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Thread: Sold - IRCM, used, '93

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  1. #1
    Join Date
    Dec 2007
    Location
    Salem OR
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    7,519

    Sold - IRCM, used, '93

    Sold IRCM - used, came off a wreck in 2015, untested, told it fits a 93 SC. P/N F1SF-12B577-AA L'
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    Last edited by KMT; 04-01-2019 at 12:10 AM. Reason: Sold

  2. #2
    Join Date
    Jul 2017
    Location
    Northern Virginia
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    Would this work for any 89-93 SC? I have seen elsewhere that 93/94 is when some sort of change occurred.

    What do the differences in part number mean? I have an 89 5-spd. Mine has gone bad and has part number E9SZ 12B577 A. Can I swap in this one?

    Are bad units repairable? I'm wondering if after swapping in a replacement I can take my bad unit and eventually get it repaired to have on hand for future need.

    Thanks,
    MP

  3. #3
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    Dec 2007
    Location
    Salem OR
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    Someone else has asked about it, but if they change their mind, I'll let you know. I've heard it will work on earlier models, but I can't confirm for sure. Some info about rebuilding is here: http://www.sccoa.com/forums/showthre...93+cooling+fan

    Are you sure yours is bad? What's the issue? How have you tested to confirm?

  4. #4
    Join Date
    Jul 2017
    Location
    Northern Virginia
    Posts
    56
    Thanks for the pointer to info on repair & troubleshooting. I obviously didn't look deep enough through the IRCM related threads I found.

    The symptoms are the fan doesn't come on when the car is idling or at low speed. I have not had a warning light come on, but the gauge has been near red at low speed driving. It immediately cooled off when I got up to highway speeds and stayed cool until I hit traffic/stoplights. In hindsight, the first indication was what smelled like burning coolant when I would park the car in the garage, but I never found a leak or noted a high temp.

    The shop I took it to tells me the unit tests bad, with the rest of the circuit and fan showing normal. The fan is just a couple years old with about 4k miles. I have already found an IRCM through TBSC Shop so I intend to swap it out. Then I'll see if I can rebuild this one using the info you pointed out for me. I'm not very mechanical, but willing to try when I find good directions.

    If yours becomes available I would still be willing to buy it. I read another thread where someone claimed to have several on the shelf for when his inevitably died. It seems like a prudent course of action when feasible. Just wish I could find some shocks to put on the shelf.

    Thanks,
    MP

  5. #5
    Join Date
    Dec 2007
    Location
    Salem OR
    Posts
    7,519
    If you have a code reader, hook it up, key on, engine off, then initiate a self-test. I'd be interested to know if the fan spins up as a result. Go ahead and run at least a full KOEO test to see if any codes come back, posting them here, thanks.

    Ken
    Last edited by KMT; 03-31-2019 at 01:49 PM.

  6. #6
    Join Date
    Jul 2017
    Location
    Northern Virginia
    Posts
    56
    Thanks, especially since I've now learned the SC is an ODB 1 vehicle and I don't have the correct scanner. Of course the port location is not where the one posted picture I found showed it, but I see it back near the passenger side firewall. There are two ports; EEC test & ARC/EVO test. I believe I need the EEC port for this check.

    I'll get the correct scanner and get back to you.

    MP

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