V-belt — removal and installation (VW Golf 5)

All auxiliary units are driven by a V-belt.

Depending on the configuration and engine type, such units are:

• generator;
• water pump:
• air conditioning compressor (see illustration 19.0).

Tension of the brook (poly-V-shaped) the belt is tensioned by a tension roller. Checking the V-belt tension is not required as part of maintenance.

Attention! If you plan to reinstall the V-ribbed belt after removing it, mark its rotation direction with a marker or chalk before removing it. The engine rotates to the right, i.e. clockwise, when viewed from the V-ribbed belt side. If the belt is installed against the previous rotation direction, this will increase its wear and may also lead to a break.

Vehicles with diesel engine, 16 liter petrol engine BGU/BSE/BSF, 2.0 liter petrol engine (T)FSI AXW/BLR/BLX/BLY/AXX

Please note! The arrangement of the V-belt drive components in vehicles with a 1.6 litre BGU/BSE/BSF petrol engine and a 2.0 litre (T)FSI petrol engine is virtually identical.

Removal

1. Remove the engine splash guard (protection), see the relevant chapter.

2. Vehicles with diesel engines. Remove the fuel filter from the mounting bracket and set it aside from the work area without disconnecting the fuel hoses from the filter.

3. Mark the direction of rotation of the V-belt by drawing an arrow on it with chalk or a felt-tip pen.

4. Loosen the V-belt tension by placing a wrench on the tensioner protrusion and moving the tensioner in the direction of the arrow as shown in the illustration.





5. Diesel vehicles: Turn the belt tensioner until the VW-T10060 roller can be inserted into the locking holes (see A in the illustration), a 5 mm drill or a 4 mm Allen key and lock the tensioner.



6. Cars with 1.6-/2.0-litre petrol engine: Turn the belt tensioner until the VW-T 10060 roller can be inserted into the locking holes (see in the illustration) or a suitable drill.



7. Remove the V-belt.

Installation

Attention! If after removing the V-belt the auxiliary units driven by it were dismantled, check the fastening of the units before laying the belt.

Caution: When reinstalling the old V-belt, observe its direction of rotation, which should have been marked before removal.

8. Lay the V-belt. Start laying it from the belt pulley on the crankshaft.



Lastly, the belt is placed on the generator pulley (see illustrations 19.8 and 19.8a).



9. Turn the tensioner slightly clockwise to loosen the locking roller, remove the roller and release the tensioner.

10. Ensure that the V-belt is tight against all accessory pulleys.

11. Vehicles with diesel engines: Reinstall the fuel filter.

12. Reinstall the engine splash guard, see the relevant chapter.

Vehicles with 1.4-/1.6-litre FSI petrol engine BKG/BLN/BAG/BLF/BLP

Removal

13. Remove the V-belt protective cover.

14. Use a 16 mm wrench to turn the tension roller counterclockwise by the mounting bolt (see arrow in illustration) and lock it with a 4mm Allen key (see 1 in the illustration).



15. Remove the V-belt. If it is damaged, replace it with a new one.

Installation

Caution: When reinstalling the old V-belt, observe its direction of rotation, which should have been marked before removal.

16. Lay the V-belt. Start laying it from the belt pulley on the crankshaft (see illustrations 19.16 and 19.16a).





17. Turn the tensioner slightly counterclockwise to loosen the locking roller, remove the roller and slowly release the tensioner.

18. Ensure that the V-belt is tight against all accessory pulleys.

19. Install the V-belt protective cover.

Cars with a 1.4-liter gasoline engine VSA

Removal

20. Remove the V-belt protective cover.

21. Remove the right mudguard, see the corresponding chapter.

22. Use a wrench to turn the tension roller clockwise by the mounting bolt (see arrow in illustration) and lock it, for example, with a VW-T 10060 roller (see A in the illustration).



23. Mark the direction of rotation of the V-belt by drawing an arrow on it with chalk or a felt-tip pen.

24. Remove the V-belt. If it is damaged, replace it with a new one.

Installation

Caution: When reinstalling the old V-belt, observe its direction of rotation, which should have been marked before removal.

25. Lay the V-belt. Start laying it from the belt pulley on the crankshaft (see illustration).



26. Turn the tensioner slightly clockwise to loosen the locking roller, remove the roller and slowly release the tensioner.

27. Ensure that the V-belt is tight against all accessory pulleys.

28. Install the V-belt protective cover.

29. Install the right mudguard liner, see the relevant chapter.



The original information is posted on the website [vwmanual]