Technical Service Bulletin SC-23-091 — 2023 PROTERRA ZX5
ENGINE
Bulletin Details
| TSB ID | SC-23-091 |
| Manufacturer | |
| Vehicle | 2023 PROTERRA ZX5 |
| Component | ENGINE |
| Communication Date |
Bulletin Summary
This Technical Service Bulletin covers the procedure for replacing the Power Electronic Coolant Loop quick connect fittings with more durable brass fittings for 40ft ZX5.A0 buses.
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.