Remove the main muffler.
Remove the middle pipe.
Remove the three-way catalytic converter.
Remove the upper exhaust manifold heat shield with bracket.
Fig. 2.224. The order of unscrewing the bolts of the exhaust manifold
Unscrew the 7 exhaust manifold mounting bolts in the reverse order to that shown in Figure 2.224.
Remove the exhaust manifold gasket.
Remove the lower exhaust manifold heat shield.
Remove the front heated oxygen sensor.
Remove the rear heated oxygen sensor.
Fig. 2.225. Removing the heated oxygen concentration sensor using a special tool
Attention! Remove heated oxygen concentration sensors using a special tool (fig. 2.225).
Installation is carried out in the reverse order of removal.