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Service bulletins for the 1998 Ford Expedition

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.

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

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By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
127982001-01-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES EQUIPPED WITH ENGINES PRODUCED BY WINDSOR ENGINE PLANT MAY EXHIBIT AN ENGINE KNOCK AT INITIAL COLD STARTUP. *TT
46642001-01-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. THIS BULLETIN STATES THAT FOR CERTAIN VEHICLES IT IS NOT POSSIBLE TO SET THE CHECK ENGINE LIGHT AND SET DIAGNOSTIC TROUBLE CODE P0455 (EVAPORATIVE EMISSIONS GROSS LEAK) IF A CUSTOMER REFUELS THE VEHICLE WITH THE ENGINE RUNNING. *TT
46382001-01-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. MALFUNCTION INDICATOR LAMP ON, WITH P0300 - P0308 MISFIRE DIAGNOSTIC TROUBLE CODES WITH A 4.6L ENGINE. *TT
133312000-11-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES EQUIPPED WITH ENGINES PRODUCED BY WINDSOR ENGINE PLANT MAY EXHIBIT AN ENGINE KNOCK AT INITIAL COLD STARTUP. *TT
71942000-11-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SUBJECT REGARDING FORD QUALITY RENEWAL (FQR) ASSEMBLY LAUNCH OF 4.6L 2V ENGINE. *TT
127202000-11-09. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. SOME VEHICLES MAY DEVELOP A COOLANT LEAK AT THE WORM GEAR CLAMP LOCATED AT THE JOINT BETWEEN THE METAL INTAKE COOLANT TUBE AND THE FLEXIBLE RUBBER COOLANT HOSE. *TT
98-47382000-11-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. COLD ENGINE KNOCK 5.4L ACTION. *AK
127672000-11-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. EXHIBITING A VIBRATION THAT MAY BE INTERPRETED AS AN NVH CONDITION. *TT
62322000-11-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. SOME VEHICLES MAY DEVELOP A COOLANT LEAK AT THE WORM GEAR CLAMP LOCATED AT THE JOINT BETWEEN THE METAL INTAKE COOLANT TUBE AND THE COIL RESULTING IN ENGINE MISFIRE WITH DIAGNOSTIC TROUBLE CODE P0304 AND / OR ROUGH IDLE. *TT
001232000-09-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES MAY EXPERIENCE SPARK KNOCK DURING LIGHT-TO-MODERATE ACCELERATIONS. *TT
115302000-08-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. WHEN DIAGNOSING CRANK / NO START ON CERTAIN VEHICLES EQUIPPED WITH PASSIVE ANTI-THEFT (PATS) CHECK THE CUSTOMERS KEY RING FOR ANY MAGNETIC OBJECTS LIKE THE MOBILE SPEEDPASS KEY WHICH MAY AFFECT THE SIGNAL TRANSMISSION BETWEEN THE PATS KEY AND THE VEHICLE TRANSCEIVER. *TT
80582000-07-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES WITH 4.6L FQR ENGINE ASSEMBLIES MAY HAVE A SMALLER KNOCK SENSOR THREADED HOLE THAN THAT IN ORIGINAL EQUIPPED ENGINE ASSEMBLIES. **MR
121702000-06-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. INFORMATION CONCERNING THE OCTANE SHORTING BAR LOCATED ON THE PASSENGER SIDE OF ENGINE COMPARTMENT NEAR THE BULKHEAD IS NOT INTENDED TO BE FUNCTIONAL IN REDUCING DETONATION/SPARK KNOCK. *MJS
9850622000-06-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SUBJECT REGARDING IDLE VIBRATION (REPEAT MESSAGE). *TT
9850592000-06-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. EXPERIENCING COLD ENGINE KNOCK (REPEAT / REVISED MESSAGE). *TT
121392000-06-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES EQUIPPED WITH 4.6L OR 6.8L ENGINES MAY EXHIBIT A COLD START ENGINE NOISE UNTIL WARMED UP. *MJS
138322000-06-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES WITH 4.6L FQR ENGINE ASSEMBLIES MAY HAVE A SMALLER KNOCK SENSOR THREADED HOLE THAN THAT IN ORIGINAL EQUIPPED ENGINE ASSEMBLIES. *TT
81632000-06-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES WITH 4.6L, OR 6.8L ENGINES MAY EXHIBIT A ROLLER FINGER FOLLOWER COMING OFF DURING ENGINE CRANKING IN COLD TEMPERATURES BELOW ZERO DEGREES F. A ONE-TIME NOISE FROM THE ENGINE MAY BE HEARD, FOLLOWED BY ROUGH RUNNING / MISSES, NO START, LACKS POWER AND A CHECK ENGINE LIGHT (MISFIRE DIAGNOSTIC TROUBLE CODES). *TT
80582000-06-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SOME VEHICLES WITH 4.6L FQR ENGINE ASSEMBLIES MAY HAVE A SMALLER KNOCK SENSOR THREADED HOLE THAN THAT IN ORIGINAL EQUIPPED ENGINE ASSEMBLIES. *TT
63502000-05-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES EQUIPPED WITH ENGINES PRODUCED BY WINDSOR ENGINE PLANT MAY EXHIBIT AN ENGINE KNOCK AT INITIAL COLD STARTUP. *TT
133222000-04-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES MAY EXHIBIT AN ENGINE KNOCK AT INITIAL COLD STARTUP. *TT
9815122000-04-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. A DIRECT REPLACEMENT PART FOR THE EVAPORATIVE EMISSION CANISTER AND BRACKET ASSEMBLY. AK
71552000-03-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. VEHICLES EQUIPPED WITH WINDSOR ENGINES ONLY MAY EXHIBIT AN ENGINE KNOCK AT INITIAL COLD STARTUP. *TT
132852000-03-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. EXPERIENCING ENGINE KNOCK AT INITIAL COLD STARTUP. *TT
98112641999-09-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. CONCERNS WITH TICKING NOISE ON INITIAL COLD START-UP IN PARK AND NEUTRAL POSITION. *TT

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