Valve Stem Oil Seal and Valve Spring Replacement
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Valve Stem Oil Seal and Valve Spring Replacement
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Special Tools
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EN-840
Valve Stem Oil Seal Remover
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EN-6086
Spring and Wedge Replacer
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EN-6152
Valve Stem Oil Seal Installer
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EN-6171
Valve Spring Key Solvent
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For equivalent regional tools, refer to
Special Tools (LDK, LHU)
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Note
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Clean working is condition.
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5.
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Tighten one of the support head (1) in the center of the rail (2) with the fastener (3).
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6.
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Install the
EN-6086-5
mounting shaft (1) to one of the
EN-6086-6
supports (2).
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7.
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Install the
EN-6086-8
knuckle (1) to the
EN-6086-5
mounting shaft (2) and install the second support (3) to the mounting shaft (2).
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8.
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Install the lever arm bracket (1) to the cylinder head (2).
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The fixed side of the lever arm bracket install on the left side of the cylinder head but do not tighten yet.
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The not fixed side of the lever arm bracket install on the right side of the cylinder head but do not tighten yet.
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9.
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Fix the
EN-6086-5
mounting shaft (1) with both support head fasteners (2).
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10.
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Align the lever arm bracket (1) in the center of the cylinder head on the basis of the spark plug drillings (2).
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11.
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Tighten both
EN-6086-6
supports to the cylinder head.
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12.
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Fix the second support head (1) to the rail (2).
Release the heated oxygen sensor 1 electrical connector from the cylinder head.
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13.
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Note
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All wheels must be in contact with the ground.
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Fix the crankshaft.
Use a suitable tool.
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14.
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Install the
EN-6086-15
compressed air adapter (1) to the spark plug drill (2) of the first cylinder.
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15.
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Subject the first cylinder with compression air.
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16.
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Install the
EN-6086-12
adapter part small (1) to the
EN-6086-11
removal part small (2).
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17.
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Install the
EN-6086-12
adapter part small and the
EN-6086-11
removal part small to position 3 to the
EN-6086-7
lever arm . Fasten the tools with
EN-6086-2
pin .
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18.
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lnstall the
EN-6086-7
lever arm to the
EN-6086-8
knuckle .
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Use the position 1 of the lever arm.
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Fasten the tools with
EN-6086-2
pin .
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19.
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Note
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Note the installation construction units position of the valve stem keys, valve spring retainer and valve spring.
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Set the
EN-6086-11
removal part small (1) on the intake valve spring retainer (2) on the left side of the first cylinder.
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20.
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To remove the valve stem key (1), valve spring retainer (2) and valve spring (3) press the lever arm downward.
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21.
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Note
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Do not use magnetic tools.
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If the valve stem key are out fallen, remove the valve stem keys with
EN-6086-13
round awl and
EN-6086-14
special calliper .
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22.
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Set the
EN-6086-11
removal part small on that intake valve spring retainer on the right side to the first cylinder.
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23.
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To remove from the valve stem keys, valve spring retainer and valve spring press the lever arm downward.
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24.
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Note
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Do not use magnetic tools.
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If the valve stem key has become loose, remove the valve stem keys with
EN-6086-13
round awl and
EN-6086-14
special calliper .
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25.
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Remove both valve stem oil seal rings with
EN-840
valve stem oil seal remover (1) from the cylinder head.
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26.
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Install the
EN-6086-12
adapter part small and the
EN-6086-11
removal part small to position 1 to the
EN-6086-7
lever arm . Fasten the tools with
EN-6086-2
pin .
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27.
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lnstall the
EN-6086-7
lever arm to the
EN-6086-8
knuckle .
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Use the position 3 to the lever arm.
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Fasten the tools with
EN-6086-2
pin .
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28.
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Note
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Note the position of the valve stem keys, valve spring retainer and valve spring.
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Set the
EN-6086-11
removal part small on that exhaust valve spring retainer on the left side at the first cylinder.
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29.
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To remove the valve stem key, valve spring retainer and valve spring press the lever arm upward.
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30.
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Note
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Do not use magnetic tools.
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If the valve stem key are loosen, remove the valve stem keys with
EN-6086-13
round awl and
EN-6086-14
special calliper .
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31.
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Set the
EN-6086-11
removal part small on that exhaust valve spring retainer on the right side to the first cylinder.
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32.
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To remove the valve stem keys, valve spring retainer and valve spring press the lever arm upward.
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33.
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Note
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Do not use magnetic tools.
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If the valve stem key are loosen, remove the valve stem keys with
EN-6086-13
round awl and
EN-6086-14
special calliper .
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34.
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Remove the both valve stem oil seal rings with
EN-840
valve stem oil seal remover from the cylinder head.
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1.
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Note
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Do not press the valve downward.
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Install with
EN-6152
valve stem oil seal installer (1) the new valve stem oil seal rings to the cylinder head.
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Press the valve stem oil seal ring with the finger downward.
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The
EN-6152
valve stem oil seal installer must rest upon at the lower edge of the valve stem oil seal ring.
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Knock with a rubber hammer on the
EN-6152
valve stem oil seal installer to sit the valve stem oil seal ring to the cylinder head.
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2.
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Install
EN-6086-100-15
pressure adapter 6j (3) to
EN-6086-100-10
mounting part (4).
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Remove the fastener (1) from the mounting part (4).
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Remove the spring (2) from the mounting part (4).
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Install the pressure adapter 6j (3) into the mounting part (4).
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Install the spring (2) into the mounting part (4).
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Install the fastener (1) to the mounting part (4).
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3.
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Note
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Only one attempt. If the attempt failed, repeat step 3 to 8 for the exhaust left side and step 9 to 13 for the exhaust right side.
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Install the valve stem keys (1) to the
EN-6086-100-10
mounting part (2).
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Pull the ring back that the the springs are loosen.
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Install the valve stem keys with the narrow side upward.
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Pull the ring forward till the springs are the valve stem keys locking.
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4.
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Install the
EN-6086-100-10
mounting part to the
EN-6086-12
adapter part .
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5.
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Install both parts to the
EN-6086-7
lever arm .
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6.
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Install the left exhaust valve spring and the left exhaust valve retainer to the cylinder head.
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7.
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Set the
EN-6086-100-15
pressure adapter to the left exhaust valve.
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8.
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Press the lever arm up to audibly engage the left valve stem keys.
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9.
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Install the valve stem keys to the
EN-6086-100-10
mounting part .
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Pull the ring back that the the springs are loosen.
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Install the valve stem keys with the narrow side upward.
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Pull the ring forward till the springs are the valve stem keys locking.
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10.
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Install the
EN-6086-100-10
mounting part to the
EN-6086-12
adapter part .
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11.
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Install both parts to the
EN-6086-7
lever arm .
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12.
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Install the right exhaust valve spring and the right exhaust valve retainer to the cylinder head.
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13.
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Set the
EN-6086-100-15
pressure adapter to the right exhaust valve.
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14.
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Press the lever arm up to audibly engage the right valve stem keys.
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15.
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Remove the
EN-6086-7
lever arm from the
EN-6086-8
knuckle .
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16.
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lnstall the
EN-6086-7
lever arm (1) to the
EN-6086-8
knuckle (2).
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Use the position 1 from the lever arm.
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Fasten the tools with
EN-6086-2
pin .
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17.
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Note
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Do not press the valve downward.
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Install with
EN-6152
valve stem oil seal installer (1) the new valve stem oil seal rings to the cylinder head.
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Press the valve stem oil seal ring with the finger downward.
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The
EN-6152
valve stem oil seal installer must rest upon at the lower edge of the valve stem oil seal ring.
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Knock with a rubber hammer on the
EN-6152
valve stem oil seal installer to sit the valve stem oil seal ring to the cylinder head.
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18.
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Note
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Only one attempt. If the attempt failed, repeat step 18 to 23 for the intake left side and step 24 to 29 for the intake right side.
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Install the valve stem keys to the
EN-6086-100-10
mounting part .
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Pull the ring back that the the springs are loosen.
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Install the valve stem keys with the narrow side upward.
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Pull the ring forward till the springs are the valve stem keys locking.
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19.
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Install the
EN-6086-100-10
mounting part to the
EN-6086-12
adapter part .
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20.
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Install both parts to the
EN-6086-7
lever arm .
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21.
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Install the left intake valve spring and the left intake valve retainer to the cylinder head.
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22.
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Set the
EN-6086-100-15
pressure adapter to the left intake valve.
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23.
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Press the lever arm down to audibly engage the left valve stem keys.
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24.
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Install the valve stem keys (1) to the
EN-6086-100-10
mounting part (2).
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Pull the ring back that the the springs are loosen.
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Install the valve stem keys with the narrow side upward.
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Pull the ring forward till the springs are the valve stem keys locking.
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25.
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Install the
EN-6086-100-10
mounting part to the
EN-6086-12
adapter part .
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26.
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Install both parts to the
EN-6086-7
lever arm .
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27.
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Install the right intake valve spring and the right intake valve retainer to the cylinder head.
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28.
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Set the
EN-6086-100-15
pressure adapter to the right intake valve.
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29.
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Press the lever arm down to audibly engage the right valve stem keys.
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30.
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Remove the
EN-6086-7
lever arm from the
EN-6086-8
knuckle .
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31.
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To replace the valve stem oil seals of the cylinders 2 and 3 turn the crankshaft by
180 degrees
.
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Set 2 marks (1), by
180 degrees
transferred, at the oil pump housing.
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Set 1 mark (2) at the crankshaft balancer.
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A second mechanic must hold the primary timing chain upward.
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Turn clock wise the timing chain
180 degrees
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32.
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To remove the valve stem oil seals repeat the steps from removal 15 to 35.
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33.
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To install the valve stem oil seals repeat the steps from installation 1 to 31.
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34.
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Turn back the crankshaft
180 degrees
against clockwise direction after the exchange of the valve stem sealings of the cylinder 2 and 3.
A second mechanic must hold the primary timing chain upward.
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35.
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Remove the lever arm bracket.
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