Exhaust system design (1.4L petrol engine) (VW Polo 4)

1 - warm air intake

2 - bolts, 10 Nm
Ensure tightening 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

9 — plug
Black, 6-pin.

10 — plug
Black, 4-pin.

11 — oxygen sensor 2, 50 Nm

12 - double clamp

13 - to the pre-muffler

14 - nut, 25 Nm

15 - Front exhaust pipe with catalytic converter

16 — suspension cushion
Replace if damaged.

17 — nut*, 40 Nm

18 — sealing gasket*

*) Always replace.