ABS AUDI TT 1997 8N / 1.G AEB ATW Engines Vacuum Control System Workshop Manual
Page 2 of 8
21-39
      
Rules of cleanliness
 
      When working on the vacuum control system, 
charge air pressure regulation or at the 
secondary air system hoses, always observe the 
following rules of cleanliness:  
     
Thoroughly clean all connections and the 
surrounding area before disconnecting. 
     Place parts that have been removed on a clean 
surface and cover. Use lint-free cloths only! 
     Carefully cover over opened components or 
seal, if repairs are not carried out immediately. 
     Only install clean components: Only remove 
replacement parts from packaging immediately 
prior to installation. Do not use parts that have 
been stored loose (in tool boxes etc.) 
     If possible, do not work with pressurized air. Do 
not move vehicle unless absolutely necessary. 
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