1990 Jeep Comanche TSBs
10 Technical Service Bulletins across 6 categories
Other
3 bulletinsSUBJECT REGARDING WIRE SPLICE REPAIRS.
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*SB
THIS BULLETIN PROVIDES A REVISED WIRE SPLICE PROCEDURE AND RELATED PARTS.
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*TT
UNKNOWN
Engine
3 bulletinsCONCERNS WITH ENGINE COOLANT USAGE.
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*NLM
VARIOUS CAR OWNER'S HAVE EXPRESSED INTEREST IN USING ENGINE COOLANTS MADE WITH PROPYLENE GLYCOL INSTEAD OF ETHYLENE GLYCOL.
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*YC
IT HAS BEEN DETERMINED THAT THE 1990 JEEP VEHICLE, EQUIPPED WITH THE 2.5L ENGINE, MAY BE IN VIOLATION OF FEDERAL EMISSIONS STANDARDS.
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HYDROCARBON, CARBON MONOXIDE AND OXIDES OF NITROGEN LEVELS COULD BE ABOVE ALLOWABLE LIMITS, WHICH WERE ESTABLISHED TO PROTECT THE PUBLIC HEALTH FROM THE DANGERS OF AIR POLLUTION. TO CORRECT THIS PROBLEM, DEALERS WILL REPLACE THE OXYGEN SENSOR. *TW
Transmission
1 bulletinAUTOMATIC TRANSMISSION FLUID USAGE ATF+4.
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*TT *MJ
Infotainment
1 bulletinINFORMATION ON INSTALLATION OF RADIO TRANSMITTING EQUIPMENT.
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*AK
Body & Paint
1 bulletinDIFFICULT TO CLEAN LIGHT COLORED "CHALKY" RESIDUE FROM PLASTIC BODY COMPONENTS THAT ARE MOLDED IN BLACK.
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*TW
Electrical
1 bulletinRECALL 558 - FAILURE OF THE OXYGEN SENSOR AND CATALYTIC CONVERTER MAY CAUSE A VEHICLE TO BE IN VIOLATION OF CALIFORNIA EMISSIONS STANDARDS.
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TO CORRECT THIS CONDITION, THE OXYGEN SENSOR AND CATALYTIC CONVERTER MUST BE REPLACED WITH IMPROVED DESIGN PARTS. *TW