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1G W4a33 oil pump inspection...

Posted by amsrn13, Oct 9, 2018

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  1. amsrn13

    amsrn13 Proven Member

    1,860
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    Joined Dec 1, 2013
    danbury, Connecticut
    So after tearing the trans down and not finding a damn thing I pulled the pump apart hoping to find something.....??? I dont see sh**. Seems like it has to be the converter causing the whine in drive/ reverse.
     

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    Attached Files:

    My DSM:
    1992 Eagle Talon TSi

    Street Build

    645 whp   498 lb/ft
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  2. brian9397gsx

    brian9397gsx Proven Member

    1,058
    68
    Joined Apr 28, 2008
    sioux city, Iowa
    I'd be happy with it being the converter and not the pump personally so that's good ish news.
     
    My DSM:
    brian9397gsx 1993 Mitsubishi Eclipse GSX

    19.80 @ 35.55 MPH
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  3. Boomdeeze

    Boomdeeze Proven Member

    1,451
    176
    Joined Jul 5, 2009
    Independence, Minnesota
    I told you in your other thread that I had the exact same thing happen to me and it was the converter. Converter will only whine in gear as that is when the input shaft is stopped and the converter housing is still spinning(attached to the engine). I would wait to hear from Sinister as that is likely the culprit.
     
    My DSM:
    1997 Mitsubishi Eclipse GSX

    Street Build

    10.793 @ 128.98 MPH
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  4. brian9397gsx

    brian9397gsx Proven Member

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    68
    Joined Apr 28, 2008
    sioux city, Iowa
    I wouldn't be surprised if the stator broke with that noise.
     
    My DSM:
    brian9397gsx 1993 Mitsubishi Eclipse GSX

    19.80 @ 35.55 MPH
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    Boomdeeze likes this.
  5. amsrn13

    amsrn13 Proven Member

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    Joined Dec 1, 2013
    danbury, Connecticut
    I know, im just checking everything. Im installing a kiggly billet clutch pack and jeff bush transfer gears. It should be bulletproof after this.
     
    My DSM:
    1992 Eagle Talon TSi

    Street Build

    645 whp   498 lb/ft
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  6. amsrn13

    amsrn13 Proven Member

    1,860
    444
    Joined Dec 1, 2013
    danbury, Connecticut
    How the hell do you break something go quick! Jesus i havent even been racing. It happened the minute the boost went up. My cars only making around 600 currently?
     
    My DSM:
    1992 Eagle Talon TSi

    Street Build

    645 whp   498 lb/ft
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  7. brian9397gsx

    brian9397gsx Proven Member

    1,058
    68
    Joined Apr 28, 2008
    sioux city, Iowa
    Manufacturing defects would be my guess. I highly doubt it was a power issue I'd say you probably just got a lame one. Just a bad luck draw.
     
    My DSM:
    brian9397gsx 1993 Mitsubishi Eclipse GSX

    19.80 @ 35.55 MPH
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  8. Boomdeeze

    Boomdeeze Proven Member

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    Joined Jul 5, 2009
    Independence, Minnesota
    The spragg is the weak link in the converter when you start making some good power. Another option is to go spraggless. I switched to a PI spraggless converter and its working great so far. People have said that running the spraggless will create more heat as the spragg helps push fluid through the converter. I have not had any issues with heat but I also have two transmission coolers and the larger has a fan attached to a switch. My goal is 9's and after talking with Kiggly at the shootout, he convinced me to go with the PI spraggless for my setup.

    It does seem like it was defective from the beginning if this happened when you first got in to boost.
     
    My DSM:
    1997 Mitsubishi Eclipse GSX

    Street Build

    10.793 @ 128.98 MPH
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  9. amsrn13

    amsrn13 Proven Member

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    Joined Dec 1, 2013
    danbury, Connecticut
    Well honestly I have been ripping it around for several weeks but all 1-3 pulls..... never launching. I think the first time
    I brake boosted it it broke.
     
    My DSM:
    1992 Eagle Talon TSi

    Street Build

    645 whp   498 lb/ft
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  10. Boomdeeze

    Boomdeeze Proven Member

    1,451
    176
    Joined Jul 5, 2009
    Independence, Minnesota
    My spragg went out while just cruising so I believe it can just go out at any point whether you're brake boosting or mid pull.
     
    My DSM:
    1997 Mitsubishi Eclipse GSX

    Street Build

    10.793 @ 128.98 MPH
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  11. amsrn13

    amsrn13 Proven Member

    1,860
    444
    Joined Dec 1, 2013
    danbury, Connecticut
    I was thinking about selling it and going to a precision jeff bush unit
     

    Attached Files:

    My DSM:
    1992 Eagle Talon TSi

    Street Build

    645 whp   498 lb/ft
    Loading...
  12. Boomdeeze

    Boomdeeze Proven Member

    1,451
    176
    Joined Jul 5, 2009
    Independence, Minnesota
    PI is what Kiggly stands behind and he pushes that auto to the limit every pass. He says he has been running the same converter for three years with no problems so that was good enough for me. The Sinister is a good converter, I feel it is more for cars under 500hp but thats personal opinion without any statistic backing, just personal reading and use.
     
    My DSM:
    1997 Mitsubishi Eclipse GSX

    Street Build

    10.793 @ 128.98 MPH
    Loading...
  13. CrackedDSM

    CrackedDSM Proven Member

    767
    258
    Joined Dec 17, 2009
    Oak Ridge, North Carolina
    There does appear to be wear on the bearing surface where the gears sit, but no it doesn’t look like it should be causing your issues.
     
    My DSM:
    1998 Mitsubishi Eclipse GSX

    Street Build

    14b   manual
    1995 Eagle Talon TSi AWD

    Street Build

    16g   automatic
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  14. amsrn13

    amsrn13 Proven Member

    1,860
    444
    Joined Dec 1, 2013
    danbury, Connecticut
    If your refering to that small nick , it appears to be a casting flaw.
     
    My DSM:
    1992 Eagle Talon TSi

    Street Build

    645 whp   498 lb/ft
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  15. CrackedDSM

    CrackedDSM Proven Member

    767
    258
    Joined Dec 17, 2009
    Oak Ridge, North Carolina
    Nah. Referring to where the ball bearings are. My pump wore that down until the ball bearings looked like pac-men. Also scratched the area around it pretty good. I see some wear marks around there but again, nothing major.
     
    My DSM:
    1998 Mitsubishi Eclipse GSX

    Street Build

    14b   manual
    1995 Eagle Talon TSi AWD

    Street Build

    16g   automatic
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