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Service bulletin 01M01

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 id619443
Published by NHTSA2001-05-31
Manufacturer's number01M01
Manufacturer's date2001-03-02
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

SUBJECT REGARDING ADDITIONAL COVERAGE ON THE FRONT CAM CHAIN GUIDE ASSEMBLY FOR RENTAL VEHICLES WITH 4.0L SINGLE OVERHEAD CAM (SOHC) ENGINES. *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

Vehicles listed
FORD EXPLORER1997, 1998
MERCURY MOUNTAINEER1997, 1998

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

Recalls for the same vehicles and component
20003082000-12-29. Engine
19990611999-04-15. Engine
19970721997-04-02. Engine

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
022212004-07-27. Service bulletin. ENGINE-GEAR DRIVEN SYNCHRONIZERS-INCORRECT INSTALLATION-CAMSHAFT POSITION SYNCHRONIZER (CMP) INSTALLATION TOOL CORRECT APPLICATION. *MJ
031992003-11-15. Service bulletin. RATTLE/BUZZ SOUND FROM UNDER THE VEHICLE ON 4.0L SINGLE OVERHEAD CAM (SOHC) ENGINES. *TT
8701972003-03-25. Service bulletin. 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
012462002-04-18. Service bulletin. ENGINE OIL SYSTEM PRIMING PROCEDURES, SERVICE TIPS FOR REPORTS OF PREMATURE ENGINE FAILURE. *TT
150402002-04-11. Service bulletin. 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. 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. 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. 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. 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
0701012001-10-30. Service bulletin. SUBJECT REGARDING OWNER NOTIFICATION PROGRAM 01M01 SUPPLEMENT #2: REVISED TECHNICAL INSTRUCTIONS AND NEW LABOR OPERATION. NLM