Landcruiser 4WD L6-4.5L (1FZ-FE) (1993)
Bolt: 91511-61035, Nut: 94180-41000.
(c)
Remove the 2 bolts to disconnect the No. 3 front exhaust pipe assembly from the frame.
(d)
Loosen the clamp bolt and disconnect the clamp from the No. 1 support bracket.
NOTE:
Clamp bolt: 91621-60835.
(e)
Remove the 2 nuts and the No. 2 front exhaust pipe assembly from the No. 2 exhaust manifold.
NOTE:
Manifold stud bolt: 90126-10006.
(f)
Remove the gasket from the No. 2 front exhaust pipe assembly.
(g)
Remove the upper converter insulator cover
(h)
Remove the 2 nuts and the No. 1 front exhaust pipe assembly from the No. 1 exhaust manifold.
(i)
Remove the gasket from the No. 1 front exhaust pipe assembly.
5.
REMOVE OXYGEN SENSOR
(a)
Remove the 2 nuts, oxygen sensor cover, oxygen sensor and gasket from the No. 1 front exhaust pipe assembly.
(b)
Install a new gasket, right-side oxygen sensor (indicated by a yellow paint mark as shown in the illustration.), and the oxygen sensor cover to
the No. 1 front exhaust pipe assembly with 2 new nuts.