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Service bulletin 7539

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id610865
Published by NHTSA2000-05-16
Manufacturer's number7539
Manufacturer's date1999-11-01
NHTSA componentVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE

NHTSA's summary

CLIMATE CONTROL IS INVESTIGATING A CONDITION WHERE SOME TRUCKS MAY EXHIBIT A LEAKING HEATER CORE. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Glass, wipers and mirrors, Heating and air conditioning

Vehicles listed
FORD F7001999
FORD F8001999

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
135152000-11-29. Service bulletin. INFORMATION ON VEHICLES EXHIBITING NO HEAT / LEAKING HEATER CORE. *TT