Drivetrain - Moan/Drone At Highway Speeds
TSB 10-2-102/15/10
6.8L - CREW CAB - SINGLE REAR WHEEL (SRW) -
DRONE/MOAN AT HIGHWAY SPEEDS - BUILT ON OR
AFTER 3/18/2009
FORD:
2009-2010 F-250, F-350
ISSUE
Some 2009-2010 F-Super Duty 250/350 vehicles equipped with a 6.8L engine, crew cab, single rear wheel (SRW) and built on or after 3/18/2009 may exhibit a drone/moan at highway speeds. The issue can be corrected by changing the axle companion flange to a flange assembly with a torsional damper.
ACTION
Replace the axle companion flange with a flange assembly with a torsional damper. Refer to Workshop Manual, Section 205-02 for additional information.
Parts Block
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.
OPERATION DESCRIPTION TIME
100201A 2009-2010 F-Super Duty 1.4 Hrs.
250, 350 6.8L 3V: Replace
The Rear Axle Companion
Flange (Do Not Use With
Any Other Labor
Operations)
DEALER CODING
CONDITION
BASIC PART NO. CODE
4851 42
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