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Service bulletins for the 1999 Ford Explorer

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.

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

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
CSP-08B012008-10-24. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. FORD: CERTAIN 1999-2001 MODEL YEAR VEHICLES UP TO 6000 LB GVWR REGISTERED IN NEW YORK AND CERTAIN 2001 VEHICLES UP TO 6000 LB GVWR REGISTERED IN THE STATE OF MAINE, CERTIFIED FOR SALE IN CALIFORNIA-FEDERAL EMISSION WARRANTY REFUND. *PE
0208012005-01-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. RATTLE NOISE FROM PRIMARY CHAIN DRIVE AREA 2000-3000 RPM - 4.0L SOHC ENGINE. *TT
022212004-07-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE-GEAR DRIVEN SYNCHRONIZERS-INCORRECT INSTALLATION-CAMSHAFT POSITION SYNCHRONIZER (CMP) INSTALLATION TOOL CORRECT APPLICATION. *MJ
031992003-11-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. RATTLE/BUZZ SOUND FROM UNDER THE VEHICLE ON 4.0L SINGLE OVERHEAD CAM (SOHC) ENGINES. *TT
8701972003-03-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INCORRECTLY INSTALLED GEAR DRIVEN CAMSHAFT POSITION (CMP) SENSOR SYNCHRONIZER ASSEMBLIES CAUSING SURGE, LOST OF POWER, MALFUNCTION INDICATOR LAMP ON AND DIAGNOSTIC TROUBLE CODES P1336, P1309 AND P0340. *TT
02812002-12-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES EQUIPPED WITH THE 4.0 SOHC (SINGLE OVER-HEAD CAM) ENGINE MAY EXHIBIT A PRIMARY TIMING CHAIN RATTLE NOISE. *TT
02762002-11-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. INFORMATION ON DIAGNOSING ENGINE RATTLE NOISE FROM PRIMARY CHAIN DRIVE AREA BETWEEN 2000-3000 RPM ON COLD ENGINE OPERATION ONLY. *TT
154962002-04-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES BUILT BEFORE APRIL 23, 2001 MAY EXHIBIT A HARD START/LONG CRANK AFTER SITTING FOR AN HOUR OR MORE DUE TO FUEL SYSTEM CONTAMINATION. *TT
154702002-04-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. CONCERNS WITH SPARK KNOCK NOISE OR CHAIN RATTLE NOISE BETWEEN 2000-3000 RPM, DURING COLD ENGINE OPERATION ONLY. *TT
012462002-04-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. ENGINE OIL SYSTEM PRIMING PROCEDURES, SERVICE TIPS FOR REPORTS OF PREMATURE ENGINE FAILURE. *TT
154222002-04-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES MAY EXHIBIT A HARD START/LONG CRANK CONDITION AFTER SITTING FOR AN HOUR OR MORE. *TT
155672002-04-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES BUILT BEFORE APRIL 23, 2001 MAY EXHIBIT A HARD START/LONG CRANK AFTER SITTING FOR AN HOUR OR MORE. *TT
150402002-04-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES INCLUDING 1997 THROUGH 1999 EXPLORER SPORT TRAC EQUIPPED WITH A 4.0L SOHC ENGINE MAY EXHIBIT A START-UP NOISE FROM THE LEFT FRONT OF THE ENGINE. *TT
02142002-04-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME ENGINE ASSEMBLIES WITH ALUMINUM CYLINDER HEADS REPAIRED IN-VEHILE HAVE BEEN FOUND TO LEAK COOLANT AND/OR OIL FROM THE CYLINDER HEAD GASKET AREA. *TT
012052002-02-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES MAY EXHIBIT VACUUM OR AIR LEAKS IN THE INTAKE MANIFOLD AND / OR ENGINE SYSTEM CAUSING DIAGNOSTIC TROUBLE CODES P0171 AND OR P0174. *TT
011972002-02-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES EQUIPPED WITH THE 4.0L OHV ENGINE MAY EXHIBIT AN ENGINE NOISE WHICH MAY BE PERCEIVED BY THE CUSTOMER AS A PISTON / ONNECTING ROD BEARING KNOCK. *TT
152262001-12-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES EQUIPPED WITH A 4.0L OHV ENGINE MAY EXHIBIT AN ENGINE NOISE THAT MAY BE PERCEIVED BY THE CUSTOMER A S ADIESEL TYPE NOISE AND IS KNOWN AS MARBLE NOISE. *TT
151382001-11-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES MAY EXHIBIT A HESITATION ON ACCELERATION DURING ENGINE WARM-UP. *SLC
150062001-10-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES WITH 4.0L SOHC ENGINES MAY MAKE A START-UP NOISE FROM THE LEFT FRONT OF THE ENGINE. *TT
150402001-09-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME EXPLORER / SPORT / SPORT TRAC EQUIPPED WITH A 4.0L SOHC ENGINE MAY EXHIBIT A START-UP NOISE CONDITION FROM THE LEFT FRONT OF THE ENGINE. *TT
144892001-08-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES BUILT THROUGH 01/1999, EQUIPPED WITH A 5.0L ENGINE MAY EXHIBIT A COLD START OR HOT ENGINE DECELERATION NOISE COMING FROM THE #5 CYLINDER. *TT
148682001-05-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES EQUIPPED WITH THE 4.0 SOHC ENGINE MAY EXHIBIT A PRIMARY CHAIN RATTLE NOISE (SOMETIMES DESCRIBED AS A SPARK KNOCK-TYPE NOISE). *TT
146172001-04-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. SUBJECT PERTAINING TO BROKEN THERMOSTAT. *JB
145832001-04-02. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. CONCERNS WITH BROKEN THERMOSTATS ON ENGINES. *JB
145602001-04-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. VEHICLES MAY EXPERIENCE START UP TIMING CHAIN NOISE. *JB

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