volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Removing and installing O-rings for unit injector > < Assembly overview - intake manifold flap
Assembly overview - unit injector
Assembly overview - unit injector
t  Observe rules for cleanliness → Chapter
t  Always renew seals and O-rings
   
1 - 20 Nm + turn 90° further
q   Renew
q   Note sequence when loosening and tightening → Chapter Removing and installing unit injector
2 - Rocker arm shaft
q   With rocker arm.
q   Removing and installing → Chapter, Removing and installing unit injector.
3 - Lock nut, 30 Nm
4 - Adjustment screw
q   Renew if installing new unit injector or if signs of wear are evident
q   Adjusting → Chapter Removing and installing unit injector
5 - Unit injector
q   Check ball pin for signs of wear, replace if necessary.
q   Removing and installing → Chapter
6 - O-ring
q   Renew → Chapter.
7 - O-ring
q   Renew → Chapter.
8 - O-ring
q   Renew → Chapter.
9 - Heat insulation seal
q   Renew
10 - Circlip
11 - Cylinder head
12 - Tensioning block
13 - 12 Nm + turn 270° further.
q   Renew

   

Removing and installing O-rings for unit injector > < Assembly overview - intake manifold flap