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What is this (engine) part and why is it beeping at me?

  • 05-07-2016 4:07pm
    #1
    peasant
    Registered Users, Registered Users 2 Posts: 17,819 ✭✭✭✭


    Nissan (Renault) 2.0 dci engine

    After switching off there is a low beeping/screeching sound coming from the front of the car ...closer investigation reveals is this part that's humming in high frequency ...it stops after a minute or two

    390873.JPG
    high res see here:
    https://upload.wikimedia.org/wikipedia/commons/c/cc/Nissan_M9R_Engine_02.JPG

    Is this some sort of valve/solenoid that's about to go south on me or is this beeping noise normal?


Comments

  • #2
    gctest50
    Registered Users, Registered Users 2 Posts: 9,605 ✭✭✭gctest50


    Electronic throttle body

    https://www.google.com/#q=200+330+810


  • #3
    peasant
    Registered Users, Registered Users 2 Posts: 17,819 ✭✭✭✭peasant


    OSI wrote: »
    The whirring is probably the coolant pump continuing to circulate coolant around the turbo for a period after the engine has been shut off.

    Naahh ..the noise seems to come from the throttle body (thanks!) itself.
    Tapping on it / touching it changes the noise.


  • #4
    peasant
    Registered Users, Registered Users 2 Posts: 17,819 ✭✭✭✭peasant


    Other people (with different engines) seem to have the same issue.




  • #5
    George Dalton
    Registered Users, Registered Users 2 Posts: 5,728 ✭✭✭George Dalton


    peasant wrote: »
    Other people (with different engines) seem to have the same issue.

    It's not an issue. It's normal behaviour.


  • #6
    peasant
    Registered Users, Registered Users 2 Posts: 17,819 ✭✭✭✭peasant


    George Dalton wrote: »
    It's not an issue. It's normal behaviour.

    Yeah well ...I'm from the purely mechanical age where cars just used to shut up when you turn the key off :D


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