IK1201518
Service Bulletin/Repair Instructions
Some low mileage S13 engines in HV and HX chassis may experience complaints of excess fan belt noise or chirping, and or belt edge fraying. This document will guide the user through troubleshooting and Installation of the required parts needed to correct the issue. NOTE: HX with engine serial number (ESN) 6008637 and BELOW will require the instalation of a new front engine lifting bracket and dual idler pulley bracket to correct these complaints. All other chassis will need to follow the diagnostic steps linked below to pinpoint the cause.