TB loud tapping engine noise





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  1. #1
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    Default TB loud tapping engine noise

    I suddenly noticed a louder tapping noise from the TB engine when driving. not sure what it can be. The display on the dash now also has a message saying "service vehicle soon". The vehicle was serviced in October at 90000Km and currently has 94000km. Anybody have any idea what this could be? Can i still drive it? Not sure if it could be an exhaust leak at the manifold or lifters?

  2. #2
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    Default Re: TB loud tapping engine noise

    Update. Called roadside assistance who got the AA to come out. AA says it sounds like a lifter issue, and have towed the car to the nearest dealership, which in this case is William Hunt The Glen. Awaiting feedback from them now.

  3. #3
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    Default Re: TB loud tapping engine noise

    Good luck!
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  4. #4
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    Default Re: TB loud tapping engine noise

    It could be lifters to oil feed/pressure problem or even, low oil level.

    You should have maybe checked that first if you havent done it for awhile
    Estee = S T = Sean Towlson

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  5. #5
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    Default Re: TB loud tapping engine noise

    Any idea of the oil that was supplied at the recent service.

  6. #6
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    Default Re: TB loud tapping engine noise

    Quote Originally Posted by Estee View Post
    It could be lifters to oil feed/pressure problem or even, low oil level.

    You should have maybe checked that first if you havent done it for awhile
    That was the first thing I checked. oil level was normal.

  7. #7
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    Default Re: TB loud tapping engine noise

    Quote Originally Posted by RoelfleRoux View Post
    Any idea of the oil that was supplied at the recent service.
    The dealership replaced oil in october. Not sure what oil was used though.

  8. #8
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    Default Re: TB loud tapping engine noise

    TB?
    2000 Patrol GU 4.2D(onkey) old and wise at 844 000 km
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  9. #9
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    Default Re: TB loud tapping engine noise

    Quote Originally Posted by Dungbeetle View Post
    TB?
    Chevy Trailblazer
    Estee = S T = Sean Towlson

    There is no such thing as inclement weather, only poor selection of clothing.... or Vehicle

    2010 Hummer H3 5.3lt V8, 300 HP, FDL, RDL, CDL, TC and 4:1 Low Range Building for Touring, not Trails

    FJ: One day when I am big

    Land Rovers: Done unfortunately

  10. #10
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    Default Re: TB loud tapping engine noise

    Quote Originally Posted by Ahmedi View Post
    The dealership replaced oil in october. Not sure what oil was used though.
    A GM Dealership? If so they would have used the correct spec oil. The GM engines are quite specific about oil spec. The short interval between the last service and now in terms of time and kms should rule out the oil service requirement.

    Was it a tap......tap......tap or tap.tap.tap sound? Like taps non-stop or gaps in between?
    Estee = S T = Sean Towlson

    There is no such thing as inclement weather, only poor selection of clothing.... or Vehicle

    2010 Hummer H3 5.3lt V8, 300 HP, FDL, RDL, CDL, TC and 4:1 Low Range Building for Touring, not Trails

    FJ: One day when I am big

    Land Rovers: Done unfortunately

  11. #11
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    Default Re: TB loud tapping engine noise

    Quote Originally Posted by Estee View Post
    A GM Dealership? If so they would have used the correct spec oil. The GM engines are quite specific about oil spec. The short interval between the last service and now in terms of time and kms should rule out the oil service requirement.

    Was it a tap......tap......tap or tap.tap.tap sound? Like taps non-stop or gaps in between?
    Same sound a car with tappets make, a tapping that went faster when revving.

  12. #12
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    Default Re: TB loud tapping engine noise

    Big end on the way out.

  13. #13
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    Default Re: TB loud tapping engine noise

    Update:- The dealer opened up the engine and found two broken rockers. Parts have been ordered from warehouse in PE and is on its way.

  14. #14
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    Default Re: TB loud tapping engine noise

    You're lucky, had the same sound on my cruiser which turned out to be the big end bearings. Busy overhauling the motor now.
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  15. #15
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    Default Re: TB loud tapping engine noise

    Quote Originally Posted by Ahmedi View Post
    Update:- The dealer opened up the engine and found two broken rockers. Parts have been ordered from warehouse in PE and is on its way.
    Thanks for the feedback. I hope you get sorted quickly and not too much of a cost.
    Estee = S T = Sean Towlson

    There is no such thing as inclement weather, only poor selection of clothing.... or Vehicle

    2010 Hummer H3 5.3lt V8, 300 HP, FDL, RDL, CDL, TC and 4:1 Low Range Building for Touring, not Trails

    FJ: One day when I am big

    Land Rovers: Done unfortunately

  16. #16
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    Default Re: TB loud tapping engine noise

    Thanks for feedback. Much better news than expected, hope there isn't any subsequent damage.

  17. #17
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    Default Re: TB loud tapping engine noise

    How does a rocker break and two?

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