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Service bulletins for the 1998 Jeep Wrangler

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.

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

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
R2118796A2021-05-03. Service bulletin. ENGINE AND ENGINE COOLING. Valve Body. These may cause over drive cycling.
222006-12-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REPROGRAM PCM AND INSPECT CATALYTIC CONVERTER. *KB
09010042004-05-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DIRT AND DEBRIS ACCUMULATION AT REAR MAIN SEAL. *TT
25004012001-07-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SUBJECT REGARDING ADDITIONAL DIAGNOSTIC FOR DIAGNOSTIC TROUBLE CODES CAUSED BY AN EVAPORATIVE SYSTEM LEAK. *TT
1801002000-04-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING MISDIAGNOSED LEAK DETECTION PUMP SYSTEMS WITH DIAGNOSTIC TROUBLE CODES P1494, P0442 P0455, OR P0456. *TT
0814991999-08-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. CONDITIONS WITH VEHICLE START AND STALL OR VEHICLE NO-START. *TT
1107981999-02-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. OUTER EXHAUST MANIFOLD STUDS MAY FATIGUE/BREAK. *AK
2502981999-01-20. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SUBJECT REGARDING I/M ( INSPECTION MAINTENANCE ) TESTING - OBD II "CARB" READINESS MONITOR INFORMATION. *YC
1107981998-10-26. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. THE OUTER EXHAUST MANIFOLD STUDS MAY FATIGUE AND BREAK. *YC
1828981998-10-15. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. ERRONEOUS MIL WITH DTC $71(PO441) -EVAP PURGE FLOW MONITOR FAILURE DUE TO INAPPROPRIATE FUEL LEVEL READINGS DURING THE TEST SEQUENCE. *AK
98071998-05-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SOME VEHICLES HAVE INCORRECT DIPSTICK INSTALLATION. *YC
9801301831971998-03-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT PERTAINING TO OBD II MISFIRE MONITOR. *YC

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