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Overdrive fix - spring tension in relay 700 1989

posted by  lucast on  Mon Nov 5 20:55 CST 2007
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last visit: Sat Sep 24 00:38 CST 2011
[RELATED]

Hi all

I thought I'd share the success I have had with fixing an intermittent OD problem.

Before shelling out some (little) cash for a new OD relay, I dismantled the relay to have a look inside to see if broken solder was at fault, a la the FAQ.

The little circuit board looked fine with good solder joints, so I thought I'd bend the tab holding one end of the relay spring to increase the tension of the spring to see if the problem could be solved that way.

I also sprayed some Deoxit to clean the switch contact areas.

Well, the OD is seemingly good as new. No more intermittent OD light flashing, and the OD button on the autoshift lever works in a consistent manner.

All good!

Lucast








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    Overdrive fix - spring tension in relay 700 1989

    posted by  spasske on  Wed Nov 7 07:51 CST 2007
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    last visit: Thu Oct 23 10:11 CST 2014
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    Lucast,

    If that took car of it, looks like you took the right steps to fix a dirty contact. It usually is fine cracks in the solder, though. Hard to see them. You should be prepared for the possibility that the solder may have flexed some when you took the relay apart, and is now making better contact. If so, it may fail again.
    --
    Paul NW Indiana '89 740 Turbo 128,000








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    Overdrive fix - spring tension in relay 700 1989

    posted by  Chris Mullet on  Tue Nov 6 02:51 CST 2007
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    last visit: Fri Oct 24 09:08 CST 2014
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    Good going.

    I always relate those little successes to how much beer I can buy with the money saved.

    So, let's see..... (1) OD relay = ? Fosters ????








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      Beer money 700 1989

      posted by  B.B. on  Wed Nov 7 03:07 CST 2007
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      last visit: Mon Oct 6 13:15 CST 2014
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      Hi Chris,

      Nice system you have there!
      If something terrible happens and you have to spring for big bucks for parts,
      do you go on the wagon for a few months? How does that work in Georgia,
      can't switch to water anymore~!
      :-)

      Bill








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        Beer money 700 1989

        posted by  Chris Mullet on  Wed Nov 7 13:22 CST 2007
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        last visit: Fri Oct 24 09:08 CST 2014
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        "If something terrible happens and you have to spring for big bucks for parts,
        do you go on the wagon for a few months?"

        Bite your tongue! It's just like the federal gov - there's always money for beer (usually cheap beer) - you just have to "redirect" it from another fund.

        I have to hurry and finish this post before the electric power gets shut off.

        You're right though. We ARE running out of water. I'll soon be taking "Old Milwaukee" beer baths.







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