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Service bulletins for the 1998 Ford F-150

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.

285 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Heating and air conditioning are shown. Show all

Bulletins, newest first
011562001-10-31. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE. SOME VEHICLES MAY EXHIBIT HEATER CORE LEAKS. *SLC
991962000-03-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. INFORMATION ON IDENTIFYING NON-APPROVED / ALTERNATE REFRIGERANTS WHICH COULD CAUSE SAFETY, AND PERFORMANCE CONCERNS IF INSTALLED IN FORD A/C SYSTEMS. *TT
991441999-11-24. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. VEHICLES MAY EXPERIENCE A MOANING NOISE HEARD AT APPROXIMATELY 1100 RPM WITH THE A/C COMPRESSOR ENGAGED. *TT
991281999-08-20. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. SOME VEHICLES MAY EXHIBIT A WHISTLING NOISE WHILE DRIVING WITH A/C IN THE OFF POSITION AT SPEEDS ABOVE 64 KM/H (40 MPH). *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.