1. Squeeze the clamps of the diagnostic oxygen concentration sensor wiring harness block and disconnect the block.
2. Remove downpipe suspension pads (see Replacement of pillows of a suspension bracket of system of release of the fulfilled gases).
3. Unscrew the three nuts securing the exhaust pipe flange to the collector flange..
4.... separate the flanges and remove the gasket.
5. Turn off two nuts of fastening of a flange of a reception pipe to a flange of the additional muffler …
6.... then remove the downpipe..
7.... and a sealing gasket.
Front…
... and the rear gaskets of the exhaust pipe flanges should be replaced with new ones each time the connection is disassembled, since highly compressed gaskets will not provide a reliable seal.
8. If you are replacing the downpipe and the new pipe does not have an oxygen sensor, unscrew it from the removed downpipe and install it on the new assembly.
9. Establish a reception pipe and all removed details in an order, the return to removal.
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