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Anyone know what this issue could be?

  • 13-07-2025 10:43AM
    #1
    somethingbleh
    Registered Users, Registered Users 2 Posts: 28 ✭


    Volvo v40 1.6 automatic.

    Just got car back from dealer garage(it's an independent dealer that and I have a warranty). They replaced the belt a fortnight ago (took them a week to do the job as it was "complicated". ) Then I discovered an oil leak from the engine a week later. They fixed it and gave it back to me on Thursday. Said it needed a replacement gasket.

    Then today this starts...

    I'm starting to seriously question their "mechanic".

    https://streamable.com/4iangd

    When driving I am hearing these sounds:

    https://streamable.com/3dv8aw



Comments

  • #2
    BlakeS94
    Registered Users, Registered Users 2 Posts: 1,420 ✭✭✭BlakeS94


    That 1.6D is a DV6c engine, probably one of the easiest, uncomplicated modern engines to do a timing belt on.

    That engine is hunting like mad, something very wrong there. Mechanic could have unplugged a sensor and forgot to plug it back in.

    Second video sounds like a turbo wastegate issue, any loss of power? Does that sound happen only when you let off the throttle?



  • #3
    BrianD3
    Registered Users, Registered Users 2 Posts: 8,863 ✭✭✭BrianD3


    I'm no expert but it seems like a fuelling or fuel/air ratio issue which could be something simple and could have been caused by the mechanic while doing the other work e.g. if he disturbed the MAF sensor connector.



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