Heat Exchanger 101 | FerrariChat
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Heat Exchanger 101

Discussion in 'Technical Q&A' started by Ron8892, Jul 7, 2019.

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  1. Ron8892

    Ron8892 Rookie

    Sep 24, 2018
    17
    Michigan
    Full Name:
    Ron Hernesko
    #1 Ron8892, Jul 7, 2019
    Hey everyone, love all the info you guys post. I have a 2000 Modena which I’ve owned for about a year and the heat exchanger just went. Worked the last day getting the car all apart and finally got to the heat exchanger.

    I can’t for the life of me figure out how to get those banjo bolts loose to free the exchanger. I have no leverage which is making this impossible.

    What did you guys do here? I’m thinking of running to the store and buying a strap to secure it to the frame. I know someone people approach it from disconnecting the lines at the transmission and then securing the exchanger to a bench when it’s removed from the car. Any guidance would be greatly appreciated. Thank you!
     
  2. 2NA

    2NA F1 World Champ
    Consultant Owner Professional Ferrari Technician

    Dec 29, 2006
    18,221
    Twin Cities
    Full Name:
    Tim Keseluk
    #2 2NA, Jul 7, 2019
    kes7u likes this.
  3. Motob

    Motob Formula 3
    Professional Ferrari Technician

    Nov 11, 2003
    2,370
    Frederick, Maryland
    Full Name:
    Brian Brown
    #3 Motob, Jul 7, 2019
    Those bolts are very tight. It is much easier to disconnect them at the gearbox, and remove the exchanger with the hoses connected. Then remove the hoses on the bench. Just make sure that you clock the hoses correctly on the new exchanger. The seal rings at those hose connections are special, and have rubber seals on the inside of the aluminum crush rings.
     
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  4. RedNeck

    RedNeck F1 World Champ
    Silver Subscribed

    Jul 8, 2016
    12,348
    The CSA
    Full Name:
    Me
    #4 RedNeck, Jul 10, 2019
    I removed my intake manifold and did the intake runner gaskets while I was in there...disconnected the bolts at the transmission and took it out as a full assembly. I believe the torque specs are off in the manual, I snapped one of the banjo bolts and had to get it outwith an Easy out...talk about a freak out.
     

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