Remove oxygen sensor wire connector & clamp. Remove exhaust manifold & drain coolant. Remove
installation hole cover & 2 studs. Remove original silicone sealant from hole. Clean hole surfaces. Secure
heater in position with the bracket, bolts & lock washers provided. Connect cordset. Route cordset
through opening between right side of bumper & engine under-cover. For Avalon, route cordset through
opening beside right side of radiator and under right headlight. Secure cordset to the A/C suction pipe.
Replace engine components removed earlier. Refill coolant, run engine & check for leakage & coolant