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Re: Noisy hydraulic tappet?
I've had this symptom on every 5 cyl Audi I've ever had. Add a half a quart of
motor oil & run for a minute or two. This usually works.
harrisom
Fred Munro wrote:
> -----Original Message-----
> From: Flemming Christensen <fl.christensen@get2net.dk>
> Date: Sunday, February 01, 1998 11:21 AM
> Subject: Noisy hydraulic tappet?
>
> >Starting the car this morning I noticed a distinct tapping noise from
> >the cylinder head. I think I it could be a noisy hydraulic tappet.
> >The noise disappered again after a couple of minutes when the engine got
> >warmer.
> >Besides from this, it's a perfect running '88 MC-1 engine which has done
> >about 190000km.
> >
> >Supposing that it's a noisy hydraulic tappet: Could this be due to
> >normal wear? Any BTDT's?
> [snip]
>
> Hi Flemming;
>
> Noisy tappets are fairly common on Audi engines; in fact the Bentley
> mentions this and says it's not a problem unless the noise doesn't stop
> after the engine warms up. I think it mentions running the engine above 2000
> rpm to see if the noise stops. I've noticed noise from the tappets on my MC
> engine a few times; usually after it has not been run for a week or so. It
> always stops after the engine runs for 30 seconds or so.
>
> HTH
>
> Fred Munro
> '91 200q 245k km