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TSB for fuel pump screen clogging



I received one request for information on the TSB that was issued 
for the fuel tank lining clogging up the inlet screen on the fuel pump 
on certain years and models of Audi 5k's.

So, it appears that the blockage is more of a gummy type of a 
thing, as opposed to flakes or something else.

Ken

Here is the information I found on the web, but searching this 
website:

http://www.nhtsa.dot.gov/cars/problems/tsb/servicemmy.cfm

Service Bulletin Number: 20-91-07 
Bulletin Sequence Number: 031
Date of Bulletin: 9103
NHTSA Item Number: SB023956
Make: AUDI
Model: 5000
Year: 1988
Component: FUEL:FUEL SYSTEMS
Summary: LOSS OF POWER-PROTECTIVE COATING ON SIDE 
OF FUEL TANK LOOSENS & MIGRATES TO FUEL PUMP
INLET SCREEN, WHERE, OVER TIME, FLOW GRADUALLY 
REDUCED THRU PUMP INLET SCRE EN-SERVICE
SOLUTION-AUDI 1986-88 5000S TURBO & 1989 100/200 
MODELS CE