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09-9-8 6.4L DIESEL - COLD WEATHER BELT CHIRP
Publication Date: May 6, 2009
FORD: 2008-2009 F-Super Duty
This article supersedes TSB 07-23-9 to update model year, Service Procedure and Part List.
Some 2008-2009 F-Super Duty vehicles equipped with a 6.4L diesel may exhibit a front end accessory drive (FEAD) belt chirp when initially started following a cold soak.
Follow the Service Procedure steps to correct the condition.
On 2008 model year vehicles built on or before 11/9/2007 and equipped with single alternator, replace the idler pulley following Workshop Manual Section 303-05. (Figure 1)
Figure 1 - Article 09-9-8
On 2008 model year vehicles built on or before 11/9/2007 and equipped with dual alternator, replace the idler pulley following Workshop Manual Section 303-05. (Figure 1)
On 2008 and 2009 model year vehicles equipped with single alternator, replace the main FEAD drive belt with a new service belt that has an improved noise resistant rubber compound.
PART NUMBER PART NAME
7C3Z-8678-B Idler Pulley
Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
IMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.
1991 Ranger - 38" TSL's, 3 link, One tons, 5.38s on King air shocks....under construction.
1997 Ranger - reg cab flare side, 3.0L, M5OD-R1, 4x4, 31x10.50r15 MT's.
2008 F350 - Crewcab short bed, 6.4L diesel, H&S XRT Pro, AFE DOC/DPF delete
1972 Mustang Coupe - 302, c4, 9", 4.11's locked.