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Service bulletin 12583

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 id605310
Published by NHTSA1999-06-08
Manufacturer's number12583
Manufacturer's date1999-03-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

SOME VEHICLES EQUIPPED WITH 4.0L OHV ENGINES MAY EXHIBIT A THUMPING NOISE FROM THE COOLING SYSTEM. *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

Engine, Cooling system

Vehicles listed
FORD EXPLORER1998, 1999
FORD RANGER1998, 1999

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
01B69S12001-05-22. Service bulletin. OWNER NOTIFICATION PROGRAM (SUPPLEMENT #1) REGARDING ELECTRIC COOLANT PUMP REPLACEMENT. REVISED TO REFLECT ELECTRIC COOLANT PUMP REPLACEMENT FOR ALL AFFECTED 1998 MODEL YEAR VEHICLES, WITHOUT THE NEED OF PERFORMING A WIGGLE TEST. *TT
01B692001-05-22. Service bulletin. OWNER NOTIFICATION PROGRAM NOTIFYING OWNERS THAT THEIR VEHICLE MAY HAVE AN ELECTRIC COOLANT PUMP THAT COULD MALFUNCTION UNDER CERTAIN DUTY CYCLES. THIS PRORAM INVOLVES POSSIBLE REPLACEMENT OF THE ELECTRIC COOLANT PUMP. *TT
146172001-04-03. Service bulletin. SUBJECT PERTAINING TO BROKEN THERMOSTAT. *JB
145832001-04-02. Service bulletin. CONCERNS WITH BROKEN THERMOSTATS ON ENGINES. *JB
129242000-12-13. Service bulletin. SOME VEHICLES MAY REQUIRE RADIATOR HOSE CLAMP REPLACEMENT DURING NORMAL VEHICLE SERVICE. *TT
65592000-05-10. Service bulletin. BRIEF INFORMATION REGARDING RADIATOR HOSE CLAMP FOR SERVICE. *TT
992382000-03-09. Service bulletin. A TEMPERATURE GAUGE FLUCTUATION AND / OR A KNOCKING / THUMPING NOISE MAY BE AUDIBLE INTHE PASSENGER COMPARTMENT ON SOME VEHICLES. *TT
99B152000-03-03. Service bulletin. OWNER NOTIFICATION PROGRAM REGARDING WATER PUMP REPLACEMENT FOR VEHICLES WITH WATER PUMP THAT MAY HAVE EXCESSIVE AXIAL RUNOUT OF THE WATER PUMP HUB THREADS WHICH COULD RESULT IN WATER PUMP FAILURE AND POSSIBLE ENGINE OVERHEATING. *TT