Skoda Workshop Service and Repair Manuals

Removing and installing the high pressure pump Special tools and workshop equipment required t  Counterholder -T10051- t  Extractor -T40064- t  Thrust piece -T40064/1- t  Fillister head screws -T40064/2- Removing   Note t  Observe safety measures when working on the fuel system → Chapter. t  Observe rules for cleanliness → Chapter. –  Pull toothed belt off camshaft sprocket and from toothed belt gear on the high pressure pump → Chapter.

–  Release screws -2- and remove timing belt gear from the high pressure pump.

–  Hold the hub of the high pressure pump with the counterholder -T10051- and unscrew the securing nut -1-.   Note

Replace the basic pressure plate with the pressure plate -T40064/1- on the extractor -T40064-. –  Position extractor -T40064- with thrust piece -T40064/1- and cylinder screws (bolts) -T40064/2- as shown. –  Detach the hub from the high pressure pump, if necessary counterhold with a fixed spanner SW 24.

–  Release screws -arrows-. –  Lay the coolant line and the fuel return-flow line to the side. –  Slacken the wiring loom from the wiring guide of the glow plugs.   Caution t  Carefully disconnect the plug from the glow plugs. t  If the plug is damaged when disconnecting it, the complete wiring loom including the plugs must be replaced (plugs cannot be replaced separately).

–  Carefully disconnect the plug from the glow plugs. Use the assembly spanner SW 11 for help.

–  Unscrew union nuts -1- and -3- and remove high pressure line.

–  Disconnect plugs -1- and -3-. –  Remove fuel intake hose -2- and fuel return-flow hose -4-.

–  Release the fixing screws -arrows- of the high pressure pump. –  Carefully remove the high pressure pump. Install   Caution Risk of damage to the high pressure pump through running dry. t  After reinstalling the high pressure pump: carry out the basic setting „test of fuel pump for predelivery“»3 times« before the first engine start → Vehicle diagnostic tester. t  After installing a new high pressure pump: fill up the high pressure pump with fuel before the first engine start → Chapter. Installation is performed in the reverse order, pay attention to the following points:   Note t  When installing the high pressure pump, ensure that no dirt penetrates the fuel system. t  Only remove the screw plug immediately before installing the fuel lines. t  The fixing screws for the high pressure pump must be replaced. Tightening torques: → Chapter.