1990 Jeep Wrangler technical service bulletins

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

• Mar 4, 2020 Service bulletinDIPAP Requirements
• Dec 29, 2000 Service bulletinSubject regarding wire splice repairs
• Feb 25, 2000 Service bulletinThis bulletin provides a revised wire splice procedure and related parts
• Apr 17, 1998 Service bulletinInformation on installation of radio transmitting equipment
• May 9, 1997 Service bulletinVarious car owner's have expressed interest in using engine coolants made with propylene glycol instead of...
• May 9, 1997 Service bulletinConcerns with engine coolant usage
• Feb 14, 1997 Service bulletinDifficult to clean light colored "chalky" residue from plastic body components that are molded in black
• Oct 1, 1995 Service bulletinApplies to vehicles equipped with a 4.2L engine and federal high altitude emission control system
• May 1, 1995 Service bulletinUnknown
• Apr 1, 1995 Service bulletinRecall 558 - failure of the oxygen sensor and catalytic converter may cause a vehicle to be in violation...
• Dec 1, 1994 Service bulletinIt has been determined that the 1990 jeep vehicle, equipped with the 2.5L engine, may be in violation of...
• Nov 1, 1994 Service bulletinHydrocarbon and carbon monoxide emissions levls for the above listed model vehicles may exceed the limits...