help cold start up noise on take off

brann524

Veteran Member
Joined
Apr 24, 2006
Location
Huntsville,Texas
TDI
03 Jetta tdi, 5 speed
I need help. I have 2003 tdi with egr delete, re-flashed computer. Car makes weird grinding noise upon acceleration mainly when first taking off when cold. Took to vw mechanic and oil inter-cooler was leaking so changed it out. That did not seem to fix the roaring noise upon acceleration. Seems to quit when engine warms up. Could it be turbo wheels grinding?
If a turbo is going what are symptoms?
 
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