With 80k miles, the timing belt can just wear out enough to do that. Though definitely could be a pulley. I'd go ahead and replace the belt, tensioner, and idler pulleys.
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
