Service bulletins for the 1999 UD UD1400
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.
11 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Heating and air conditioning are shown. Show all
| 13995 | 2001-07-24. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; VEHICLE SPEED CONTROL:CRUISE CONTROL. SOME VEHICLES EQUIPPED WITH 4.0L SOHC MAY EXHIBIT A HIGHER THAN NORMAL BASE IDLE SPEED OF 1200-1400 RPM WHEN THE VEHICLE IS INITIALLY RECEIVED FROM THE ASSEMBLY PLANT. THIS HIGHER BASE IDLE STRAGETY IS NOW USED DURING PLANT / TRANSPORTATION OPERATION TO PREVENT SPARK PLUG FOULING. *TT |
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| AC06 | 2000-06-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. DIAGNOSTIC TIPS FOR LEAKING COMPRESSOR FITTINGS ON A UD1400 RED DOT A/C MODEL R-2170, MODEL YEAR 1994 AN AFTER. *MJS |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.