Service bulletins for the 1993 UD UD1800
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
5 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Transmission and driveline are shown. Show all
| 97073197TR11 | 1998-03-30. Service bulletin. POWER TRAIN. MAINSHAFT CHANGES FOR MLS61A AND MLS61B TRANSMISSIONS. *YC |
|---|---|
| PIL023R | 1995-03-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. OIL COOLER CORE CHANGE FOR ALLISON AUTOMATIC TRANSMISSIONS. *TW |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.