TSB
07-23-9 6.4L DIESEL - COLD WEATHER BELT CHIRP

Publication Date: November 9, 2007

FORD: 2008 F-Super Duty


ISSUE:
Some 2008 F-Super Duty vehicles equipped with a 6.4L diesel may experience a belt chirp when initially started following a cold soak.

ACTION:
Replace the idler pulley following Workshop Manual, Section 303-05.


PART NUMBER PART NAME
7C3Z-8678-B Kit - Idler Pull


WARRANTY STATUS:
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.

Install a Gaterback belt and call it fixed!!

[email protected] said:

Install a Gaterback belt and call it fixed!!

Click to expand...

Not true! It took replacing the tensioner pully on my Ranger to eliminate the chirping sound when it was cold & damp, it wasn't the belt.