How to Replace Ball Joints in 2005-current Ford F450, F550 Steering Knuckles VSG1243
Step-by-step ball joint replacement on 2005-current Ford F450 and F550 steering knuckles: removal, installation, and the tools and part numbers used for each step. Except for the C-frame press itself, all of the tooling shown is made in our own machine shop outside Billings, Montana. Ball joints are OEM replacements.
Want it on paper? The IM1243 printed manual covers the full axle teardown and reassembly with torque specs.
IM1243 ManualBall Joints
| Part # | Description | Use |
|---|---|---|
| QK4988 | Ball joint set, one side | 2008–2016 |
| TK4782 | Greaseable ball joint set, one side | 2017 & newer |
Ball Joint Press Tools
| Part # | Description | Use |
|---|---|---|
| QT1065M | Long-throat C-frame press | Removal & install |
| QT1235 | Lower receiver | Removal |
| QT1236 | Upper receiver | Removal |
| QT1147 | Press stub | Removal |
| QT1239 | Upper installer | Install |
| QT1241 | Upper receiver | Install |
| QT1240 | Lower installer | Install |
| QT1238 | Lower receiver | Install |
Get every adapter at once: TS1243 8-piece ball joint press and adapter set.
Shop TS1243Other Parts Required
These seals are not reusable and need to be replaced during ball joint service.
| Part # | Description | Use |
|---|---|---|
| QU20052 | Axle shaft to knuckle seal | Replace |
| TS1531 | Knuckle seal installer | Tool for QU20052 |
| QU20045 | Hub to knuckle O-ring | Replace |
| QU20046 | Hub lock gasket & seal kit | Replace |
All of the above in one box: QK4681 axle, knuckle, and hub seal and tool kit.
Shop QK4681