[A4] Strange Sounds

[Stock, Nicholas]

When did you last change the timing belt? If you haven't yet, then I'd do it
pretty quickly. A lot of people on the list say this, but if you haven't
changed it in the last 60,000 then it would be a good idea. Whilst you're in
there, do the water pump too. 

-Nick

-----Original Message-----
From: a4-bounces+nicholas_stock=merck.com at audifans.com
[mailto:a4-bounces+nicholas_stock=merck.com at audifans.com] On Behalf Of Zori
and Richard Valasek
Sent: Sunday, September 05, 2004 11:06 AM
To: a4 at audifans.com
Subject: [A4] Strange Sounds


HAVE A 98 A4 QUATTRO MANUAL AND AM HEARING A "CLACK-CLACK-CLACKING" NOISE
WHEN THE ENGINE IS COLD AND ACCELERATING THROUGH THE GEARS THE FIRST TIME.
THE SOUND IS MOST PRONOUNCED RIGHT AFTER THE CLUTCH IS LET OUT AND THE SOUND
WILL GO AWAY IF I BACK OFF SLIGHTLY ON THE GAS PEDAL.  THE SOUND IS ALSO
PRESENT EVEN WITH A WARM ENGINE AFTER THE CAR HAS SAT FOR A PERIOD AND AGAIN
DURING THE FIRST FEW ACCELERATIONS.  OTHER THAN THAT, THE CAR RUNS REALLY
WELL.  MILD MODS INCLUDE A FRONT MOUNT INTERCOOLER, K & N FILTER, AND BORLA
EXHAUST--NO CHIP AND NO CHECK ENGINE LIGHT.  COULD IT BE THE ECU OPENING THE
WASTEGATE TO LOWER THE BOOST DURING THESE CONDITIONS?  ANYBODY HAVE ANY
IDEAS?

THANKS FOR ANY HELP.

RICHARD
98 A4 QUATTRO
03 PASSAT V6 4 MOTION WAGON

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