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Service bulletins for the 1991 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.

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

By type

By component

Bulletins, newest first
D-20-02 Rev. A2020-05-26. Service bulletin. EQUIPMENT. DIPAP Requirements - Addition of Jeep Wrangler (JL/JK) and Jeep Gladiator (JT) Hard Top and Targa Top Panel Replacements - All Dealers (Rev. A)
0800600REV2001-04-03. Service bulletin. ELECTRICAL SYSTEM. SUBJECT REGARDING WIRE SPLICE REPAIRS. *SB
0806002000-04-12. Service bulletin. ELECTRICAL SYSTEM:WIRING. THIS BULLETIN PROVIDES A REVISED WIRE SPLICE PROCEDURE AND RELATED PARTS. *TT
0703972000-01-07. Service bulletin. ENGINE AND ENGINE COOLING. CONCERNS WITH ENGINE COOLANT USAGE. *NLM
0816981999-11-12. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. INFORMATION ON INSTALLATION OF RADIO TRANSMITTING EQUIPMENT. *AK
1107981999-02-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. OUTER EXHAUST MANIFOLD STUDS MAY FATIGUE/BREAK. *AK
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
986981998-03-30. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. RECALL NOTIFICATION AND PROCEDURE ON CATALYTIC CONVETER AND CARBURETOR. *YC
0703971997-11-13. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. VARIOUS CAR OWNER'S HAVE EXPRESSED INTEREST IN USING ENGINE COOLANTS MADE WITH PROPYLENE GLYCOL INSTEAD OF ETHYLENE GLYCOL. *YC
2303971997-07-17. Service bulletin. STRUCTURE:FRAME AND MEMBERS. DIFFICULT TO CLEAN LIGHT COLORED "CHALKY" RESIDUE FROM PLASTIC BODY COMPONENTS THAT ARE MOLDED IN BLACK. *TW

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