Engine - Engine Compartment Squealing Noise
ENGINEEG031-07
Title:
ACCESSORY DRIVE BELT NOISE
Models:
'04 - '06 Scion xA & xB
June 20, 2007
Introduction
Some 2004 - 2006 model year Scion XA and xB vehicles may exhibit a squealing noise coming from the engine compartment during vehicle operation. The generator drive belt tension specification has been updated to correct this condition. Please use the following repair procedure to address customer concerns.
Applicable Vehicles
^ 2004 - 2006 model year Scion XA and xB vehicles.
Parts Information
Required Tools & Material
Warranty Information
Applicable Warranty*:
This repair is covered under the Toyota Comprehensive Warranty. This warranty is in effect for 36 months or 36,000 miles, whichever occurs first, from the vehicle's in-service date.
* Warranty application is limited to correction of a problem based upon a customer's specific complaint.
Repair Procedure
1. Verify that the noise is coming from the generator V-belt.
NOTE:
Replace the generator V-belt if there is any sign of fraying, scoring, or glazing on the belt.
2. Remove and replace the generator V-belt. Updated generator V-belt specification:
Refer to the Technical Information System (TIS):
^ 2004 or 2005 model year Scion XA or xB Repair Manual, Engine/Hybrid System - Engine Mechanical - "1NZ-FE: Drive Belt: Replacement"
^ 2006 model year Scion XA or xB Repair Manual,
^ Engine/Hybrid System - Engine Mechanical - "1NZ-FE Engine Mechanical: Drive Belt: Removal"
^ Engine/Hybrid System - Engine Mechanical - "1NZ-FE Engine Mechanical: Drive Belt: Installation"