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Thread: Going in again! HG's first, now torque converter

  1. #1
    bigblockolds is offline Cadillac Owners Member
    Automobile(s): Eldorado
    Join Date
    Nov 2009

    Going in again! HG's first, now torque converter

    Got my 1998 Eldo ETC with 80k back together after Norms inserts and all new gaskets, seals and rod and main bearings. Took about 40 hours from start to finish. Made every attempt to not leave anything to chance, so I replaced all the gaskets and seals and also the bearings while I was there. Not a job I was hoping to do any time again soon, however...

    Now after a few weeks of around town driving, the car runs great by the way, we went on a trip yesterday and on the highway, the service engine soon light came on. P0741 torque converter code came up. All the reading I've been trying to do indicates that the torque converter has a problem and some seals in the trans are bad.

    So in I go again!

    Any one have any enlightening stories on how they got code P0741 and found a "blank" in their "blank" and it wasn't a bad torque converter and bad seals?

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  3. #2
    dtino is offline Cadillac Owners Member
    Automobile(s): 97 Eldonrado ETC & 02 DTS
    Join Date
    Jan 2010
    Elyria, Ohio

    Re: Going in again! HG's first, now torque converter

    Hey BidBlock, since you have done the HG's on yours, can you tell me what the tightening sequence is on the heads? I go a Haynes manual but it was a waste of money when it comes to doing the heads.
    Thanks, dtino

  4. #3
    Submariner409's Avatar
    Submariner409 is online now If it won't run, chrome it
    Automobile(s): 2002.5 F55 STS - 67,500 miles, 2014 Explorer XLT FWD
    Join Date
    Feb 2006
    MD Eastern Shore, Kent Island

    Re: Going in again! HG's first, now torque converter

    The answer is in your identical 4.6 Northstar thread.

  5. #4
    Krashed989's Avatar
    Krashed989 is offline Cadillac Owners Connoisseur
    Automobile(s): 94 Eldorado, and a 99 ETC
    Join Date
    Sep 2004
    Hilo, Hawaii

    Re: Going in again! HG's first, now torque converter

    P0741 - TCC (Torque Converter Clutch) System Stuck Off

    That's usually just a $35 solenoid, or burnt wiring just before that solenoid. The solenoid is highlighted in pics in this post:

    the solenoid is GM part #24227792 has it for $30 + shipping.
    Last edited by Krashed989; 01-04-10 at 12:45 AM.

  6. #5
    97EldoCoupe's Avatar
    97EldoCoupe is offline Owner of Northstar Performance
    Automobile(s): 97 ETC x2, 04 GXP, 04 STS x2, 97 ESC, 99 Deville, 05 SRX
    Join Date
    Mar 2007
    The Great White North

    Re: Going in again! HG's first, now torque converter

    It is not always just the solenoid. If you have code P1860 I believe it is then yes, if you do not have this code, you're in for more transmission work.

  7. #6
    ejguillot's Avatar
    ejguillot is offline Cadillac Owners Enthusiast
    Automobile(s): 2000 Seville STS
    Join Date
    Jul 2006
    Tampa FL

    Re: Going in again! HG's first, now torque converter

    How did the repair go? Did you need to replace the torque converter?


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