Problem Description and Possible Solution
A defective idler pulley and / or belt material can cause a chirp or squeak noise from the engine area on initial start up. The idler pulley and / or belt will need to be replaced with revised parts.
Average mileage: 185,000 (70,000–300,000)
Engine affected: 6.4L V8 Diesel Turbo
6 people reported this problem