TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
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EC/Emission Control Systems21 / 22
p.022
EMISSION CONTROL SYSTEMS — Three-Way Catalyst (TWC) System — MK3 Supra Emission Control Systems, page 21
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INSPECTION OF EXHAUST PIPE ASSEMBLY 1. CHECK CONNECTIONS FOR LOOSENESS OR DAMAGE 2. CHECK CLAMPS FOR WEAKNESS, CRACKS OR DAMAGE INSPECTION OF CATALYTIC CONVERTER CHECK FOR DENTS OR DAMAGE If any part of the protector is damaged or dented to the extent that it touches the catalyst, repair or replace it. INSPECTION OF HEAT INSULATOR 1. CHECK HEAT INSULATOR FOR DAMAGE 2. CHECK FOR ADEQUATE CLEARANCE BETWEEN CATALYTIC CONVERTER AND HEAT INSULATOR REPLACEMENT OF CATALYTIC CONVERTER 1. REMOVE CONVERTER (a) Jack up the vehicle. (b) Check that the converter is cool. (c) Remove the bolts at the front and rear of the converter. (d) Remove the converter and gaskets. 2. INSTALL CONVERTER (a) Place new gaskets on the converter front and rear pipes, and connect the converter to the exhaust pipes. (b) Tighten the bolts. Torque: Catalyst-Exhaust pipe 440 kg·cm (32 ft·lb, 43 N·m)