F 450 4WD Super Duty V8-6.2L Flex Fuel (2011)
Differential Case: All Technical Service Bulletins
Drivetrain - Rear Axle Chatter On Turns
TSB 10-12-2
07/05/10
REAR AXLE CHATTER
FORD:
2011 F-350, F-450
This article supersedes TSB 10-6-7 to update the Service Procedure and Part List.
ISSUE
Some 2011 F-Super Duty 350 vehicles equipped with dual rear wheel (DRW) pickup box and chassis cab and F-Super Duty 450 vehicles equipped with
DRW pickup box equipped with Dana M80 limited slip rear axle, may exhibit a chatter noise from the rear axle during slow speed turns and heavily
loaded conditions.
ACTION
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
Replace the limited slip differential case with a Ford limited slip differential service kit. Refer to the Workshop Manual, Section 205-02A Rear Drive
Axle/Differential Dana 80.
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
101202A
2011 F-Super Duty DRW:
2.4 Hrs.
Replace The Limited Slip
Differential Case (Do Not
Use With Any Other Labor
Operations)
DEALER CODING
CONDITION
BASIC PART NO.
CODE
4026
42
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