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International Automotive Technicians Network
Re: 1991 Lexus LS400 Heater Core
Posted to Technical Discussion Forum on 9/25/2006

Chris, Looks like you got your hands full on this one. Service procedure is: drain coolant, remove water valve, cooling unit, and blower unit. Remove water hose, insulator retainer, and safety pad. Remove rear vent ducts, and heater ducts. Remove duct between ... Login to read more.