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intermittent starter failuer

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 86K5TrailBlazer, Jan 16, 2002.

  1. 86K5TrailBlazer

    86K5TrailBlazer 1/2 ton status

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    Well just yesterday it happened twice. First time i go grab some lunch and park it for a bit to eat, about 10 -15 mintes later I go to start and there is nothing, no clickling nothing, but there is plenty of juice, 12 volts ( i had my multimeter w/me). So i let it sit for a while longer about 30 minutes and the thing starts right up, great. Finish up some work at the office and then I head out starts fine again ( about 4 hours later) which i expected, go get some gas starts again np, take a 30 minute drive park and come out 20 minutes and once again nothing this time i waited nearly an hour, had plenty of voltage, ,checked the alternator its putting out about 14.5 volts so that seems fine to, must be the starter ehh? Thing is i have had the headers on for about 8 months ( they are ceramic coated) and it not happend before. I though with heat soak it would still click , i do see voltage drop when i turn the key to start position. So is it heat soak at the solenoid of possibly other things, I figure it might be a good idea to get the remote but I'dd like to be sure before i do. Anyone think it may be something else
     
  2. fortcollinsram

    fortcollinsram 1/2 ton status

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    It sounds like a classic case of starter heat soak, as demonstrated by you having to wait 30 minutes....Do you have the starter body wrapped in a heat reflective shield or something like that? you may want to try that first...GL

    CHRIS

    Was that a speed bump? No, just a Rice Rocket </font color=red> <a target="_blank" href=http://coloradok5.com/gallery/fortcollinsram>My 87 Blazer</a>
     
  3. dyeager535

    dyeager535 1 ton status Premium Member

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    Sounds like heat soak if you are losing voltage but nothing is happening. IIRC, a failing starter, with a "flat spot" just from age and use, will not draw at all with the key in the start position.

    If I had headers, and was having heat soak problems, I would immediately start saving up for a gear drive starter.



    Dorian
    My tech/links page: <a target="_blank" href=http://www.dorianyeager.com/index2.html>www.dorianyeager.com/index2.html</a>
    Why insist on counting when the ring gear has the tooth counts stamped in?
     
  4. Sparky

    Sparky 1/2 ton status

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    Heat problem! Replace the starter and try to fab up some kind of a heat shield for the new one. Or do like me and just get a lifetime warranty on the starter and keep replacing them. Also, if you are stuck and need to start your truck put your key in the on position and use a screw driver to connect the post with the big wire to one of the small posts on the starter. It should start right up w/ no problems. Just be careful not to burn yourself on anything including the screwdriver. (it will get pretty hot)

    Sparky

    When all else fails... Check the blinker fluid.
    78 K-5
     
  5. RaisedK5

    RaisedK5 1/2 ton status

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    Mine did that for awhile, i would climb under and touch the terminals with a pair of pliers (and a glove) and kick it over, I never really figured out the problem, but i know for a little it was because the ground cable on the batt was loose, then it was fine for a while then started doing it again, i finally replaced the starter wit hone i had from my camaro, everyonce is a while it'll do it, but it hasn't done it since Big Bear so i think im doing pretty good, I know this doesn't help too much, but start with all the connections, rulel out all the simple stuff first, whats the worst that can happen, starters arn't that expensive right?

    Leland aka RaisedK5

    "The Voices told me to do it!"
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  6. kpanza

    kpanza 1/2 ton status

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    Larry,

    Yeah, it sounds like the dreaded heat soak problem. I went ahead and did the Ford style solenoid on mine, have never had the problem since! MAD Enterprises makes a nice kit for this, called the Start'M Up Kit...his website is <a target="_blank" href=http://www.2xtreme.net/madmark/>http://www.2xtreme.net/madmark/</a> Mark is a real nice guy also, has some cool products.
     
  7. 86K5TrailBlazer

    86K5TrailBlazer 1/2 ton status

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    thanks for the quick replies, you guys are the best. Yeah i was thinking that, just wierd how it didnt happen before when ive been much harder on it. I am doing the remote solenoid soon and thanks for the workarounds i may need to use em at Superstition Mountain this weekend
     
  8. Shawn

    Shawn 1/2 ton status Premium Member Author

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    I'm with Kpanza on this. It's definitely the heated solonoid causing problems. Summit sells the same kit cheaper:

    http://www.geocities.com/MotorCity/Speedway/6432/starter.htm


    Shawn
    87 K5
    few mods [​IMG]
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  9. aandpman

    aandpman 1/2 ton status Premium Member

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    I recently did the Summit Solenoid Relocation Kit, and mine works like a champ. I highly recommend it!
    Starting even SOUNDS more positive.

    P. eople for
    E. ating
    T. asty
    A. nimals
    85 K10, 305 700R4 33's 3.08's (14bff & D44 in the garage now ;-)
     

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