VW Golf manuals

Volkswagen Golf Service & Repair Manual: Assembly overview - high-pressure pump

Assembly overview - high-pressure pump

1 -  Roller tappet
When installing lubricate lightly with clean engine oil
2 -  O-ring
Renew
When installing lubricate lightly with clean engine oil
3 -  High-pressure pump
With fuel pressure regulating valve -N276-.
Do not dismantle
Removing and installing → Chapter
4 -  High-pressure pipe
The fuel system is under high pressure.Risk of injury due to fuel which may spurt out.Release high pressure.
→ Chapter
Removing and installing → Chapter
Check for damage before re-installing.
Do not alter shape
Unions must not show any signs of damage
Lubricate thread of union nuts with clean engine oil
25 Nm
5 -  Bolt
Renew
Specified torque and tightening sequence → Fig.
6 -  Hose clip
7 -  Fuel supply line
8 -  Electrical connector

 
     
High-pressure pump - specified torque and sequence
To prevent flange of high-pressure pump from being deformed during installation, install high-pressure pump as follows:
–  Tighten bolts in stages as follows:
 

Assembly overview - high-pressure pump

Stage Bolts Specified torque/ additional specified angle
1 -3- Screw in to contact by hand
2 -3- Tighten one turn alternately until flange of high-pressure pump makes contact with camshaft housing
3 -3- 20 Nm
4 -3- Turn 90° further
High-pressure pump
...

Removing and installing high-pressure pump
Removing Engine cold The fuel system is under high pressure.Risk of injury due to fuel which may spurt out.Release high pressure. ...

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