how do i access the throttle body bore & throttle control module
 

i have learned that a rough idle can be caused by these two things ... and i would like to clean them how do i access the throttle body bore and throttle control module on a 98 audi a4 quattro with the 2.8 ... pictures or directions would be helpfull if available ... thanks alot !

RE: how do i access the throttle body bore & throttle control module
 

also how would you recomend cleaning them ? thanks!