LH Fan Problem | FerrariChat

LH Fan Problem

Discussion in '348/355' started by roverelf, Apr 19, 2008.

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  1. roverelf

    roverelf Rookie

    Aug 26, 2005
    46
    Pittsburgh, PA
    Full Name:
    John Ellefson
    Hi All:

    I was sitting in my 1995 F355 at the drive thru bank today, and started to hear all this "noise" from behind me. I opened up the hood, and saw that the fan was not turning, but it sounded as if were trying to. Anyway, drove home, shut the car off, and left the ignition on to confirm that the fan was not coming on - it wasn't (but the RH fan was). It sounded like it was trying to run, but wouldn't. I can move the fan blades with my hand, but the motor is not engaging the blade.

    So, I'm thinking the fan motor is bad. Has anybody experienced the same problem? If so, was the fix as simple as replacing the fan? If yes to the previous, where is the best place to get a replacement?

    Thanks,
    John
     
  2. cavlino

    cavlino Formula 3

    Mar 6, 2002
    1,740
    Ottawa, Canada
    Full Name:
    Carm Scaffidi
    The fan blade eventually gets brittle and disconnects from the shaft of the fan motor. If you take it off you can try and get it re-attached at a place that repairs electric motors. If you need to replace it the cost is a bit steep, around $500 but the supplier of choice is http://www.ricambiamerica.com/index.php. Good luck and please keep us posted with your results.
     
  3. roverelf

    roverelf Rookie

    Aug 26, 2005
    46
    Pittsburgh, PA
    Full Name:
    John Ellefson
    Thanks Cavlino. I took the fan off today, and sure enough the fan blade is separated from the shaft. I'll call Daniel at Ricambi tomorrow to discuss options.

    Regards,
    John
     
  4. f355spider

    f355spider F1 World Champ
    Owner Rossa Subscribed

    May 29, 2001
    18,045
    USA
    I would definitely try a local electric motor shop in your city (check the yellow pages). They could also replace the brushes in the motor itself, extending it's service life some.
     
  5. gothspeed

    gothspeed F1 World Champ

    May 26, 2006
    10,244
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    goth
    The fan is held on the motor shaft with a wimpy small washer and an 'E' clip. The fan is rotated by a pin that goes through the motor shaft and engages the fan. This pin shears, which causes the non-rotating fan then the friction melts the plastic....... :(.

    There are a few options........

    If you try to fix it.... make sure the fan is centered and balanced. If not, it will have a vibration.

    Buy a new fan assembly with the same design but should last as long as your failed one has.

    Buy a used fan with the same design with an even shorter life.

    Though both above 'replacements' can be reinforced with a good epoxy, by removing the fan and bonding it back on. Then reinstall the washer and 'E' clip.

    or

    Buy an aftermarket electric fan. Just make sure it has a very similar CFM air flow value.
     
  6. No Doubt

    No Doubt Seven Time F1 World Champ

    May 21, 2005
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    Mr. Sideways
  7. gothspeed

    gothspeed F1 World Champ

    May 26, 2006
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    goth
  8. No Doubt

    No Doubt Seven Time F1 World Champ

    May 21, 2005
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    Mr. Sideways
    For $85 per fan every decade or so, I'm not sure that I'd lose much sleep over that question!
     
  9. gothspeed

    gothspeed F1 World Champ

    May 26, 2006
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    goth
    Its not the cost of the fan.... its the cost of it failing .............. what about taking a road trip .......... travelling across the desert????
     
  10. No Doubt

    No Doubt Seven Time F1 World Champ

    May 21, 2005
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    Mr. Sideways
    You mean it's OK to actually *drive* these cars?!
     
  11. gothspeed

    gothspeed F1 World Champ

    May 26, 2006
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    goth
    .. yes, and preferably further than starbucks .............. ;)
     
  12. No Doubt

    No Doubt Seven Time F1 World Champ

    May 21, 2005
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    Mr. Sideways


    D'oh!






    (would it help if Starbucks was two states away??)
     
  13. f355spider

    f355spider F1 World Champ
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    May 29, 2001
    18,045
    USA
    The 355, which is what the original poster has, should have (not certain since he has a 2.7 variant) the curved blade fans. Which is depicted there as being $125...but more importantly, one would need to match up the proper CFM, dimensions/depth, mounting holes, and ensure the correct current draw for the circuit (30amp peak, max).

    This "might" be the correct one:
    http://www.spalusa.com/fans/automated/tech_sheets/2048-2049.pdf

    (I can use google too ND ;) )
     
  14. gothspeed

    gothspeed F1 World Champ

    May 26, 2006
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    I definately would not use the 'new' 3000CFM version they have that draws 60amps on start up and 30amps continuous....... :eek:............... our current fan circuit runs a 30amp fuse.......... :eek:

    This one 'looks' to be the closest one IMO:

    16 inch High Powered Fan
    Curved Blade
    2070 cfm
    High Powered fans are 3.39 inches thick.

    from NDs link:

    http://www.srbymichael.com/manufacturers/spal/fans.shtml
     
  15. f355spider

    f355spider F1 World Champ
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    May 29, 2001
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    Which in the "puller" version is the one I posted the more detailed and useful specs on, in the pdf file above.
     
  16. gothspeed

    gothspeed F1 World Champ

    May 26, 2006
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    That looks good :) ...... I overlooked the amp draw in the PDF ............... it is 19amps :)!!............. I wonder if that is startup draw or 'continous'??
     
  17. f355spider

    f355spider F1 World Champ
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    Has to be continous. I bet the peak draw is very close to the 30amp fuse max when new. That would explain how as the motors age, they start blowing fuses all the time on start up.
     
  18. gothspeed

    gothspeed F1 World Champ

    May 26, 2006
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    That sounds correct to me ...... ;). Which makes it important to use Stabilant or other anti-corrosive on all connections to minimze 'amp drawing' resistance thus getting needed current where it needs it ..... to the fan :).
     
  19. roverelf

    roverelf Rookie

    Aug 26, 2005
    46
    Pittsburgh, PA
    Full Name:
    John Ellefson
    No Doubt, I owe you a cold beer. I ordered my fan yesterday from Street Rods by Michael, $125 including delivery. The part number on the old fan is VA18-AP6-42A. I gave this info to Rose (who was great!) at SRbM, and she called Spal directly to make sure the fan they had in stock was a direct replacement. It is. I expect it to deliver on Thursday or Friday. Once I get it, I will post pics/info. Thanks to all for the comments/info.

    John
     
  20. No Doubt

    No Doubt Seven Time F1 World Champ

    May 21, 2005
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    Mr. Sideways
    I'll take you up on that beer, but just wait until you go to replace your two $885 fuel pressure regulators...that are just $58 parts from RockAuto.com. Same deal.
     
  21. gothspeed

    gothspeed F1 World Champ

    May 26, 2006
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    Once again........ Great info ND :D :D!!!!
     
  22. f355spider

    f355spider F1 World Champ
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    May 29, 2001
    18,045
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    Great news John. Could you also post the Spal part number of the new fan you receive? It would be helpful to see if it is the same as the one in the pdf I posted (VA18-AP13-59 puller). If so, then we know we have a valid cross reference to assist others in the future. :)
     
  23. Ricambi America

    Ricambi America F1 World Champ
    Sponsor Owner

    I'll save you the trouble. It is 30102049

    It is SPAL VA18-AP71/LL-59A
     
  24. No Doubt

    No Doubt Seven Time F1 World Champ

    May 21, 2005
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    Mr. Sideways
    It would be sweet to see Ricambi selling fans in the Spal box with no Ferrari warranty side-by-side with Spal fans in the yellow Ferrari box with Ferrari warranty (parts and ancillary components). Customer choice sort of thing.


    I'd far rather buy from you.
     
  25. gothspeed

    gothspeed F1 World Champ

    May 26, 2006
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    goth
    +1 :).............. though doesn't Spal have some kind of warranty :confused:?
     

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