volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Assembly overview - air filter > < Assembly overview - fuel rail with intake manifold flap motor V157 , engine codes BLR, BLX, BLY
Assembly overview - fuel rail with intake manifold flap motorV157, engine codes BVX, BVY, BVZ
   
Assembly overview - fuel rail with intake manifold flap motor -V157-, engine codes BVX, BVY, BVZ
1 - Fuel pipe
q   Observe the safety precautions when releasing pressure in the high-pressure section → Chapter.
q   Counterhold pressure limiting valve when loosening union nut.
q   Before tightening union nut, check specified torque of pressure limiting valve.
q   Install free of tension.
q   Tighten union nut to 22 Nm.
2 - Hexagon socket head bolt
q   10 Nm
3 - Gasket
q   Renew
4 - Fuel rail with intake manifold flap motor -V157- and intake manifold flap potentiometer -G336-
q   If renewed, adapt to engine control unit → Vehicle diagnosis, testing and information system VAS 5051“Guided functions”
q   Removing and installing → Chapter
5 - Clamp
6 - Connecting piece
7 - Fuel pipe
q   Install free of tension.
8 - Banjo bolt
q   Renew.
q   15 Nm
q   With conical sealing seat
q   Ensure cleanliness.
9 - Nut
q   10 Nm
10 - Bolt
q   10 Nm
11 - Connector
q   For injectors.
12 - Pressure limiting valve
q   30 Nm
13 - Fuel pressure sender -G247-
q   Coat thread and sealing taper with clean engine oil.
q   22 Nm
q   Removing and installing → Chapter
q   Checking → Chapter
14 - Cable retainer
15 - Injector, cylinder 1 -N30- through injector, cylinder 4 -N33-
q   Removing and installing → Chapter
16 - Partition

   

Assembly overview - air filter > < Assembly overview - fuel rail with intake manifold flap motor V157 , engine codes BLR, BLX, BLY