Technical Service Bulletins (TSBs) for the 1989 Wrangler are official communications between Jeep & their dealerships that describe processes for troubleshooting or fixing certain common problems.
All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
IT HAS BEEN DETERMINED THAT THE OXYGEN SENSOR ON CERTAIN 1989 JEEP CHEROKEE, COMANCHE AND WRANGLER MODELS EQUIPPED WITH A 2.5L ENGINE MAY BE SUSCEPTIBLE TO FAILURE. Read More »
IT HAS BEEN DETERMINED THAT CERTAIN EMISSION RELATED COMPONENTS OF THE 1989 JEEP EQUIPPED WITH THE 2.5L ENGINE, MAY BE SUSCEPTIBLE TO FAILURE. Read More »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
APPLIES TO VEHICLES EQUIPPED WITH A 4.2L ENGINE AND FEDERAL HIGH ALTITUDE EMISSION CONTROL SYSTEM. FUEL VAPORS MAY CAUSE DETERIORATION OF THE PCV HARNESS ASSEMBLY. Read More »
DIPAP Requirements - Addition of Jeep Wrangler (JL/JK) and Jeep Gladiator (JT) Hard Top and Targa Top Panel Replacements - All Dealers (Rev. A) Read More »