TOOL TO CHANGE THE VALVE STEM OIL SEALS WITHOUT REMOVING THE CYLINDER HEAD

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HOW TO CHANGE THE VALVE STEM OIL SEALS WITHOUT REMOVING THE CYLINDER HEAD

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Warning ; You use the following method at your own risk

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QUESTION ;

Have you ever wanted to change your valve stem oil seals and dreaded having to take the head off ?

ANSWER ;

{ 1 } Remove Spark Plug{s}

{ 2 } Remove Rocker Cover

{ 3 } Remove complete Rocker gear assembly

{ 4 } Get an offcut of house wire as per ;

LENGTH ; Any from 20cms up to 10 metres

WIDTH ; 10cms


1 CABLE SIZE pic 1


2 CABLE SIZE pic 1

{ 5 } Insert cable through spark plug hole and the following photo shows how the end of the cable is positioned in the cylinder


3 CABLE SHOWING WHAT IT LOOKS LIKE INSIDE THE COMBUSTION CHAMBER

The cable stops the valve dropping down

{ 6 } I made a valve removal tool from an old Reliant Robin seat channel as per ;


4 VALVE SPRING REMOVAL TOOL MADE FROM RELIANT SEAT RUNNER


5 VALVE SPRING REMOVAL TOOL DIMENSIONS

{ 7 } Place the tool over one of the Rocker assembly pillar studs and fit a spacer { larger nut etc } and the original nut as per ;


6 TOOL IN POSITION WITH SPACER AND NUT

{ 8 } Notice the easy access to the 2 valve collets in the next photo


FOLLOWING PHOTO SHOWS A CLOSEUP AROUND THE VALVE HEAD AREA ;


{ 9 } HOW TO USE THE TOOL


9 HOW TO OPERATE VALVE SPRING REMOVAL TOOL

By using the channel design , the collets have less chance of falling off as they are retained in the channel .

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I made the tool because I needed to change my first broken valve spring in over 40 years of Reliant ownership !

Next photo shows my broken valve spring next to a good valve spring .


10 BROKEN VALVE SPRING

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