Advice on 306 fan mechanical failure please
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  1. #1
    Too many posts! JohnW's Avatar
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    Default Advice on 306 fan mechanical failure please

    Just a quick one.

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    For the first time, our 306 has come to a halt, due to noise! Our daughter rang to say it had started a loud groaning/grinding at the front. It sounded like something dire in the brake or CV department from the description. However, what it really is, on inspection, has been one of the fans coming adrift from its shaft.

    Can't find the workshop manual - it is in the car under daughter's debris somewhere! This car is a driving storage shed at present... Therefore the bumper is still attached as I'm not sure how to get it off yet.

    The question: can anyone suggest whether the fan to shaft failure might be repairable or whether I'd better get a whole unit? I'm not at all sure how they are attached to each other.

    Cheers
    JohnW

    Renault 4CV 1951
    Renault R8 1965
    Renault Scenic 2005 (wife's)
    Renault Scenic 2007 (mine)
    Renault Scenic 2006 (daughter's)
    CitroŽn CX Pallas 1980

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  2. #2
    sans witticism SLC206's Avatar
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    From memory, early units where a simple left hand threaded screw securing the fan to the shaft, but I think later versions were different.

    Here is a thread (an old one) with a picture: fans for sale
    Regards,

    Simon

    2018 308 GTi 2011 DS3 DSport
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  3. #3
    Too many posts! JohnW's Avatar
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    Many thanks for that.

    Cheers
    JohnW

    Renault 4CV 1951
    Renault R8 1965
    Renault Scenic 2005 (wife's)
    Renault Scenic 2007 (mine)
    Renault Scenic 2006 (daughter's)
    CitroŽn CX Pallas 1980

    National Co-ordinator, Renault 4CV Register of Australia

  4. #4
    Fellow Frogger! gromzx's Avatar
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    If i remember right from mine, there is a flat face on the shaft to locate the fan hub and a single taper head screw to stop it from sliding off the shaft.

  5. #5
    Too many posts! JohnW's Avatar
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    Quote Originally Posted by gromzx View Post
    If i remember right from mine, there is a flat face on the shaft to locate the fan hub and a single taper head screw to stop it from sliding off the shaft.
    Many thanks.
    JohnW

    Renault 4CV 1951
    Renault R8 1965
    Renault Scenic 2005 (wife's)
    Renault Scenic 2007 (mine)
    Renault Scenic 2006 (daughter's)
    CitroŽn CX Pallas 1980

    National Co-ordinator, Renault 4CV Register of Australia

  6. #6
    Fellow Frogger! dhaw's Avatar
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    Have a look at my experience. A frogger sold me a second hand fan. There are some pictures.
    306 A/c fan

  7. #7
    Fellow Frogger! Wintermute's Avatar
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    Advice on 306 fan mechanical failure please-11063756_494921300687126_5194761886445188730_n.jpgAdvice on 306 fan mechanical failure please-12072550_494921270687129_4998895456188952799_n.jpgAdvice on 306 fan mechanical failure please-12088152_494921224020467_6156660178494185290_n.jpgI thought I'd written my fan replacement up here, but apparently not (only on facebook, and then rather terse).

    Take a look at the pictures above it shows the two types of fans (I've got one of each). The one with the wavy blades is the original with the reverse thread screw holding it on. The second one is the newer type which has a clip that holds it on.

    Text from my facebook post below:

    I decided that today was the day to replace the fan motor of the left hand fan in my S16. I knew I was going to have to take the bumper off to do it. What I wasn't expecting was to have to take off the slam panel as well..... They didn't use captive nuts so you need to tilt the whole fan cowling forward to be able to get a 10mm socket onto the nut on the reverse side of the motor. All went back together OK. Good timing, the warm weather has just started!!

    The left motor was the original 20YO one I suspect the brushes are gone. The issue is that in low speed mode the two fans operate in series, so if one is dead the other one doesn't go either. Hopefully this is the last of the cooling system work.....
    Getting the bumper off is actually fairly easy the biggest pain is the windscreen washer reservoir from memory. There is a writeup of the procedure I think on the UK GTi6 forum. edit: this is the guide I used http://www.306gti6.com/forum/showthread.php?id=26357 you have to register to be able to view the pictures...

    It is possible that it's not that the fan has come away from the motor but that the bearings in the motor are shot and the fan is hitting on the cowling. That's what happened to my first fan.

    Tony.
    Last edited by Wintermute; 17th October 2016 at 07:32 PM.
    306 S16 1995 black
    Morris 1100 1965 green

  8. #8
    1000+ Posts The Gonz's Avatar
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    Enough posts here to start a 306 fanpage.

  9. #9
    Too many posts! JohnW's Avatar
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    Quote Originally Posted by Wintermute View Post
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ID:	90180I thought I'd written my fan replacement up here, but apparently not (only on facebook, and then rather terse). Take a look at the pictures above it shows the two types of fans (I've got one of each). The one with the wavy blades is the original with the reverse thread screw holding it on. The second one is the newer type which has a clip that holds it on. It is possible that it's not that the fan has come away from the motor but that the bearings in the motor are shot and the fan is hitting on the cowling. That's what happened to my first fan. Tony.
    One fan has fallen off and the same motor has shot bearings, that's the outcome.

    We've decided on balance to replace with new.

    Thanks for the various inputs - much appreciated.

    Cheers
    JohnW

    Renault 4CV 1951
    Renault R8 1965
    Renault Scenic 2005 (wife's)
    Renault Scenic 2007 (mine)
    Renault Scenic 2006 (daughter's)
    CitroŽn CX Pallas 1980

    National Co-ordinator, Renault 4CV Register of Australia

  10. #10
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    Quote Originally Posted by The Gonz View Post
    Enough posts here to start a 306 fanpage.
    Who pressed the pun button ???

  11. #11
    Too many posts! JohnW's Avatar
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    Quote Originally Posted by Armidillo View Post
    Who pressed the pun button ???
    That's terrible....
    JohnW

    Renault 4CV 1951
    Renault R8 1965
    Renault Scenic 2005 (wife's)
    Renault Scenic 2007 (mine)
    Renault Scenic 2006 (daughter's)
    CitroŽn CX Pallas 1980

    National Co-ordinator, Renault 4CV Register of Australia

  12. #12
    Too many posts! JohnW's Avatar
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    Quote Originally Posted by Armidillo View Post
    Who pressed the pun button ???
    That's terrible....
    JohnW

    Renault 4CV 1951
    Renault R8 1965
    Renault Scenic 2005 (wife's)
    Renault Scenic 2007 (mine)
    Renault Scenic 2006 (daughter's)
    CitroŽn CX Pallas 1980

    National Co-ordinator, Renault 4CV Register of Australia

  13. #13
    Fellow Frogger!
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    Quote Originally Posted by JohnW View Post
    One fan has fallen off and the same motor has shot bearings, that's the outcome.

    We've decided on balance to replace with new.

    Thanks for the various inputs - much appreciated.

    Cheers
    having done both of mine in 18months, in 2 separate episodes, can I suggest you do them both while there?

    with a bit of luck you'll find them on the overseas web for a fraction of the price here

    I found I could get the rear bolts by unclipping the top of the radiator and rocking back slightly, just enough room for fitting a socket and holding with multigrips

    good luck, patience is a virtue and some here can get the bumper off in 12mins - not this black duck

  14. #14
    Too many posts! JohnW's Avatar
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    Thanks for that. Yes, expect cheaper OS. It's a really bad week all around, so this is "paid maintenance" as the car is needed I haven't time to fiddle right now. Appreciate the advice. Bumper etc all off at present.

    Cheers in haste.
    JohnW

    Renault 4CV 1951
    Renault R8 1965
    Renault Scenic 2005 (wife's)
    Renault Scenic 2007 (mine)
    Renault Scenic 2006 (daughter's)
    CitroŽn CX Pallas 1980

    National Co-ordinator, Renault 4CV Register of Australia

  15. #15
    Fellow Frogger!
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    given you get 2 new fans this is good value when you compare to buying 2 separate fans

    =>>> PEUGEOT 306 7/97-12/01 RADIATOR FAN DUAL FAN | eBay


    even better =>>> http://www.ebay.com.au/itm/PEUGEOT-3...8AAOSw6n5XvE-N

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