Location of units and components of the Volkswagen Polo

Location of components and assemblies under the hood

1  - expansion tank for the cooling system;

2  - support (reference point for the suspension of the power unit);

3  - block ABS (ABC);

4  - valve of the large sleeve of the crankcase ventilation system;

5  - air filter;

6  - the main cylinder of the brake system;

7  - vacuum brake booster;

8  - engine control unit;

9  - electronic unit for automatic transmission control;

10  - battery;

11  - mounting block of power inserts;

12  - fuse box;

13  - air duct;

14  - camshaft position phase sensor;

15  - pipeline of the small sleeve of the crankcase ventilation system;

16  - power plant (engine);

17  - air sensor (O ₂ , lambda probe);

18  - dipstick for checking the oil level;

19  - generator;

20  - oil filter;

21  - filler cap for oil filling;

22  - the neck of the washing tank;

23  - pipeline of the air conditioning system.

The location of components and assemblies under the hood from the bottom of the car

1, 14  - brake mechanisms;

2, 13  - suspension struts of the front suspension;

3, 12  - struts of the anti-roll bar of the front suspension;

4  - drive belt of secondary units (service);

5  - compressor of the air conditioning system;

6  - drain plug;

7  - engine;

8  - collector;

9  - oxygen sensor for diagnostics;

10  - checkpoint;

11  - plug for draining used oil from the gearbox;

15, 23  - front wheel drive;

16, 22  - front suspension arms;

17  - transverse beam of the front suspension;

18  - rear pillow (support) of the engine;

19  - receiving pipe;

20  - silencer;

21  - bar of the anti-roll bar of the front suspension.

Location of components and assemblies at the rear bottom of the car

1, 10  - brake system mechanisms;

2, 9  - suspension shock absorber;

3, 8  - main suspension spring;

4  - main (main) muffler;

5  - recess (niche) for a spare wheel;

6  - fuel tank ventilation pipeline;

7  - fuel pipeline, bulk, closed by a casing;

11  - fuel filter;

12  - gas tank;

13  - suspension support beam;

14  - intermediate silencer pipe;

15  - protective screen of the gas tank.

Source:  http://polosedan.ucoz.com/index/raspolozhenie_uzlov_i_agregatov_pod_kapotom_avtomobilja/0-6