Car exhaust system Renault Scenic 1

General description of the exhaust system
The exhaust system consists of a downpipe with a catalytic converter, additional and main mufflers (see illustrations 1.0a, 1.0b, 1.0c). Gasoline engines with a regulated catalytic converter have an oxygen sensor...

Operating principle of the catalyst
The catalyst consists of a ceramic monolith 3 with a honeycomb structure, covered with a protective layer. The protective layer contains salts of noble metals, which ensure the process of cleaning the exhaust gas. In...

Servicing cars with a catalytic converter
To avoid damage to the lambda probe and catalytic converter, it is necessary to strictly follow the following recommendations: Petrol engines a) Use only unleaded petrol; b) Forced starting of a warm engine by pushing...

Exhaust system — leak test
In vehicles with a regulated catalytic converter, leaks in the exhaust system in the section located before the oxygen sensor can lead to the following malfunctions: a) difficulty starting the engine; b) engine shaking...

Exhaust system — removal and installation
Removal Attention! All exhaust system parts can be replaced separately. Attention! When installing the exhaust system parts in place, ensure that they are tightly joined. Otherwise, deviations from the norm will...

Mufflers — removal and replacement
Despite the fact that the exhaust system is one piece (except for cars with a 1.4-/1.6-liter petrol engine (K4J/K4M), the mufflers and catalytic converter can be changed separately by cutting the connecting pipe at the...

Catalyst — removal and installation
SCENIC cars with 1.4-/1.6-liter petrol engines. Removal Caution! For dismantling, you will need the special RENAULT Tav. 1233-01 tool for lowering the supporting frame. 1 Disconnect the ground (-) cable terminal from...

Lambda probe — removal and installation
The lambda probe is designed to regulate harmful impurities in the CO of gasoline engines. It is installed in the exhaust pipe before the catalytic converter or on the exhaust manifold. The procedure for removing and...

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