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  1. #1
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    tapping noise from engine

    Hi,

    first of all apologies if i`m going over old ground but although i did find other posts i did`nt find anything specific to my engine.

    When i gave a friend a jump start today i noticed a tapping noise coming from either the top or possibly front of the engine that i can only hear with the bonnet open. The car is a 1998 A4 Avant 1.8 petrol.

    Sounds like tappets to me although i`m not expert! Any ideas?

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  3. #2
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    Injectors?

  4. #3
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    Oil pressure or worn cam chain tensioner ???
    1999 Audi A4 1.8T Quattro Sport - Volcano Black

    Mods - Frankenturbo F21 Kit - 3" MAF - Saab Reds - THS Decat - Non Res Milltek - ECS Crank Pulley - 034 Snub + Bracket/Gbox Mounts - 1Z/S2 Clutch + Flywheel - 007p - ICM + EVAP Delete - PFR6Q Plugs - S4 B6 345mm Brakes - 300mm Rear Brakes - Goodridge Hoses - LCR Splitter -S4 Bumbers + Skirts/Mouldings - OEM Xenons - Apikol Diff mounts - Polytek'd Rear Diff Mount
    To do/planned -Eibach pro's - GT2871/76R + FMIC + ME7 (maybe) + Engine/stroker Build

  5. #4
    jbh
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    Quote Originally Posted by Bradderz_1988 View Post
    Oil pressure or worn cam chain tensioner ???
    this would be my bet
    1997 A4 Avant 110 TDi quattro
    1996 A4 Avant 110 TDi breaking

  6. #5
    Iceash's Avatar
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    Sticky tappet?

  7. #6
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    I have the same tapping noise from my engine (1999 A4 1.8 tqs) a few months ago replaced the cam chain tensioner - tapping is exactly the same, so now looking at replacing oil pump in the near future, this is a major job though as I am still doing lots of research on this. Hope it cures the annoying rattle when I eventually do do it, may even do the water pump and thermostat too as people have suggested to me on here.

  8. #7
    Iceash's Avatar
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    Quote Originally Posted by Topplumb1 View Post
    I have the same tapping noise from my engine (1999 A4 1.8 tqs) a few months ago replaced the cam chain tensioner - tapping is exactly the same, so now looking at replacing oil pump in the near future, this is a major job though as I am still doing lots of research on this. Hope it cures the annoying rattle when I eventually do do it, may even do the water pump and thermostat too as people have suggested to me on here.
    have you not tried a flush? That fixed my tqs tapping

 

 

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