To avoid burns, it is recommended to start work after the exhaust system has cooled down.
We disconnect the block of wires of the diagnostic oxygen concentration sensor from the wiring harness of the engine management system (see Removing oxygen concentration sensors).
Separate the flanges of the pipes of the additional muffler and the intermediate pipe and remove the sealing gasket (see Replacing the additional muffler).
With a penetrating liquid, for example brand GANK, we moisten the nuts securing the intermediate pipe flange to the catalytic converter flange.
With a "14" head, we unscrew the nut of the bolt securing the flanges of the intermediate pipe and the catalytic converter, holding the bolt from turning with a wrench of the same size and the nuts of the two studs.
We shift the pipe flange from the studs and remove the sealing gasket.
We insert a screwdriver into the hole in the suspension cushion of the exhaust system..
... and remove the pillow from the bracket of the intermediate pipe.
We remove the intermediate pipe.
If the rubber cushion of the intermediate pipe suspension has lost its elasticity or is torn, replace it with a new one.
We install new gaskets in the flange connections of the pipe of the additional muffler with the intermediate pipe and the intermediate pipe with the catalytic converter.
Further installation of the intermediate pipe is carried out in the reverse order.