Intermittent no crank
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2004-2007 Cadillac CTS-V General Discussion Discussion, Intermittent no crank in Cadillac CTS-V Series Forum - 2004 - 2007; By no crank I mean key in "start" and there's no attempt by the starter to crank the engine over. ...
  1. #1
    kevm14 is offline Cadillac Owners Connoisseur
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    Intermittent no crank

    By no crank I mean key in "start" and there's no attempt by the starter to crank the engine over. No clicking, no security light. Battery voltage looks good during this condition and after. I end up fiddling around by taking the key out, putting it back in, trying again, etc. I'd almost suspect the clutch switch judging by the behavior but is there anything particularly common that causes this? I may take my 2nd key with me and next time this happens try that one, but it doesn't seem Pass-Key related, since there is no security light when it happens.

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    Rich64SS's Avatar
    Rich64SS is offline Cadillac Owners Fanatic
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    Re: Intermittent no crank

    I forgot about that.... it used to happen so infrequently. Sounds like a good issue for CPO.

  4. #3
    rand49er's Avatar
    rand49er is offline Cadillac Owners 10000+ Posts
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    Re: Intermittent no crank

    I had this happen to my last SHO several times ... most in very horrible situations while in traffic.

    For that car, it turned out to be the crank position sensor. Not sure if this is your problem or not, so this might simply be a bump for your thread.
    '05 CTS-V, Maggie, Kooks, Hotchkis, Ground Control, Corsa, B&M, DSS/Hendrix, Full 3M Clear Bra, Autovation, V Headrests, CTS Console, STS-V 55w Fogs, Black Vette FRCs, Specter Werkes, Katech LS9 Clutch, SS Brake Lines, Heavymetals U-Turn Fuel Line Eliminator, Momo Combat Evo Shift Knob, Wldwhl Clear Sidemarkers, Linea Corse LC855 Wheels or OEM wheels w/'06-'07 Center Caps, plus a couple more. 472 RWHP/411 RWTQ (Mustang Dyno).

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    kevm14 is offline Cadillac Owners Connoisseur
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    Re: Intermittent no crank

    I'd think a bad CPS would cause a no start, but the engine would crank. Mine just does nothing at all when you try. Then after fiddling around (which may or may not accomplish anything), it cranks just fine and starts like nothing ever happened. As Rich mentioned, this used to happen to him every once in a while (it was his car). There also seems to be extended cranking when cold, but I am almost positive this is completely unrelated.

  6. #5
    Houdini's Avatar
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    Re: Intermittent no crank

    Previous owner of my car had that happen and they had to replace clutch start switch.

  7. #6
    rand49er's Avatar
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    Re: Intermittent no crank

    Quote Originally Posted by kevm14 View Post
    I'd think a bad CPS would cause a no start, but the engine would crank. ...
    The SHO wouldn't crank, just a weak-a$$ click. Then, after sitting for a while (~10-15 min), it would start like nothing ever happened.


    Quote Originally Posted by Houdini View Post
    Previous owner of my car had that happen and they had to replace clutch start switch.
    That's a VERY plausible cause and worth a looksee IMHO.
    '05 CTS-V, Maggie, Kooks, Hotchkis, Ground Control, Corsa, B&M, DSS/Hendrix, Full 3M Clear Bra, Autovation, V Headrests, CTS Console, STS-V 55w Fogs, Black Vette FRCs, Specter Werkes, Katech LS9 Clutch, SS Brake Lines, Heavymetals U-Turn Fuel Line Eliminator, Momo Combat Evo Shift Knob, Wldwhl Clear Sidemarkers, Linea Corse LC855 Wheels or OEM wheels w/'06-'07 Center Caps, plus a couple more. 472 RWHP/411 RWTQ (Mustang Dyno).

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    Re: Intermittent no crank

    My vote goes for clutch start switch, you can hear it if you're in a quiet garage when you depress the clutch. If you don't hear a click (starter relay) then most definitely clutch. If you hear a click but no crank, you're looking at the starter.

    You may possibly want to check the starter relay fuse also (it's in the main fuse box under the hood), big black fuse. Re-seat it.

  9. #8
    CTSV_Rob's Avatar
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    Re: Intermittent no crank

    My Guess:
    1- Starter Solenoid
    2- Clutch switch
    3- Bad ground or volatge connection

    Does it happen more often when the car is cold or hot?

  10. #9
    kevm14 is offline Cadillac Owners Connoisseur
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    Re: Intermittent no crank

    Doesn't seem to matter on the temp, though it's happened a few more times when hot.

    What I should do the next time is maybe pump the clutch while I have the key in start and see if that wakes it up.

  11. #10
    repenttokyo is offline Cadillac Owners Connoisseur
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    Re: Intermittent no crank

    Quote Originally Posted by rand49er View Post
    I had this happen to my last SHO several times ... most in very horrible situations while in traffic.

    For that car, it turned out to be the crank position sensor. Not sure if this is your problem or not, so this might simply be a bump for your thread.
    ford had a lot of cps issues just like that, I had them in my Mark VIII.

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    kevm14 is offline Cadillac Owners Connoisseur
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    Re: Intermittent no crank

    The car has been fairly good, with a couple no-cranks here and there. Tonight it did it twice. Once when I was leaving a store, and once when I stopped for gas 10 minutes later. On the latter event, I held the key to start and without doing anything else, it first did nothing, then the starter blipped for a moment, stopped, then it cranked fine and started. I'm still thinking starter because I really don't know how to diagnose it. The question is, do I pay $$ for a new starter now, or wait until it gets worse?

  13. #12
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    Re: Intermittent no crank

    My '05 is at Lindsay right now with this issue. They replaced the theft module and that didn't fix it. Still happens. You depress the clutch, turn the key and nothing, just dash lights and no starter crank at all.

    Yes, this happened in the bus line at my kids' grade school. Nothing more frustrating.

    Hopefully they'll have some ideas when I head down there tomorrow to get it.

  14. #13
    kevm14 is offline Cadillac Owners Connoisseur
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    Re: Intermittent no crank

    Problem with mine is it's still intermittent enough that it didn't happen at all while two different dealers had the car. I even cranked and shut it off like 30 times in front of a tech and nothing.

  15. #14
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    Re: Intermittent no crank

    Mine did the same thing and I waited too long to do anything about it. Good thing our cars push start very easily. Since the new starter was installed, I've had zero problems.

  16. #15
    kevm14 is offline Cadillac Owners Connoisseur
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    Re: Intermittent no crank

    Trouble is, my conventional car wisdom says that starters (or starter solenoids) don't exhibit this failure mode, but if it's broken, it's broken, no matter how "likely." Looks like it's around $200, if GM parts direct is any indication. That's right on the edge of "throw one on and see what happens" cost.

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