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Changing Gear Oil

Discussion in 'Mondial' started by familyTruck'uh'Sportster, Jun 9, 2012.

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  1. familyTruck'uh'Sportster

    familyTruck'uh'Sportster Karting

    Mar 21, 2012
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    Corona, CA
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    Sheldon
    #1 familyTruck'uh'Sportster, Jun 9, 2012
    Last edited by a moderator: Sep 7, 2017
    I'm Changing Gear oil '88 3.2 Cab; have 2 questions. 1) What size is the allen bolt used to fill the gear oil? (its the one on the clutch cover). Ive tried 10mm too small I'm guessing 12mm 2) I believe I am in the right place, left side of engine removed the rear wheel well cover on left side; the bolt etc. is not the same as in Birdmans write-up. I'd rather ask and sound dumb than be wrong and be "really" dumb pics below (wouldn't accept my cell phone pics, had to convert to pdf). Thanks for the Help, Sheldon
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  2. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
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    #2 Steve Magnusson, Jun 9, 2012
    Yes, probably 12mm. The various 22mm thread "plugs" vary ;) -- some have male hex drive features and some have female hex drive features (also of different sizes).
     
  3. familyTruck'uh'Sportster

    familyTruck'uh'Sportster Karting

    Mar 21, 2012
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    Sheldon
    #3 familyTruck'uh'Sportster, Jun 9, 2012
    Thanks. It's reasuring I'm not messing up. I've read people have drained / filled ? the wrong oils with tragic results. I guess I'll have to get hex sizes from 11mm - 17mm I don't have. And as the pics indicate, plenty of degreaser, elbow grease, etc. It's amazing how the top of the engine can be so spotless and the bottom so grimy....well I guess I be getting to know my car a bit better over a couple beers and some degreaser. Cheers
     
  4. PT 328

    PT 328 F1 Rookie
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    May 1, 2005
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    #4 PT 328, Jun 9, 2012
    It is funny how gravity works. ;). Get ready for the fragrant smell of gear oil. It is an acquired smell for sure. You will definitely get to know your car better after some deep cleaning.
     
  5. soucorp

    soucorp F1 Rookie

    Sep 20, 2011
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    #5 soucorp, Jun 10, 2012
    Hi, any chance you can post some pics of this gear oil change. What type of oil, bolt size, how do you top it up? Thanks, I want to do this on my car as well.
     
  6. familyTruck'uh'Sportster

    familyTruck'uh'Sportster Karting

    Mar 21, 2012
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    Corona, CA
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    Sheldon
    #6 familyTruck'uh'Sportster, Jun 10, 2012
    Good Idea about pics documentation etcc, I actually thought about it while I was cleaning the "undercarriage" enjoying my morning of degreaser and coffey...I got totaly side tracked today because I decieded that before I when out to find a 12 mm hex head I would take shocks off and send them off 1st thing tomarrow to get rebuilt tuned etc. (I'll take pics of shocks too when I get it figured out I'm a bit lost right now.) It looked simple enough but a couple hours on the job the family wanted some time and after a nice family bike ride and a couple more hours in on rear shock removal I am on the hunt for instructions for shock removal / replace It looks like I may have to completely disassemble the suspension, and all the associated hardware.
     
  7. familyTruck'uh'Sportster

    familyTruck'uh'Sportster Karting

    Mar 21, 2012
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    Corona, CA
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    Sheldon
    #7 familyTruck'uh'Sportster, Jun 11, 2012
    Last edited by a moderator: Sep 7, 2017
    I have the Left shock stuck in The Lower A arm. Right (most rear Bolt inserted into the a A arm bushing such that it can't come out and is aginst the frame. Anyone run into this issue I assume you cut the bolt off what did you use. Any suggestion Thoughts much appreciated.
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  8. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
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    #8 Steve Magnusson, Jun 11, 2012
    Last edited by a moderator: Sep 7, 2017
    No! Unbolt the mounting fork (the "gold" part in this photo) from the frame -- undo the big nut on the other side of the the frame and remove the fork + A-arm as a unit (and note the amount of shims to reinstall between the mounting fork and the frame).
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  9. familyTruck'uh'Sportster

    familyTruck'uh'Sportster Karting

    Mar 21, 2012
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    #9 familyTruck'uh'Sportster, Jun 12, 2012
    I just crawled under and now see the mounting fork, Thanks I sure thought it was welded, glad I didn't do anything rash in my frustration (like it was jeep). LOL.
     
  10. godabitibi

    godabitibi F1 Veteran

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    Claude Laforest
    #10 godabitibi, Jun 12, 2012
    Last edited by a moderator: Sep 7, 2017
    Mike, have a look at Birdman website. He has nice pictures and all the procedures.

    BTW Sheldon you still have to remove the rear plug between the engine mount and the diff for the oil level.
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  11. soucorp

    soucorp F1 Rookie

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    #11 soucorp, Jun 12, 2012
    Thanks Claude, I forgot how valuable BirdmanFerrari is.

    http://birdmanferrari.com/service/Gear_oil/gear_oil_change.htm
    Changing the gear oil on a Ferrari 308, 328 or Mondial
    Tools and or supplies needed:

    1. (5) Quarts suitable oil (Swepco 201 80W-90, Agip Rotra LSX SAE 75W-90, Redline 75W-90) Oil needs to have a friction additive for the clutches in the differential! (Jonathan's note: Many people including me have had excellent results with Redline 75W-90 NS).
    2. 10mm & 12mm allen hex wrench
    3. 19mm & 22mm open end wrench
    4. Suitable drain receptacle to catch and recycle oil
    5. Rags or towels to wipe up spills etc.
    6. Funnel and a piece of hose approximately 10 inches long.

    Optional tools:

    1. 1 creeper
    2. 1 large piece of card board (To catch any oil that may splash.)
    3. 1 box of latex gloves
    4. 1 shop apron
     
  12. familyTruck'uh'Sportster

    familyTruck'uh'Sportster Karting

    Mar 21, 2012
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    Sheldon
    #12 familyTruck'uh'Sportster, Jun 12, 2012
    Last edited: Jun 12, 2012
    Yes thanks I did see the fill level bolt, in the write-up. A couple of bolts and housings look slightly different (my original post was to confirm I had the correct bolt) I have no doubt his write up is 1st rate because I can follow it LOL.
     
  13. David Lind

    David Lind Formula 3

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    #13 David Lind, Jun 12, 2012
    Is the friction additive already in premium oils, or do we need to add it to those as well? If we need to add, what friction additive is best?
    Thanks!
     
  14. godabitibi

    godabitibi F1 Veteran

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    Claude Laforest
    #14 godabitibi, Jun 12, 2012
    As far as I know there is never friction additive in gear oil. You have to add it.
     
  15. Russ Gould

    Russ Gould Formula 3

    Nov 8, 2004
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    #15 Russ Gould, Jun 17, 2012
    Those photos you posted tell my you are confusing the clutch oil with the gear oil.

    The clutch oil is changed through the wheel well. You need to drain it and then replace 100 cc by measurement. For this you need a measuring flask and a funnel with some hose attached to it.

    The gear oil is drained from under the car. The drain plug is marked Olio Cambio or something similar. It's under the sump. Be careful, there are two plugs. One is for motor oil. One is for the gearbox. Cambio means gearbox I think. Gear oil has a characteristic smell, don't confuse it with motor oil. The fill plug is higher up on the sump casting and hard to get to or even see. You open that with an Allen key. I bought a set of allen keys that are used for this job alone. You need a hose inserted into the fill plug, you fill til it overflows. You should replace the washer/gasket when you do the oil change.
     
  16. Burch1

    Burch1 Formula 3

    May 26, 2012
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    #16 Burch1, Aug 1, 2013
    BTW, he has just started a Ferrari repair website: ****************.com
    Might be worth watching to see if they get some good Mondi stuff.
    Cheers,
    Greg

     

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