Skoda Workshop Service and Repair Manuals

Removing and installing injection valves Special tools and workshop equipment required t  Set of tools -T10133- t  Extractor -T10133/16-   Note The tool Puller -T10133/2 - was modified and has now the designation Puller -T10133/2A -. If you do not have the new tool yet, you can carry out the change yourself. change puller -T10133/2 - to puller -T10133/2A- Special tools and workshop equipment required t  Round file approx. 6 mm

–  Refine a semi circle as shown in the illustration. The tool can be pushed onto the injector through the semi circle and thus the tool has more contact surface. –  Mark the machined tool with an “A” at the end of the tool number.

Injection valve - Individual parts 1 -  Replacing the combustion chamber gasket ring (Teflon gasket ring). When installing, the combustion chamber gasket ring must not be greased ot treated with a lubricant. 2 -  Check intermediate ring, fitting position: The cone points to the valve. 3 -  Injector 4 -  Replace slotted supporting ring. 5 -  O-ring, replace. Before fitting moisten lightly with clean engine oil. 6 -  Supporting element (the fuel distributor exerts a force via this supporting element, which holds the injector in the cylinder head) Removing –  Remove intake manifold with fuel distributor → Chapter. –  Seal intake passages with a clean cloth.

–  Remove the supporting elements -A- and disconnect the plugs -arrows- from the injection valves.

–  Position the puller -T10133/2A- into the groove at the injection valve. –  Then fit on the removal tool -T10133/16 - and unplug the injection valve by turning the screw -1-.   Note Pay attention to the intermediate ring. Install   Caution When installing, the combustion chamber gasket ring (Teflon gasket ring) must not be greased ot treated with a lubricant.   Note An open inlet valve can possibly prevent a cleaning. In this case it will be necessary to rotate the engine on the crankshaft with a wrench by hand.

–  Thoroughly clean the holes of the high pressure injection valves in the cylinder head with the nylon brush -T10133/4-.

–  Replace the combustion chamber gasket ring (Teflon gasket ring) -1- of the injection valves → Chapter. –  Replace the supporting ring -4- and the O-ring -5- (moisten lightly with clean engine oil). –  Mount the intermediate ring -2-.

–  Use the striking hammer -T10133/3 - with the puller -T10133/2A-, in order to press the injection valve up to the stop into the hole of the cylinder head.

–  Pay attention to the correct position of the injection valves in the cylinder head -arrow-. –  Fit supporting element. –  Install intake manifold with fuel distributor → Chapter.