VW Golf manuals

Volkswagen Golf Service & Repair Manual: 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.
→ Chapter
Risk of functional impairment due to soiling → Chapter.
–  Remove high-pressure pipe → Chapter.
   
–  Disconnect electrical connector -1-.
  Note
Place a cloth underneath to catch escaping fuel.
–  Release hose clip -2- and detach fuel supply hose.
–  Unscrew bolts -3- and detach high-pressure pump with roller tappet.
Installing
–  Check roller tappet for damage and renew if necessary.
–  Moisten roller tappet -1- with clean engine oil.
 

Removing and installing high-pressure pump

–  Insert oiled roller tappet -1- into camshaft housing.
  Note
Renew O-ring.
–  Turn crankshaft in direction of engine rotation until roller tappet is at bottom dead centre.
–  Insert new, lubricated O-ring -2- in groove of high-pressure pump -3-.
–  Tighten bolts hand tight.
–  Tighten bolts in diagonal sequence to specified torque → Fig..
–  Check fuel system for leaks.
 

Removing and installing high-pressure pump

Assembly overview - high-pressure pump
1 -  Roller tappet When installing lubricate lightly with clean engine oil 2 -  O-ring Renew When ...

Removing and installing high-pressure pipe
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