Dino 308 GT4 starter intermittent | FerrariChat

Dino 308 GT4 starter intermittent

Discussion in 'Technical Q&A' started by Nino1964, Jun 15, 2024.

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  1. Nino1964

    Nino1964 Formula Junior

    Aug 14, 2015
    302
    North Georgia
    It’s hot and my starter would not engage. Car cooled and all is normal and car starts. I checked connections and they are tight. I’m thinking starter solenoid maybe failing. Any thoughts?
     
  2. Mike Florio

    Mike Florio Formula Junior

    Jun 19, 2003
    599
    NW Rural Nevada
    Full Name:
    Mike Florio
    Try cleaning your battery posts. Check voltage at starter (big wire). That's where I'd start.
     
  3. Jamesal925

    Jamesal925 Rookie

    Aug 3, 2022
    11
    Are you running a factory starter? They are known to have “heat-soak” issues and you will see exactly the situation you’ve described. Hot start failures. There are high torque starters with upgraded casings for better heat management available. Just my two cents could be some other problem entirely but worth looking into.
     
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  4. Nino1964

    Nino1964 Formula Junior

    Aug 14, 2015
    302
    North Georgia
    Thanks for the input. Voltage drop is minimal. So I’m removing starter. Having trouble getting starter out from underneath. I’m thinking dipstick needs to be removed? Any insight or tips for removal?
     
  5. Nino1964

    Nino1964 Formula Junior

    Aug 14, 2015
    302
    North Georgia
  6. Jamesal925

    Jamesal925 Rookie

    Aug 3, 2022
    11
    Sorry for my delayed reply, I can’t remember off the top of my head but here are some possible alleys of approach…

    1. Remove exhaust manifold for complete access to the starter

    2. Loosen motor mounts and jack up the engine to gain more space for tools and hands.

    These are just quick ideas. If you still cannot remove it after some trial and error take a good video showing your hang ups and I can try to point you in a better direction.

    Good luck!!!!
     
  7. Zanny1

    Zanny1 Formula 3
    Silver Subscribed

    Dec 19, 2003
    1,116
    Arizona
    Full Name:
    Mike
    Get a high torque starter and forget rebuilding the original.
     
    Nino1964 likes this.
  8. Nino1964

    Nino1964 Formula Junior

    Aug 14, 2015
    302
    North Georgia
    Starter is easily removed once you remove the left hand side motor mount! Heres the process that I used to remove the starter from a 1978 Dino GT4.

    1. Disconnect battery.
    2. Remove wheel well covers
    3. Loosen all four motor mounts. Remove front left motor mount from its bracket. Then support motor with appropriate jack.
    4. Raise motor enough to slide left front motor mount underneath its bracket.
    5. Remove left front motor mount bracket.
    6. Remove alternator (not necessary if you can access starter nuts to remove the wires from the starter).
    7. Remove the wires from the starter. There are three. Two are held in place with 13mm wrench size hex nuts and one is slide off wire connector. I used a long extension from the opposite side of the engine (alternator side) to access the nut with a 13mm rachet.
    8. Remove the three bolts holding the heat shroud. Slide the shroud out of the way.
    9. Loosen the there 13mm hex bolts that secure the starter.
    10. Starter should be easy removed through the gap created by the removal of the left hand front motor mount.
     
  9. Dockboy

    Dockboy Formula Junior
    Silver Subscribed

    May 11, 2013
    554
    Maryland
    Nino,

    I had a similar symptom at one time. Ended up being a corroded/poor connection between the solenoid and the starter motor. Cleaned and reconnected and it has been fine ever since. I was all prepared to buy a new starter but it was not needed!
     
  10. ApexRoadster

    ApexRoadster Rookie

    Jun 21, 2024
    8
    It sounds like your starter issue could be due to the starter solenoid acting up, especially since heat can mess with it. When the engine is hot, heat soak might cause the solenoid to fail temporarily, which is common in older starters. The internal contacts in the solenoid can wear out over time, leading to these intermittent problems. The starter motor itself might also be affected by heat, with internal parts expanding and causing failures. Even if your connections are tight, double-check that the battery is in good shape and the cables aren't corroded, as heat can make electrical issues worse. Replacing the starter solenoid could be a good first step, and if the problem keeps happening, you might need to get the starter motor checked. Hope that helps.
     
  11. Nino1964

    Nino1964 Formula Junior

    Aug 14, 2015
    302
    North Georgia
    Thanks for the input. The service records show that the starter was rebuilt with in the 5 years. I’ve decided to upgrade to a high torque starter.
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