2002 360 asr issue and more | FerrariChat

2002 360 asr issue and more

Discussion in '360/430' started by 2mmuch, Mar 30, 2014.

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  1. 2mmuch

    2mmuch Formula Junior
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    Nov 3, 2003
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    Luigi
    Ok, took the car out today for the first time after being put away all winter. Ran great for the first hour. Then all of a sudden the ASR light came on, the break light came on, then shortly after the F1 tras light came on and the car started hopping. Pulled over and turned it off. Restarted the car and everything is fine. Car revs perfect, and idle is fine. Put it in to gear and start driving away after about 10 feet it happen all over again. Did this all the way home. Any ideas?
     
  2. Skidkid

    Skidkid F1 Veteran
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    Sorry to hear about your trouble. Time for a tow truck and a visit with an SD.
     
  3. 2mmuch

    2mmuch Formula Junior
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    Thats what I was thinking. Get it in before summer comes.
     
  4. English Rebel

    English Rebel Formula 3

    Aug 13, 2013
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    I take it from the winter storage that you are in Ontario Canada and not Ontario CA. :)
    Alan
     
  5. Bob in Texas

    Bob in Texas F1 Rookie

    Apr 23, 2012
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    Isn't there something in the manual about all three coming on at the same time?


    Sent from my iPad using Tapatalk HD
     
  6. tazandjan

    tazandjan Three Time F1 World Champ
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    Corroded or loose ground strap or alternator cable?
     
  7. rbellezza

    rbellezza F1 Rookie

    Jun 18, 2008
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    Thinking the same !
     
  8. mikeyr

    mikeyr Formula 3

    Jun 17, 2004
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    check your battery connections, I got stranded 3 times with same symptoms until I fixed the battery connections, in my case they had been butchered by previous owner for a radio install, but if they are loose you will get those symptoms.
     
  9. 2mmuch

    2mmuch Formula Junior
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    #9 2mmuch, Apr 1, 2014
    Last edited by a moderator: Sep 7, 2017
    Well guys here it is. I plug in my OBII reader and got about 18 codes. All doing with the right side bank. Everything from timing to misfiring. So I decide to pull the timing cover on the right side to see if there was anything strange and there it was. The Hyd. tightener collapsed. There should be a gap of 1.9-2.3mm and its flat. Belt on bearing side is tight but vary lose on opposite side. All I can say is it could have been a lot worse if the belt would have skipped a tooth. But it is good to know that if your hyd tightener goes, it still has room to keep the belt in line and not destroy the engine.

    So here is one less question we need answered, “What would happen if my hydraulic tightener every failed?”

    Ordered a new one from Ricambi and hope to have it in and the car back on the road by this weekend.
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  10. bmw tuning

    bmw tuning Karting

    Apr 27, 2012
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    Donny
    damn! good catch! You saved yourself alot of money and heartache.
     
  11. bmw tuning

    bmw tuning Karting

    Apr 27, 2012
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    is it just me or is it weird that the traction & tranny lights came on for an engine problem? Seems really weird that you got those instead of a CEL....
     
  12. 2mmuch

    2mmuch Formula Junior
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    I agree. that's what through me off.
     
  13. 2mmuch

    2mmuch Formula Junior
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    Does anyone know where I can find the engine number. I see it in the owners manual but it is not quite clear. I was thinking of replacing both tighteners since I'm already in here, but need the engine number to order the proper stuff needed for the LH side.
     
  14. tazandjan

    tazandjan Three Time F1 World Champ
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    #14 tazandjan, Apr 2, 2014
    Last edited by a moderator: Sep 7, 2017
    Luigi-Is this the port (left facing forward) or starboard (right facing forward) bank of cylinders? There is a technical bulletin for replacing the tensioner fastening bolts on the port (left) side cylinder bank.

    Should not really affect tensioner operation, but worth checking to see if it was done.
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  15. Rifledriver

    Rifledriver Three Time F1 World Champ

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    Probably a bad wheel speed sensor.


    Your perceived tensioner problem is not the cause.


    What makes you think you have a bad tensioner? Under certain circumstances they collapse. Just the way they work.


    What made you look under a belt cover for an ASR/F1/Brake problem? That's like going to a podiatrist for chest pain.
     
  16. Rifledriver

    Rifledriver Three Time F1 World Champ

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    What you are not telling him is that if he replaces the left tensioner he needs to replace the entire A/C mounting plate. Starts getting expensive.

    But what the heck. He fixing to throw a lot of money at something that probably isn't a problem anyway.
     
  17. tazandjan

    tazandjan Three Time F1 World Champ
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    Brian- That is what we need the pros for, to keep us from wasting money.
     
  18. Rifledriver

    Rifledriver Three Time F1 World Champ

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    Oh but Terry, this place doesn't need us.


    Just ask.....uh, you know.
     
  19. tazandjan

    tazandjan Three Time F1 World Champ
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    Brian- Yup.
     
  20. bmw tuning

    bmw tuning Karting

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    Just so i know for future reference Brian, the pulley being collapsed like that isn't an issue? I didnt think an engine problem would throw those lights but what about his 18 codes pulled? thanx!
     
  21. vrsurgeon

    vrsurgeon F1 World Champ
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    I was going to say.. An asr light for a collapsed tensioner? That makes no sense.

    I would have thought wheel sensor or logic board perhaps..
     
  22. 2mmuch

    2mmuch Formula Junior
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    I do agree I might have more than one issue going on. I have had the light with the 4 triangles under the wheels on since last year and was going to the dealer to have an SD2 done to find out which sensor is causing this. That might be why my ASR light came on.

    The F1 light could have come on due to a combo of issues, the engine variation timing sensor, the ASR, etc. The F1 relies on a lot of sensors in order for it to perform properly.
    The bearing tensioners job is to kept tension on the belt and keep it with in spec. I agree that it will collapse and expand depending on engine speed but at idea and even with the car off the tensioner should go back into spec. This only means that the tensioner doesn’t have enough hydraulic force to push the belt back and put my RH bank back into proper timing.

    All the engine codes I pulled pointed me in this direction.
     
  23. Rifledriver

    Rifledriver Three Time F1 World Champ

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    #23 Rifledriver, Apr 2, 2014
    Last edited: Apr 2, 2014
    A suspension warning light is seldom if ever related to an ASR light whereas an ASR and ABS light is almost always in conjunction with an F1 light. If there is no understanding of the operation and interaction of the systems diagnosis is a matter of divine guidance.


    Nope.
    Often collapsed at rest. Normal condition. Again, an understanding of how they work, not just why they exist, is required.
     
  24. Rifledriver

    Rifledriver Three Time F1 World Champ

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    On any 360 that hasn't seen regular, qualified service having the scanner light up like a Christmas tree isn't all that unusual. The problem arises when the codes are taken as problems. They are not. They are raw data to be used to follow a trail to the underlying problem and that can only be done with an understanding of how the systems work and their interactions. It also requires someone familiar enough with the car to know which should just be ignored and which to believe.


    I still can't figure out the logic path for an ASR light to a bad tensioner.
     
  25. vrsurgeon

    vrsurgeon F1 World Champ
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    Muffler bearing linking the two starts squeaking and that sets a harmonic vibration in the car that localizes and vibrates fuse #46 out of its socket. Very simple really. ;)
     

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