Has a slight rythmic knock-with stethoscope more prevalent near AC compressor-with compressor off. Suspect Timing belt pulley but cutomer hesitant to do if this could be an engine mechanical problem--doesn't sound like lower end. any one seen this?

FIX posted 1/27/2011

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle