Volkswagen Golf Service & Repair Manual: Removing and installing high-pressure pump
The fuel system is under high pressure.Risk of injury due to fuel which
may spurt out.Release high pressure.
| Risk of functional impairment due to soiling
→ Chapter. |
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Remove high-pressure pipe
→ Chapter. |
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Disconnect electrical connector -1-. |
 Note
| Place a cloth underneath to catch escaping fuel. |
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Release hose clip -2- and
detach fuel supply hose. |
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Unscrew bolts -3- and detach
high-pressure pump with roller tappet. |
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Check roller tappet for damage and renew if necessary. |
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Moisten roller tappet -1- with
clean engine oil. |
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Insert oiled roller tappet -1-
into camshaft housing. |
Note
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Turn crankshaft in direction of engine rotation until roller
tappet is at bottom dead centre. |
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Insert new, lubricated O-ring -2-
in groove of high-pressure pump -3-. |
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Tighten bolts hand tight. |
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Tighten bolts in diagonal sequence to specified torque
→ Fig.. |
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Check fuel system for leaks. |
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1 -
Roller tappet
When installing lubricate lightly with clean engine oil
2 -
O-ring
Renew
When ...
Special tools and workshop equipment
required
Torque wrench -V.A.G 1331-
...
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Assembly overview - high-pressure pump
Removing and installing high-pressure pipe