Jeep Wagoneer/Commando/Cherokee 1957-1983 Repair Information

Catalytic Converter

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All 1977-78 California models and all 1979 models are equipped with a catalytic converter. Most models use a single pellet-filled unit, while some California models use a single monolithic type unit.

The pellet type contains beads of alumina coated with platinum and palladium, contained in a stainless steel canister. A plug is provided in the unit for replacement of the beads if they become fouled. The monolithic unit uses an extruded core resembling a honeycomb. The core layers are coated with platinum and palladium. This unit is not serviceable.

 
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