Ford 2005-2007 F-Super Duty STEERING WHEEL OSCILLATION

Ford 2005-2007 F-Super Duty STEERING WHEEL OSCILLATION

SERVICE PROCEDURE SUMMARY

1. Set tire pressure and road test vehicle to evaluate vehicle before proceeding with further repairs. If issue is resolved, do not proceed with the rest of this TSB.
2. If concern still exists, install a new steering damper (frame-mounted bracket and steering damper assembly on F-250/F-350 4X4 applications only). For F-250/F-350 4X2 and all F-450/F-550 applications, inspect damper for leaks and replace if necessary, torque steering and suspension fasteners per Workshop Manual (WSM).
3. If concern still exists, check front alignment and reduce front caster.
4. Replace redundant control steering wheel (if equipped and vehicle built prior to 10/8/2004).

VEHICLE INSPECTION – TIRE PRESSURE

1. Set tire pressures as indicated on the vehicle label (located on driver’s door label).

NOTE
SETTING TIRE PRESSURE TO DOOR SPECIFICATION IS ONE OF THE SINGLE MOST IMPORTANT MEASURES IN RESOLVING THIS ISSUE. LOWERING TIRE PRESSURE WILL MAKE THIS ISSUE WORSE.

ROAD TEST

1. Ask customer what type of road surface and speed generates the steering wheel oscillation.
2. Road test vehicle on similar road surface and speed, to gain a feel for the customer’s issue.
3. If no issues are identified during the road test, do not proceed with the rest of this TSB.

STEERING DAMPER INSPECTION/REPLACEMENT AND STEERING/SUSPENSION FASTENER TORQUE CHECK

F-250/F-350 4X4 Applications:

1. Remove existing steering damper and frame attachment bracket.
2. Replace steering damper and frame mounting bracket with steering damper and frame bracket.
3. Attach steering damper to frame bracket and torque bolt to 76 lb-ft (103 N•m).
4. Assemble bracket and shock assembly to the frame with attachment bolt retainer pointing to rear of vehicle. Torque frame bracket nuts to 59 lb-ft (80 N•m).
5. Attach other end of shock to the steering drag link and torque to 66 lb-ft (90 N•m).
6. Install damper bolt cap to assure a friendly surface for the battery cable in case of casual contact.

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Ford 2005-2007 F-Super Duty STEERING WHEEL OSCILLATION

Ford 2005-2007 F-Tremendous Obligation STEERING WHEEL OSCILLATION

SERVICE PROCEDURE SUMMARY

Set tire stress and street check car to guage vehicle before proceeding with additional repairs. If challenge is resolved, do not proceed with the rest of this TSB.
If concern nonetheless exists, install a brand new steering damper (body-mounted bracket and steering damper assembly on F-250/F-350 4X4 purposes solely). For F-250/F-350 4X2 and all F-450/F-550 applications, examine damper for leaks and substitute if vital, torque steering and suspension fasteners per Workshop Guide (WSM).
If concern nonetheless exists, check front alignment and scale back front caster.
Change redundant management steering wheel (if geared up and vehicle built prior to 10/8/2004).
VEHICLE INSPECTION – TIRE PRESSURE

1. Set tire pressures as indicated on the car label (situated on driver’s door label).

NOTE
SETTING TIRE PRESSURE TO DOOR SPECIFICATION IS ONE OF THE SINGLE MOST IMPORTANT MEASURES IN RESOLVING THIS ISSUE. LOWERING TIRE PRESSURE WILL MAKE THIS ISSUE WORSE.

ROAD TEST

Ask customer what sort of street floor and pace generates the steering wheel oscillation.
Road check automobile on related highway floor and speed, to realize a feel for the customer’s issue.
If no points are recognized in the course of the highway test, don’t proceed with the rest of this TSB.
STEERING DAMPER INSPECTION/REPLACEMENT AND STEERING/SUSPENSION FASTENER TORQUE CHECK

F-250/F-350 4X4 Purposes:

Take away current steering damper and body attachment bracket.
Exchange steering damper and frame mounting bracket with steering damper and frame bracket.
Attach steering damper to frame bracket and torque bolt to seventy six lb-ft (103 N•m).
Assemble bracket and shock assembly to the frame with attachment bolt retainer pointing to rear of vehicle. Torque frame bracket nuts to 59 lb-ft (eighty N•m).
Connect different end of shock to the steering drag link and torque to sixty six lb-ft (ninety N•m).
Set up damper bolt cap to guarantee a friendly surface for the battery cable in case of informal contact.
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