1.6 MPI Timing Belt Replacement (BSE & BGU Engine)

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This is not a comprehensive guide, but I have a video of the whole process (up to the point of reassembly) for my own reference. It took me about 4-5 hours to do it the first time, including consulting the workshop manual and recording this video (which slowed me down considerably). I think it could be done in under two hours if I had to do it again. This is on a 1.6 MPI (engine code: BSE & BGU) in VAG models (Volkswagen, Skoda, Seat, Audi). The process should be similar for other VW 1.6 engines (BSF, CCSA, CMXA etc).

Parts Needed:
timing belt and tensioner (I used GATES K015489XS kit)
water pump (I used HEPU P572)

While you are at it, you could do the serpentine belt and tensioner as well (but it's not that much harder to do that one separately).

Tools needed:
socket set
12-point 19mm socket (or wrench) to turn the crank shaft
jack, jack stands, wheel chocks
hose clamp pliers (or not, if you unplug the fuel hose from the other end)
10-60 Nm torque wrench
OEM tool T10020 to set the timing belt tensioner

Interval:
Not specified by the manufacturer, but the general consensus seems to be 5 years/120,000 km. I did mine for the first time at 125,000km and ten years and the original OEM belt still looked OK.

Other useful videos:
   • [EN] Watch and Work - Audi A3 1.6l 75kW   - the whole process shown on engine out of the car
   • VW Golf 1,6L Zahnriemenwechsel Motor:...   - incl. torques for the re-assembly process
   • Výměna rozvodů Octavia I,II, Toledo 5...  
   • VW, Seat, Audi, Skoda - 1 6 MPI - Tim...  

Chapters:
0:00 Parts Overview
0:07 Passenger Side Wheel Removal
0:32 Removing The Wheel Arch Cover And Lower Engine Cover
0:52 Removing The Charcoal Tank
1:42 Clearing The Washer Fluid Reservoir
1:50 Coolant Reservoir Removal
2:15 Supporting The Engine
2:22 Removing Brackets And Left Engine Mount
2:50 Disconnecting Fuel Line
3:11 Removing Timing Belt Cover
3:29 Removing Engine Support Bracket
4:30 Removing Serpentine Belt
5:01 Rotating The Engine To Top-Dead Center (TDC)
5:24 Removing Serpentine Belt Tensioner
5:52 Removing Crankshaft Pulley
6:03 Removing Timing Belt Lower Cover
6:34 Loosening Old Timing Belt Tensioner And Removing Old Timing Belt
6:50 Removing Old Water Pump
7:30 Installing New Water Pump
8:10 Installing New Timing Belt Tensioner
8:27 Installing New Timing Belt
8:43 Setting The Tensioner
9:08 Double Checking Correct Tension

1.6 MPI Timing Belt Replacement (BSE and BGU Engine)
Смяна на ангренажен ремък 1.6 MPI (двигатели BSE и BGU)
Výměna rozvodového řemene 1.6 MPI (motor BSE a BGU)
Udskiftning af tandremmen til 1.6 MPI (BSE- og BGU-motor)
1.6 MPI Zahnriemenwechsel (BSE und BGU Motor)
Αντικατάσταση ιμάντα χρονισμού 1.6 MPI (κινητήρας BSE και BGU)
Sustitución de la correa de distribución del 1.6 MPI (Motor BSE y BGU)
1.6 MPI ajastusrihma vahetamine (BSE ja BGU mootor)
1.6 MPI-ajohihnan vaihto (BSE- ja BGU-moottori)
Remplacement de la courroie de distribution du 1.6 MPI (moteur BSE et BGU)
1.6 MPI vezérműszíj csere (BSE és BGU motor)
1.6 Penggantian Timing Belt MPI (Mesin BSE dan BGU)
1.6 MPI Sostituzione della cinghia dentata (motore BSE e BGU)
1.6 MPI paskirstymo diržo keitimas (BSE ir BGU varikliai)
1.6 MPI laika siksnas nomaiņa (BSE un BGU dzinējs)
1.6 Utskifting av MPI tannrem (BSE- og BGU-motor)
1.6 MPI Timing Belt Replacement (BSE en BGU Motor)
1.6 MPI Wymiana paska rozrządu (silnik BSE i BGU)
1.6 MPI Timing Belt Replacement (BSE e BGU Engine)
Înlocuirea curelei de distribuție 1.6 MPI (motor BSE și BGU)
1.6 MPI Замена ремня ГРМ (двигатель BSE и BGU)
Výmena rozvodového remeňa 1.6 MPI (motor BSE a BGU)
Zamenjava jermena zobate gredi 1.6 MPI (motorja BSE in BGU)
Byte av tandrem för 1.6 MPI (BSE- och BGU-motor)
1.6 MPI Triger Kayışının Değiştirilmesi (BSE ve BGU Motor)
1.6 Заміна ременя ГРМ MPI (двигуни BSE та BGU)