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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, Sounds like a typewriter is hiding in my dash. in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; Pull those two fuses to see if it goes away. If it does, then plug one back in followed by ...
  1. #16
    Kingoftypos is offline Cadillac Owners Master
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    Re: Sounds like a typewriter is hiding in my dash.



    Pull those two fuses to see if it goes away. If it does, then plug one back in followed by the other to see which device is making it.

    To me it sounds like the flap for the air direction. Or CD changer mech, that is if you have one.

    KOT

  2. #17
    khpappas's Avatar
    khpappas is offline Cadillac Owners Fanatic
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    My car does this clicking thing too. I think its the hvac. Try changing the temp from 60 slowly up to 90. When i get above 75ish it stops. I looked under drivers side dash when it was doing it and noticed the hvac motor was still moving back and forth this white part that controls the temp flap/door.

  3. #18
    Matt4949 is offline Cadillac Owners Fanatic
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    Re: Sounds like a typewriter is hiding in my dash.

    I don't have the exact same sound, but something very similar. I usually turn the radio up

    For what it's worth, I at least think this is what is happening in my vehicle, and I plan to do this DIY when I get ambitious...

    Dash Rattle

  4. #19
    Pwayne is offline Cadillac Owners Fanatic
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    Re: Sounds like a typewriter is hiding in my dash.

    Mine has been doing this for 3 years, and nothing has failed.

    Multiple clicks and ticks under the dash somewhere. I'll try the HVAC thing, but mine has several clicks-ticks going at the same time.

    Mine does it with airconditioning on or off, doesnt make any difference. But I will try adjusting the temp like the suggestion above for the heck of it. If I get the same result I will pursue that path.

    Let's keep this thread going, more and more people are chiming in with this same issue.

    -This is not the gurgle sound
    -Might or might not be related to the HVAC system, there are other threads on this
    -I think that this is a 3rd issue, but not sure yet.

    Keep posting, lets figure this out this time.

  5. #20
    khpappas's Avatar
    khpappas is offline Cadillac Owners Fanatic
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    Mine does this when the Hvac is on and even when totally off. Adjusting the mode (floor/dash vents...) does nothing. The only way ive been able to make it stop is by adjusting temp above 75ish. System works fine but its just annoying at times. Seems like there is he motor/actuator for the temp function that is acting up.

  6. #21
    Pwayne is offline Cadillac Owners Fanatic
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    Re: Sounds like a typewriter is hiding in my dash.

    Wish I had driven my CTS to work today, I would go try adjusting the temp right now to see if I get the same result.

    Funny that you get the noise with the AC off, but you can turn it on then adjust it over 75 and the noise will go away.

    I will try it this weekend.

    If I get the same result, at least we will know this is related to the HVAC issue. Somewhere to start anyway.

  7. #22
    Kingoftypos is offline Cadillac Owners Master
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    Re: Sounds like a typewriter is hiding in my dash.

    Quote Originally Posted by Pwayne View Post
    Wish I had driven my CTS to work today, I would go try adjusting the temp right now to see if I get the same result.

    Funny that you get the noise with the AC off, but you can turn it on then adjust it over 75 and the noise will go away.

    I will try it this weekend.

    If I get the same result, at least we will know this is related to the HVAC issue. Somewhere to start anyway.
    It kind of make sense. Because even though it's off, it's still set at the last known "temp" setting. And if there is a malfunction with the flap, it will continue to try to get to that setting.

    KOT

  8. #23
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    Leects07 is offline Cadillac Owners Member
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    Re: Sounds like a typewriter is hiding in my dash.

    Today I was fiddling with my radio setting up some xm channels car off in the garage and it seems the noise comes from the radio cd system every time I switched from fm band to xm or cd I would get the type writer sound
    specially when xm was on and searching channels it did it with the key on accessory and on battery . Don't think im gonna worry about it until ..paper starts coming out of my dash !

  9. #24
    Pwayne is offline Cadillac Owners Fanatic
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    Re: Sounds like a typewriter is hiding in my dash.

    Mine does it with CD and XM off or on. so far nothing I do changes it. Havent had a chance to drive it to try changine the temerature selection though. It does it continuously as long as the ignition is on.

  10. #25
    Pwayne is offline Cadillac Owners Fanatic
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    Re: Sounds like a typewriter is hiding in my dash.

    OK, i got the same result by changing the temperature.

    It seems the ticking noise happens once the airconditioning system has basically met its temperature demand.

    Turning the temp up a few degrees, or down a few degrees, the noise goes away for a little while.

    I think there is a valve in there somewhere, that when the temperature demand has basically been met, just hunts around and makes noise.

    When you turn your temperature up a few degrees, or down a few degrees, this valve is moving towards one extreme or the other to meet the new demand, and the noise stops, until it meets its new temperature demand, then the ticking starts again.

    Thats why you dont always here it. You hop in your car on a hot day for a short trip, and the AC never gets caught up, it is continuously keeping this valve in the get colder mode. If you take a longer trip, or the outside temp is not real hot or real cold, the AC meets its temperature demand, and then the ticking noise starts.

    I've been testing this theory for a while now, and it seems to be holding up. Now to determing what valve it is, and see if replacing it helps. Maybe it is cracked or loose inside, and when you select a large heat or cold demand, it moves all the way over one way or the other, and the loose or cracked bits get supported by the inside of the valve body.

  11. #26
    maximusdecimus is offline Cadillac Owners Member
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    I have the same problem you've all described. It doesn't seem to affect the operation of anything but is definitely annoying as has already been mentioned. I have some experience with motors/solenoids, etc. because I used to repair copiers that have a lot of these. I agree that it sounds like a motor or something keeps trying to move the flap and is "skipping" . We need to find out where it is and how to get it out.

    Anyone done this?

    Since everything is working okay, I'm not too excited about taking my whole dash out.

    I wonder if there any photos on this site of the innards of the dash so we can get an idea where to go and what to look form.

    Sent from AutoGuide.com App

  12. #27
    maximusdecimus is offline Cadillac Owners Member
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  13. #28
    maximusdecimus is offline Cadillac Owners Member
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    Okay, so I just went out and looked at that assembly with my head under the dash and a flashlight. I put the ignition in the on position so the climate control would work and put the temp up and down alternately. The lever seemed to move back and forth with no issue. I did it about 20 times. I didn't hear any noise. Maybe it is not this assembly making the noise or maybe it is very intermittent.

    Sent from AutoGuide.com App

  14. #29
    pcode is offline Cadillac Owners Member
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    Re: Sounds like a typewriter is hiding in my dash.

    My Car does this as well does anyone know how to fix it?

  15. #30
    Stuffy504 is offline Cadillac Owners Member
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    Re: Sounds like a typewriter is hiding in my dash.

    My car does this as well. I hear it whenever I change songs on a CO in the radio.

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