1991 Jeep Wrangler TSBs

10 manufacturer communications for the 1991 Jeep Wrangler sit in NHTSA's public file. A TSB is factory repair guidance, not a recall — the repair is not automatically free. The 1991 Wrangler problem report covers complaints, recalls, and investigations.

10Communications

What the bulletins cover

Engine5 bulletins
Electrical2 bulletins
Body & structure1 bulletin

Service bulletins

Service bulletin D-20-02 Rev. A March 4, 2020

DIPAP Requirements - Addition of Jeep Wrangler (JL/JK) and Jeep Gladiator (JT) Hard Top and Targa Top Panel Replacements - All Dealers (Rev. A)

Electrical 0800600REV December 29, 2000

SUBJECT REGARDING WIRE SPLICE REPAIRS.

Electrical 080600 February 25, 2000

THIS BULLETIN PROVIDES A REVISED WIRE SPLICE PROCEDURE AND RELATED PARTS.

Engine 110798 December 11, 1998

OUTER EXHAUST MANIFOLD STUDS MAY FATIGUE/BREAK.

Engine 110798 July 31, 1998

THE OUTER EXHAUST MANIFOLD STUDS MAY FATIGUE AND BREAK.

Service bulletin 081698 April 17, 1998

INFORMATION ON INSTALLATION OF RADIO TRANSMITTING EQUIPMENT.

Engine 98698 September 1, 1997

RECALL NOTIFICATION AND PROCEDURE ON CATALYTIC CONVETER AND CARBURETOR.

Engine 070397 May 9, 1997

VARIOUS CAR OWNER'S HAVE EXPRESSED INTEREST IN USING ENGINE COOLANTS MADE WITH PROPYLENE GLYCOL INSTEAD OF ETHYLENE GLYCOL.

Engine 070397 May 9, 1997

CONCERNS WITH ENGINE COOLANT USAGE.

Body & structure 230397 February 14, 1997

DIFFICULT TO CLEAN LIGHT COLORED "CHALKY" RESIDUE FROM PLASTIC BODY COMPONENTS THAT ARE MOLDED IN BLACK.

← 1991 Wrangler problems All Wrangler TSB years
Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.