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Title:

Technical Service  BULLETIN 

December 7, 2001

Introduction

Applicable Vehicles

Models:

’00 – ’01 Celica & MR2 Spyder

Some 1ZZ–FE and 2ZZ–GE engines may exhibit squealing and/or rattling noises emanating from the engine compartment during vehicle operation, especially during deceleration at slow speeds after after cold soak. The Accessory Drive Belt and Belt Tensioner have been improved to correct this condition.

S

2000 – 2001 model year Celica GT/GTS and MR2 Spyder vehicles produced BEFORE the Production Change Effective VINs listed below.

Production Change Information

Parts Information

 ACCESSORY  ACCESSORY DRIVE BELT/  BELT/  BELT BELT TENSIONER TENSI ONER ASSEMBL ASSEM BLY Y NOISE NOI SE

VEHICLE

MODEL

PRODUCTION CHANGE EFFECTIVE VIN

Celica GT

JTDDR32T#10106005

Celica GTS

JTDDY38T#10049473

MR2 Spyder

JTDFR320#10039271

PREVIOUS PART NUMBER

CURRENT PART NUMBER

Celica GT w/ AC

90916–02432

9 09 16 –0 25 34

Celica GT w/o AC

90916–02468

90 91 6– 02 53 5

Celica GTS

90916–02310

9 09 16 – 025 40

MR2 Spyder

90916–02486

90 91 6– 02 53 7

Accessory Drive Belt

16601–22010

16 60 1– 22 01 1

Belt Tensioner Sub–Assembly (Hydraulic Cylinder)

N/A

9 01 05 – 084 15

Bolt, Flange

Celica GT MR2 Spyder

16620–22010

16 62 0– 22 01 1

Belt Tensioner Assembly, Complete

Celica GTS

16620–22030

1 66 20 – 220 31

Belt Tensioner Assembly, Complete

Celica GT Celica GTS py er

Warranty Information

PART NAME

OP CODE

DESCRIPTION

T I ME

OPN

E G8 00 1

R & R Accessory Belt Tensioner

0.6

16620–22010

T1

T2 T2

91 99

Applicable Warranty*: This repair is covered under the Toyota Toyota Comprehensive Warranty. 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 correction of a problem problem based upon a customer’s specific complaint. complaint.

Toyota Supports ASE Certification 

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ACCESSORY DRIVE BELT/BELT TENSIONER ASSEMBLY NOISE – EG014-01 Repair Procedure

December 7, 2001

1. Verify that the noise emanates from the Accessory Drive Belt/Belt Tensioner Assembly. These noises will generally manifest as a rattling rattling or a squealing. Assembly. If there is any 2. Inspect the Accessory Drive Belt and Belt Tensioner Assembly. roughness to either of the Belt Tensioner Assembly bearings or any sign of damage, scoring, or glazing on the Accessory Drive Belt or the Belt Tensioner Tensioner Assembly pulley wheel, replace both the complete Belt Tensioner Assembly and the Accessory Drive Belt. If there is NO sign of damage, glazing or wear on the Belt Tensioner Tensioner Assembly pulley wheel or the Accessory Drive Belt, and the noise was only a rattle, then replace the Belt Tensioner Sub–Assembly and retaining bolt with the revised parts as described below. below. If your diagnosis indicates that a complete assembly replacement is in order, the repair manual page numbers for this operation have been provided for your reference. MODEL

MODEL YEAR

PUBLICATION NUMBER

PAGE

20 0 0

RM744U2

E M –2 0

20 0 1

RM818U2

E M –2 1

20 0 0

RM760U

E M – 15

20 0 1

RM801U

E M – 15

Celica

MR2 Spyder p

3. Belt Belt Tens Tension ioner er Sub–Ass Sub–Assem embly bly Replacement A. Remove Remove the the Acces Accessor sory y Drive Drive Belt, Belt, and then the Tensioner Assembly by removing the fasteners securing the Tensioner Assembly at the pivot point and at the top of the Tensioner Sub–Assembly (see Figure 1).

Figure 1 Step A

Step B Step A

B. Place the Tensioner ensioner Assembly Assembly in a vice and remove the bolt attaching the Tensioner Sub–Assembly to the Tensioner swing arm (see Figure 1). C. Remove Remove and replace replace the Tensioner ensioner Sub–Assembly. Replace the bolt securing the Tensioner Sub–Assembly to the idler arm with the new bolt (see Figure 2). D. Re–att Re–attach ach the the Tension Tensioner er Assembly Assembly..

After replacing the Belt Tensioner Assembly: E. Fit a wrenc wrench h on the hexago hexagonal nal portion of the Belt Tensioner Tensioner swing arm (see Figure 2). F

Slowly Slowly move move the the Be Belt lt T

ioner ioner at

Figure 2

Step C Step C

Belt Tensioner Sub–Assembly Steps E & F

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