F 250 4WD Super Duty V8-5.4L (2009)
3. Remove and discard the U-bolt nuts and U-bolts and remove the rear spring upper plate.
4. Remove and discard the spring-to-front bracket bolt and flagnut.
5. Remove and discard the shackle-to-rear bracket bolt and flagnut.
6. NOTE: If the rear spring has an auxiliary spring and spacer, it is serviced as part of the rear spring assembly.
Remove the rear spring assembly.
Installation
1. NOTICE: Final tightening of the shackle-to-rear bracket bolt must be done with the suspension at curb height or damage to the bushing
may occur.
Position the rear spring and install the shackle-to-rear bracket bolt and flagnut until snug. Do not tighten the nut at this time.
2. NOTICE: Final tightening of the spring-to-front bracket bolt must be done with the suspension at curb height or damage to the bushing
may occur.
Install the spring-to-front bracket bolt and flagnut until snug. Do not tighten the nut at this time.
3. NOTICE: Final tightening of the U-bolt nuts must be done with the suspension at curb height or incorrect clamp load may occur.
Position the spring upper plate and install the U-bolts and nuts, align the U-bolts so they are as vertical as possible, and tighten until snug. Do not
fully tighten the nuts at this time.
4. With the suspension at curb height, tighten the new shackle-to-rear bracket bolt to 225 Nm (166 lb-ft).
5. With the suspension at curb height, tighten the new spring-to-front bracket bolt to 515 Nm (340 lb-ft).
6. With the suspension at curb height, tighten the new nuts evenly in a cross-type pattern in 4 stages.
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Stage 1: Tighten to 50 Nm (37 lb-ft).
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Stage 2: Tighten to 100 Nm (74 lb-ft).
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Stage 3: Tighten to 150 Nm (111 lb-ft).
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Stage 4: Tighten to 200 Nm (148 lb-ft).
7. Install the wheel and tire.
