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  1. Join Date
    Apr 2017
    Posts
    13
    #1
    Mga Expert help naman baka may naka experience na..

    Cold start wala pang humming sound.. once na reach na niya ung normal temp niya mag start na siya mag humming sound pero ung humming sound tutunog lang above 700RPM pero below 700RPM mawawala na yung tunog sa sasakyan..

    Kung bubuksan mo ung hood.. yung tunog ay parang dito sa mga part na ito.. intake tube / sa may alternator area / water pump area / tensioner area / etc sa part na pag nakaharap ka sa sasakyan front left side ung medyo naririnig.. pero pag nasa loob ka ng sasakyan dun mo tlga rinig na rinig yung tunog..

    para sa reference ng tunog... ito ung link:video-1487745514.mp4 - Google Drive

    Thank you Thank you


  2. Join Date
    Mar 2006
    Posts
    17,575
    #2
    leaking pcv valve? have it checked. minsan humuhuni iyan kapag compromised na siya

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Humming sound pa help location Thanks baka may naka experience na