355F1 Solenoid | FerrariChat

355F1 Solenoid

Discussion in '348/355' started by Steve355F1, May 16, 2018.

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  1. Steve355F1

    Steve355F1 F1 World Champ
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    Hi All

    Re my well documented issues (on other threads) with an intermittent failure to select gears on my car, we have managed to work out that a solenoid has failed on the F1 pump.
    (EV1 on the attached pic)

    Rather than replacing the pump, we are looking to just replace the solenoid.
    Does anyone know where I could get one, or does anyone have one lying around they’d be willing to sell to me?

    Thanks for any help.


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  2. Steve355F1

    Steve355F1 F1 World Champ
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  3. Qavion

    Qavion F1 World Champ
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    Are the diagnostics saying the valve electrical circuit is open? Is it possible to dismantle these things? Any manufacturer's names? Magneti Marelli? Hydraulik-Ring? Would you have a clearer shot of the numbers on it?

    Is it a plunger type... or rotary valve?
     
  4. Steve355F1

    Steve355F1 F1 World Champ
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    Not sure about any of those questions sorry Ian.
    I’ve got this running in the Oz section at the moment too with what the dealer seems to have found re part no.
    It’s in the spotters thread.

    Cheers!
     
  5. SeattleM5

    SeattleM5 Formula 3
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    Qavion and WATSON like this.
  6. Steve355F1

    Steve355F1 F1 World Champ
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  7. Dave rocks

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  8. SeattleM5

    SeattleM5 Formula 3
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    I was pretty surprised when I came across that website a few months back. Seems they have solenoids and accumulator bulbs but they don't have the correct 355 F1 pump motor. They do advertise a pump motor which looks similar to ours but the shaft and electrical connector would need modification.

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  9. Dave rocks

    Dave rocks F1 World Champ
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    Right - that is the 430 motor and I bought one a while back from a different source.
     
  10. SeattleM5

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    Understood, thanks for the clarification Dave.

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  11. Drock28

    Drock28 Formula 3

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    very interesting site.. too bad they don't have any actuator options..
     
  12. Dave rocks

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    I've been emailing with them:

    "One addition to my previous mail: I am not 100% sure if our solenoids are the same as in the 355. The Ferrari 355 has a completely different F1 system than used in all other Ferrari models.

    Before buying, please provide me photos or the printed model numbers of your solenoid valves."


    So, not yet sure if these will work on a 355.
     
  13. Dave rocks

    Dave rocks F1 World Champ
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    Looking at the photos Steve posted and what's on there website, at a minimum, the spools look different as does the orientation of the electrical connector..
     
  14. SeattleM5

    SeattleM5 Formula 3
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    Uh oh, sorry for sending you on a wild goose chase Dave.

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  15. Dave rocks

    Dave rocks F1 World Champ
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    Ettore - this is all good and a good find :) We just need to investigate a bit more ;)
     
  16. Steve355F1

    Steve355F1 F1 World Champ
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    Yes unfortunately I’ve now heard back and they are not correct for the 355F1.

    The hunt continues. Thanks anyway!
     
  17. Drock28

    Drock28 Formula 3

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    well F355 is listed in the compatibility list for the part.. so it should not be there then..
     
  18. Steve355F1

    Steve355F1 F1 World Champ
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    Correct.
    Seems to be a common problem with parts websites and It is frustrating how often this happens.
     
  19. Dave rocks

    Dave rocks F1 World Champ
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    It may be frustrating but you need to understand that these individual components are typically not sold separately so we have some folks trying to offer solutions and in doing so it takes time to learn what parts will work with various systems.
     
  20. WATSON

    WATSON Two Time F1 World Champ
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    There was a thread on this site about a year or so ago about a guy (in Seattle?) that was going through this.

    He had one solenoid where the shaft actually snapped.

    I can't find it right now, but I know he went down this path already and the details are here somewhere.
     
  21. taz355

    taz355 F1 Veteran
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  22. taz355

    taz355 F1 Veteran
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    Also the end of that shaft would need too be turned down
     
  23. Steve355F1

    Steve355F1 F1 World Champ
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    The email I got back from them was clear - it won’t work on the 355.

    I didn’t ask why.
     
  24. Qavion

    Qavion F1 World Champ
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    Thinking aloud... It seems to be just an electromagnetically operated spring-loaded plunger. Is there some kind of threaded collar keeping the components in place?

    So...
    Coil burnt out? Probably not fixable.
    Spring broken?
    Electrical plug pins need re-soldering?

    Numbers on the old valve (transferred from the Australian Spotters Forum):

     
  25. Dave rocks

    Dave rocks F1 World Champ
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    The failure is most certainly the coil / electrical. I would think that could be fixed / retrofitted..
     

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