Removal And Installation: Spring: Installation
WARNING: This page is about a different car, the 2009 Ford Econoline and 2009 Ford E450 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
- Position the leaf spring shackle and install the new bolt and nut.
- Tighten until snug.
- Position the rear spring and install the new shackle-to-rear bracket bolt and flag nut until snug.
- Install the new spring-to-front bracket bolt and flag nut until snug.
- Position the spring upper plate and install the U-bolts and nuts.
- Tighten until snug.
- Install the new shock absorber lower nut and bolt.
- Tighten until snug.
- Install the wheel and tire. For additional information, refer to WHEELS & TIRES article.
- Lower the vehicle until the weight of the vehicle is resting on the wheels and tires (curb height).
- Tighten the new shackle-to-rear bracket bolt to 133 Nm (98 lb-ft).
- Tighten the shackle-to-leaf spring nut to 133 Nm (98 lb-ft).
- Tighten the spring-to-front bracket bolt to 350 Nm (258 lb-ft).
- Tighten the U-bolt nuts evenly in an X-type pattern in 5 stages.
- Stage 1: Tighten to 50 Nm (37 lb-ft).
- Stage 2: Tighten to 100 Nm (74 lb-ft).
- Stage 3: Tighten to 150 Nm (111 lb-ft).
- Stage 4: Tighten to 200 Nm (148 lb-ft).
- Stage 5: Tighten to 225 Nm (166 lb-ft).
- Tighten the shock absorber lower nut to 103 Nm (76 lb-ft).
NOTE:
When installing new U-bolts, the measurement between A and B should be 107 mm (4.21 in) ± 3 mm (0.12 in) for E150/E250/E350 vehicles and 112 mm (4.41 in) ± 3 mm (0.12 in) for E450 vehicles. This is important for providing the correct U-bolt clamp load and retention of parts.