parts is where i got my pulleys. on the zetec it's pretty simple to change the tensioner, just unbolt, bolt new one in, get it set right. get a haynes manual, it should tell you exactly how to do it.
98.5 SVT
91 Escort GT (almost sold)
96 ATX Zetec (i brake to watch you swerve)
FS: SVT rear sway bar
WTB: Very cheap beater
CEG Dragon Run - October 13-15