2014 at 22:15
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    stan_306gti6 Forum Admin

    Location: Kent

    Registered: 18 Jan 2004

    Posts: 21,768

    Status: Offline
    Post #7
    peetypug wrote:
    Cheers stan!
    How's the beast?


    No problem. Thumbs up

    Yes, she's fine. Still tucked up in the garage for the last 11 months. Smile

    ________________________________________

    "Supercharged - 454.1bhp/317.5lb/ft"
    Peugeot 306 GTi-6
    2000 (X), Moonstone Love
    Posted 11th Aug 2014 at 23:44
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