Operation CHARM: Car repair manuals for everyone.

Vehicle Desensitizing

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1. Inspect the radius arm bushing part stack, Figure 7.

2. Measure the radius arm stud length. See the component matrix, Figure 7, to determine the parts involved and the bushing part stack height for the F-350 DRW 4x2 and the F-350 SRW 4x2. Figures 6 through 12 show the radius arm bushing stack for each truck and follows the matrix.

3. Install rubber bushing (E7TZ-3B203-A) if it is not present on the vehicle.

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4. Check the truck for the presence of a steering damper on F-350 DRW 4x2 vehicles. See Figure 13, 14 and 15 for a step by step installation procedure.

5. Install a damper (Service Kit E7TZ-3E651-A) on F-350 DRW 4x2 only if it is not present on trucks built before 1/6/88. A damper kit can be installed on trucks built after 1/6/88, if a shimmy is experienced.