400i Workshop Manual Page Missing | FerrariChat

400i Workshop Manual Page Missing

Discussion in '365 GT4 2+2/400/412' started by markcF355, May 23, 2007.

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  1. markcF355

    markcF355 F1 Rookie

    Jun 6, 2004
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    Mark
    I'm missing pages D10 and D11 from my 338/85 400i workshop manual. Could someone please post them.

    Specifically, I need to know what is screw 5 in fig. 11 is.

    Thanks.
     
  2. SouthJersey400i

    SouthJersey400i Formula 3

    Mar 14, 2007
    1,679
    Romulus, NY (Finger Lakes)
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    Ken Battle
    #2 SouthJersey400i, May 23, 2007
    Last edited by a moderator: Sep 7, 2017
    Mark
    #5 is the mixture screw. You need a long 3mm T-handle hex tool to adjust your CO% per procedure.

    I am attaching scans of the two pages, but good luck reading them. I can mail you hard copies if these are not ledgible.

    If your location is by the normal NJ convention you must be a few minutes from my home town, River Edge. Move south, its nicer and a whole lot cheaper!
    Ken
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  3. dstacy

    dstacy F1 World Champ
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    Jan 23, 2006
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    Turn counterclockwise to lean it out and clockwise to richen.
     
  4. markcF355

    markcF355 F1 Rookie

    Jun 6, 2004
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    Mark
    Paramus.

    Thanks for the pages. To make a long story somewhat short. Today I was adjusting the CO on the left bank. I noticed that the HC level was through the roof. At the tail pipe there is steam like vapor. At first I thought antifreeze.

    I leaned down to smell it and my eyes felt like they were burned out of my head.

    OK, so its gas.

    When I got home I checked for:
    1. Plugs, none fouled, just real sooty
    2. Idle injector, not stuck on
    3. Flap valve, seems fine
    4. Injector spray, a little funky, but ok

    Any suggestions?
     
  5. SouthJersey400i

    SouthJersey400i Formula 3

    Mar 14, 2007
    1,679
    Romulus, NY (Finger Lakes)
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    Ken Battle
    Mark
    I do not think the mixture screw will solve a big problem that occurred all of a sudden, assuming that it did. It is the easiest thing to try, but count turns so you can get back to where you started.

    I believe there are two mixture enhancements for cold running, but best to read manual on injection from front to back and start testing. You may need to get the expensive Bosch test block but one pressure gauge will do, but it will take more time.

    I expect you will get a better reply than mine, but it is a start for you.
    Ken
     
  6. markcF355

    markcF355 F1 Rookie

    Jun 6, 2004
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    I wasn't looking to solve my problem with the mixture screw, I'm just missing the pages.

    I did some more messing around and I'm totally lost.

    I'm starting to think my distributor cap is something to look at. The left bank cylinders are all on the lower terminals. I'll take a peek there.
     
  7. dstacy

    dstacy F1 World Champ
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    Jan 23, 2006
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    See this post...

    http://www.ferrarichat.com/forum/showpost.php?p=136747449&postcount=8
     
  8. markcF355

    markcF355 F1 Rookie

    Jun 6, 2004
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    WWWWHHHHHHAAAAATTTTTT!!!!!
    !!
    !!!!
    !!
    !...

    OK, so what Aaron is saying is that the "firing order" on the sticker in the engine compartment is really the "cap order" Or: 1-7-5-11-3-9-6-12-2-8-4-10

    "The true firing order is of course 1-12-5-8-3-10-6-7-2-11-4-9..." how would I know?

    And to confuse me even more: the 400i Electrical Manual says the cap order is: 1-10-5-7-3-11-6-9-2-12-4-8
     
  9. dstacy

    dstacy F1 World Champ
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    <laugh>

    Aren't 400's fun?
     
  10. dstacy

    dstacy F1 World Champ
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    Jan 23, 2006
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    You know, I'm sorry. Making light of your trouble was rude, please excuse me.

    To be honest I find the 2 step distributor and rotor quite confusing and don't really know what the "correct" firing order is.
    However, I do know mine is running just fine and I wouldn't mind taking a few pictures and tracing out the wires for you if that would help. Could probably get to it this afternoon or in the morning.

    Let me know.
     
  11. markcF355

    markcF355 F1 Rookie

    Jun 6, 2004
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    All rightly then, its fixed!

    In spite of Dave constantly insulting me. I figured it out.

    It turned out to be a cruel combination of negative karma.

    First, just for the record, the firing order for a 400i is 1-7-5-11-3-9-6-12-2-8-4-10.

    Due to the ping-pong operation of the distributor, the wires are fit to the cap in this order: 1-12-5-8-3-10-6-7-2-11-4-9.

    OK here it is:
    1. The center button on the distributor cap was tucked up and not touching the rotor. This caused a weak spark.
    2. For some reason the left bank loaded up and fouled the plugs. Past the point of them clearing themselves.

    So:

    I obtained a brand spanking new genuine Ferrari distributor cap. I had to trade something very dear to me and one day I'm hopping my wife will understand the value of her sacrifice.
    I cleaned the injectors with carb cleaning spray.
    I cooked the plugs to burn off the gunk.
    I put everything back together and bingo, it works.

    Thanks guys for the help.
     
  12. moserpe

    moserpe Karting

    Jul 20, 2006
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    Switzerland
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    Peter Moser
    Hi Mark,

    By coincidence, I have prepared my 400i yesterday for emissions test and have encountered exactly the same problem: the right bank is well below limits for HC, when CO is set correctly, but the left bank HC is more than 3 times above the limit (1300 ppm instead of 400 ppm max.). Since the car is running fine under load, I'm suspecting a faulty injector. It's getting better when enriching the mixture or with increased idle speed, which also indicates that the spray is improving with increased fuel flow.
    Let's see who gets his problem solved first and whether it is the same reason in both cars.

    Regards

    Peter
     
  13. markcF355

    markcF355 F1 Rookie

    Jun 6, 2004
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    I haven't run mine on an analyzer yet, so I don't know if it is really fixed.

    However, looking at and smelling the exhaust, I believe it is.

    It was just a combination of poor spark and dirty injectors.
     
  14. markcF355

    markcF355 F1 Rookie

    Jun 6, 2004
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    Oh, and, Dave, I forgive you.
     
  15. moserpe

    moserpe Karting

    Jul 20, 2006
    137
    Switzerland
    Full Name:
    Peter Moser
    In the meantime I have checked the injectors of the left bank and found five of six in rather bad condition. After replacing all six, I hope to have the emissions problem solved, however this will be evidenced with the next periodic test after one year only.

    Peter
     

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