Two technical service bulletins have been issued for HWH vehicles. The components associated with the service bulletins were structure body and engine.
| Bulletin Date: | Feb. 13, 2003 |
| Component: | Structure body. |
| Bulletin Summary: | Return policy for hwh hose warranties. |
| HWH models covered in this TSB: |
HWH Jack.
|
| Bulletin Date: | Dec. 9, 1997 |
| Component: | Engine. |
| Bulletin Summary: | Jake brake units and mounting bolt changes. |
| HWH models covered in this TSB: |
HWH Jack.
|