Engine - Chirp Noise On Cold Engine Start Up

No: LTB00067

Issue: 4

Date: 07 APR 2009

ISSUE '4' CHANGES ARE HIGHLIGHTED WITH GRAY BACKGROUND

SECTION: 303

'Chirp' Noise on Engine Cold Start - Repair Procedure





AFFECTED VEHICLE RANGE





CONDITION SUMMARY





PARTS

TOOLS:

Refer to Workshop Manual (GTR) for any required special tools








WARRANTY


REPAIR PROCEDURE

REPLACE "FEAD" BELT AND IDLER PULLEY AND MODIFY FAN PULLEY BRACKET

NOTE:
Global Technical Reference (GTR) lookup sequence is as follows: GTR Home > NAS > Model > Service Information > Model Year > Workshop Manuals > 3: Powertrain > 303-05 Accessory Drive Belt

1. Refer to Workshop Manual (GTR) Section 303-05 (86-10.03) to remove the idler pulley and FEAD belt.

2. Undo the five bolts and remove the fan pulley bracket.

3. Place the fan pulley bracket in a vice.





4. Modify the bracket using a suitable file or grinding tool as illustrated. (Figure 1)

5. Install the fan pulley bracket and tighten bolts to 22-28Nm (16-20.5 lbf ft).

CAUTION:
The minimum recommended clearance must be obtained.

6. When the new idler pulley is installed, verify a minimum of 1mm (0.040 inch) clearance to the pulley mounting bracket.

7. Refer to Workshop Manual (GTR) Section 303-05 (86-10.03) to install the new idler pulley and FEAD belt.