Subaru Legacy/Outback

1999-2003 of release

Repair and car operation



Subaru Legasi, Autbek
+ Cars Subaru Legacy, Outback
+ The operation manual
+ Routine maintenance
+ The engine
+ Systems of cooling, heating
- The power supply system and release
   Specifications
   + System of injection of fuel
   + Control systems of the engine and decrease in toxicity of the fulfilled gases
   - System of release of the fulfilled gases
      Removal and installation of sections of system of release of the fulfilled gases
+ Engine electric equipment
+ Manual box and differential
+ Automatic transmission
+ Coupling
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment





System of release of the fulfilled gases

The general information

Models 2.0 and 2.5 l

Design of system of release of the fulfilled gases (models 2.0 and 2.5 l with OBD II)

1 — the Right reception pipe
2 — the Left reception pipe
3 — Forward каталитический the converter
4 — the Dokatalitichesky ljambda-probe
5 — the Postkatalitichesky ljambda-probe

6 — the Central pipe
7 — Back каталитический the converter
8 — the Resonator
9 — Back section
10 — the Muffler


Design of system of release of the fulfilled gases (models 2.0 and 2.5 l with OBD Subaru, equipped catalytic the converter)

1 — the Right reception pipe
2 — the Left reception pipe
3 — Forward каталитический the converter
4 — the Ljambda-probe
5 — the Central pipe

6 — Back каталитический the converter
7 — the Resonator
8 — Back section
9 — the Muffler


Design of system of release of the fulfilled gases (models 2.0 and 2.5 l with OBD Subaru, without каталитического the converter)

1 — the Right reception pipe
2 — the Left reception pipe
3 — the Central pipe

4 — the Resonator
5 — Back section
6 — the Muffler


On models 2.0 and 2.5 l the final path consists of assemblage of reception pipes, каталитических converters (at a corresponding complete set), the central pipe, back section and the muffler. Forward каталитический the converter fastens directly to reception assemblage, back is built in in a back part of the central section. For the purpose of decrease in level of a noise background the point of connection of reception pipes of forward section of system of release is located on equal removal from final ports of the engine, and in a back part of system, besides the 16-litre muffler resonators (on latest models of 2.5 l are equipped by resonators also both receptions of a pipe) are established.

L models 3.0

Design of system of release of the fulfilled gases (model 3.0)

1 — Right докаталитический a ljambda-probe
2 — Left докаталитический a ljambda-probe
3 — the Right reception pipe
4 — the Left reception pipe
5 — Right forward каталитический the converter
6 — Left forward каталитический the converter

7 — Back каталитический the converter
8 — the Postkatalitichesky ljambda-probe
9 — the Resonator
10 — Back section
11 — the Muffler


Design of the muffler with a variable direction of a stream

1 — Small turns of the engine

2 — High turns of the engine


The design of system of release of the fulfilled gases is presented on an illustration.

Distinctive feature of system of release on l models 3.0 is use of the muffler equipped with the special valve-switch with a variable direction of the stream considerably reducing level of a noise background published by the engine.
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