Vehicle exhaust system Volkswagen Polo 4

Exhaust gas exhaust system
The exhaust system of a gasoline vehicle consists of an exhaust manifold with a front exhaust pipe and a catalytic converter, a middle exhaust pipe with a main muffler, and an...

Preventing Catalytic Converter Damage
To avoid damage to the catalytic converter, the following instructions must be followed without fail. Petrol engine car Be sure to use unleaded gasoline only. To start the engine...

Operation of the catalytic converter
The catalytic converter is designed to clean exhaust gases from harmful products. It consists of a ceramic honeycomb body -2-, which is covered with a carrier layer. On the...

Turbocharger for 1.4/1.9 l PD-TDI engine
In the turbocharger, two wheels, turbine and compressor, are installed on one shaft, which are located in housings separated from each other. The exhaust gases are used to drive...

Exhaust system device (1.2L petrol engine)
1 - warm air intake Install stress-free. 2 - bolts, 10 Nm 3 - exhaust manifold 4 - oxygen sensor 1, 50 Nm Before the catalytic converter. Apply G5 grease only to the threads....

Exhaust system device (1.4L petrol engine)
1 - warm air intake 2 - bolts, 10 Nm Tighten in sequence a, b, c. 3 - bolts, 40 Nm 4 - bracket 5 - exhaust manifold 6 - sealing gasket * 7 — nut*, 25 Nm 8 - oxygen sensor 1, 50 Nm...

Exhaust system device (1.4L diesel engine)
1 - sealing gasket * 2 - nut*, 25 Nm 3 - suspension cushion Replace if damaged. 4 - front exhaust pipe with catalytic converter 5 - marking 6 - approximate distance a = 5 mm 7 -...

Exhaust system device (1.9L diesel engine)
1 - sealing gasket * 2 - front exhaust pipe with catalytic converter 3 — nut*, 25 Nm 4 - suspension cushion Replace if damaged. 5 - tunnel suspension 6 - nut, 25 Nm 7 - double...

Removal and installation of system of release of the fulfilled gases
Note: Exhaust system components can be replaced individually. If the pre-muffler or after-muffler of the standard exhaust system needs to be replaced, the connecting pipe must be...

Replacing the pre/post muffler
At the factory, the pre-muffler and after-muffler are installed as one piece. However, mufflers can also be replaced individually. To do this, cut the connecting pipe at the...

Check of tightness of system of release of the fulfilled gases
Start the engine and, with the engine running, close the exhaust pipe with a rag or plug. Listen to the exhaust system for leaks. If necessary, spray the cylinder head/exhaust...

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