| TSBÂ 15-0117 | 4X4 – REAR OF VEHICLE SITS LOWER THAN DESIRED UNDER LIGHT LOADS |
This article supersedes TSB 14-0161 to update the model years.
ISSUE:
Some customers with 2011-2016 F-250 Super Duty 4×4 vehicles want to raise the rear of their vehicle to change vehicle attitude appearance.
This procedure provides the necessary information for this modification in accordance with engineering specifications.
The modification is a customer responsibility and is not covered by New Vehicle Limited Warranty.
ACTION:
Follow the Service Procedure steps to perform the modification.
SERVICE PROCEDURE
Rear ride height may be increased by replacing the rear leaf spring spacer block along with additional components. Raising the rear ride height could affect fifth wheel trailer compatibility.
- Is the vehicle a 2014-2016 model year and equipped with a snow pre-package?
- No – proceed to step 2.
- Yes – no further action is required. The vehicle is already equipped with all the components listed in this procedure.
- Lower the rear axle and remove the original 5 cm (2″) rear spring spacers. Discard the spacers, U-bolts, and nuts. Refer to Workshop Manual (WSM), Section 204-02.
- Refer to the parts list chart for the correct part and vehicle application. (Figure 1)
- Install the 10 cm (4″) rear spring spacers, using new U-bolts and nuts.
- Replace the rear shock absorbers. Refer to WSM, Section 204-02.
- If the vehicle is equipped with a two-piece driveshaft, replace the driveshaft and center bearing bracket. Refer to WSM, Section 205-01 and proceed to Step 8.
- If the vehicle is equipped with a one-piece driveshaft, replace the driveshaft. Refer to WSM Section 204-02.
- If the vehicle is equipped with a camper package with rear suspension stabilizer bar, replace both rear stabilizer bar links. Refer to WSM, Section 204-02.
| PART NUMBER | PART NAME |
|---|---|
| F81Z-5598-FA | 4″ Block – LH – 137″ / 142″ |
| F81Z-5598-GA | 4″ Block – RH – 137″ / 142″ |
7C3Z-5598-HB  |
4″ Block – LH – 156″ / 158″ |
| 7C3Z-5598-JB |
4″ Block – RH – 156″ / 158″ |
| F81Z-5598-DA |
4″ Block – LH/RH – 172″ |
| BC3Z-5705-C |
U-BOLTS – 137″ / 142″ / 158″ |
| BC3Z-5705-G |
U-BOLTS – 156″ / 172″ |
| BC3Z-18125-AK | Shock – Gas – 137″ / 142″ |
| BC3Z-18125-U | Shock – Diesel – 137″ / 142″ |
| BC3Z-18125-AG |
Shock – Gas – 137″ / 156″ / 158″ |
| BC3Z-18125-V | Shock – Diesel – 137″ / 156″ / 158″ |
| BC3Z-18125-AM | Shock – Gas – 137″/142″ |
| BC3Z-18125-AH | Shock – Diesel – 137″ / 156″/ 158″ |
| BC3Z-18125-AA | Shock – Diesel – 137″ / 142″ |
| BC3Z-18125-AB |
Rear Shock – Diesel – 172″ / 156″ / 158″ |
| BC3Z-4602-AB | Driveshaft – Gas – 137″ |
| BC3Z-4602-AB | Driveshaft – Diesel – 137″ |
| BC3Z-4602-AJ | Driveshaft – Gas – 142″ |
| BC3Z-4602-AH | Driveshaft – Diesel – 142″ |
| BC3Z-4602-X | Driveshaft – 156″ |
| BC3Z-4R602-MY | Driveshaft – 158″ |
| BC3Z-4R602-PT | Driveshaft Gas – 172″ |
| BC3Z-4R602-PV | Driveshaft Diesel – 172″ |
| BC3Z-4R602-MP | Driveshaft – 172″ |
| 8C3Z-4831-D | Bearing Spacer – 158″ |
| 7C3Z-4831-G | Bearing Spacer – 172″ |
| DC3Z-5K484-B | Stabilizer Link |
| 7C3Z-4831-G | Bearing Spacer – 172″ / 156″ / 158″ |
WARRANTY STATUS
Information Only – Not Warrantable
DEALER CODING
| BASIC PART NO. | CONDITION CODE |
| NoWarranty | -1 |
Figure 1 – 15-0117
