Volkswagen Golf Service & Repair Manual: Removing and installing high-pressure pump

Volkswagen Golf Service & Repair Manual / 4- cylinder injection engine(1.4 1 direct inction. turbocharger) / Mixture preparation system, electronic inj., Gas / 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.

→ 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

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Removing and installing high-pressure pipe

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