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Thread: ticking noise above 60mph .purge valve?

  1. #1
    74chvy glasshouse is offline Cadillac Owners Fanatic
    Automobile(s): 2004 CTS 3.6 , 74 chevy caprice
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    ticking noise above 60mph .purge valve?

    when i go on the freeway or go over 60mph istart hearing a ticking noise that seems to be coming from passenger front of car it doent get louder once im at 60 it stays the same at any speed . when i get home pop hood nothing step on gas to raise rpms nothing. could it be bearings , purge valve , brakes , suspension??
    any ideas , anyone experience this ???
    thanks


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  3. #2
    Firewalker is offline Cadillac Owners Fanatic
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    Re: ticking noise above 60mph .purge valve?

    It probably is not the purge valve, as the ticking noise associated with that is hard to discern while driving. To rule out the purge valve, start the car, raise the hood, go to the passenger side of the engine compartment, pull off the engine cover and reach down and touch the purge valve. You can physically feel the ticking. If you feel it, replace it. I think I paid $30 and the total job took less than 5 minutes. I also doubt it is bearings, as they typically present themselves during turning at slow speeds. I hate hearing noises in my car as well, I want a quiet ride, so I get your frustration. Unfortunately, a lot of it is trial and error. Rule them out one by one until you find the culprit! The upside is that what you are describing does not sound like an expensive fix.

    Good Luck

    Jeff

  4. #3
    74chvy glasshouse is offline Cadillac Owners Fanatic
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    Re: ticking noise above 60mph .purge valve?

    Maybe heatsheild? Ill try ahd have my wige take a vid while driving hopefullyu can hear over wind

  5. #4
    Argent1's Avatar
    Argent1 is offline Cadillac Owners Connoisseur
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    Re: ticking noise above 60mph .purge valve?

    It's been mentioned on here that sometimes the valve in the oil filter cover can make a ticking sound.
    I think they are easy to replace or just change the whole cover.

  6. #5
    74chvy glasshouse is offline Cadillac Owners Fanatic
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    Re: ticking noise above 60mph .purge valve?

    just replaced that. does it sound likesomething bad since it only does it over 60mph? i think i m gonna take off bumper cause i recently put in hids
    thanks


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