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-958
Installation Tool
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EN-6625
Flywheel Holder
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EN-6086
Basic Kit, Spring and Wedge Replacer
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EN-889
Automatic Valve Spring Lever
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For equivalent regional tools, refer to
Special Tools
Special Tools.
2.
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Remove the spark plugs. Refer to
Spark Plug Replacement
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Note
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180 degrees offset to marking ignition TDC cylinder number 1.
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3.
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Make alignment mark on the toothed belt drive belt.
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4.
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Turn the crankshaft to ignition TDC marking, cylinder number 1.
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7.
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Install
EN-6625
flywheel holder (1) to the engine block (2).
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8.
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Lower the vehicle by its full height.
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10.
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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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11.
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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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12.
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Install the second support to the mounting shaft.
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13.
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Install the lever arm bracket to the cylinder head.
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14.
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Attach the
EN-6086-15
pneumatic adapter (1).
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14.1.
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Attach the adapter to cylinder number 1.
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14.2.
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Apply compressed air to cylinder number 1.
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15.
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Attach the
EN-6086-7
lever arm (3).
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15.1.
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Assemble the lever arm with the
EN-6086-8
joint (1) and the
EN-6086-11
removable head (2).
Note
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Removal head must point toward the intake side.
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15.2.
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Slide assembly on installation shaft over the 1st cylinder.
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16.
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Remove the intake valve springs, 1st cylinder.
Note
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Removal head must be positioned vertically over the valve stem.
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16.1.
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Carefully push the valve springs down using the
EN-6086-7
lever arm.
Note
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Observe the correct assignment.
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16.2.
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Remove the valve keepers.
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16.3.
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Remove the valve head and the valve springs.
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17.
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Remove the valve stem seals with the
EN-840
puller (1).
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18.
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Install the valve stem seals.
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18.1.
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Coat the valve stem with engine oil.
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18.2.
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Connect the new valve stem seals onto valve stem.
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18.3.
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Using the
EN-958
installer , drive home to limit stop.
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19.
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Note
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Follow manufacturer instructions.
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20.
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Complete the
EN-6086-200-1
assembly head.
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•
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Use the
EN-6086-200-10
thrust piece.
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•
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Put together the assembly head consisting of mount (1), fixing sleeve (2), thrust piece (3), spring (4), screw fixing (5) and lever mount (6).
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21.
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Install the intake valve springs, 1st cylinder.
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Insert the valve springs and valve head.
Note
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Insert the valve cotters with the tapered end toward the valve.
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Insert the valve cotters (1) in the
EN-6086-200-1
assembly head.
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Slide the plastic clamping sleeve (2) in the direction of the lever arm mount.
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Push the plastic clamping sleeve toward the valve.
Note
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Assembly head must stand vertically above the valve stem. Valve cotters must engage audibly.
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Attach the assembly head to the lever arm.
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Carefully push the valve spring down using the
EN-6086-7
lever arm.
Note
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Do not make 2nd attempt without inspecting that both valve cotters are seated in the assembly head.
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22.
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Inspect installation position.
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23.
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Inspect seating of the valve keepers (visual inspection).
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24.
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Transfer the
EN-6086-7
lever arm.
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24.1.
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Remove the lever arm.
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24.2.
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Detach the assembly head.
Note
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Removal head must point toward the exhaust side.
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24.3.
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Attach the removal head.
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24.4.
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Install the lever arm.
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25.
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Remove the exhaust valve springs, 1st cylinder.
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25.1.
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Carefully push the valve springs down using the
EN-889-12
lever arm.
Note
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Removal head must be positioned vertically over the valve stem.
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25.2.
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Remove the valve keepers
Note
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Observe the correct assignment.
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25.3.
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Remove the valve head and the valve springs.
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26.
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Replace the valve stem seals.
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26.1.
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Pull off using the
EN-840
remover.
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26.2.
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Coat the valve stem with engine oil.
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26.3.
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Connect the new valve stem seals onto the valve stem.
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26.4.
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Using the
EN-958
installer , drive home to limit stop.
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27.
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Attach the
EN-6086-7
lever arm.
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•
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Insert the valve springs and valve head.
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•
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Insert the valve wedges in the
EN-889-2
assembly head.
Note
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Insert the valve cotters with the tapered end toward the valve.
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Push the plastic clamping sleeve toward the lever arm mounting.
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Push the plastic clamping sleeve toward the valve.
Note
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Assembly head must stand vertically above the valve stem. Valve cotters must engage audibly.
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•
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Attach the assembly head to the lever arm.
Note
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Do not make 2nd attempt without inspecting that both valve cotters are seated in the assembly head.
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•
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Carefully push the valve spring down using the
EN-889-12
lever arm.
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28.
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Inspect installation position.
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29.
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Inspect seating of the valve keepers (visual inspection).
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30.
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Transfer the
EN-6086-15
pneumatic adapter.
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30.1.
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Interrupt the compressed air feed.
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30.2.
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Remove the adapter from cylinder number 1.
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30.3.
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Install the adapter to cylinder number 4.
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30.4.
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Apply compressed air to cylinder number 4.
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31.
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Replace the valve stem seal of cylinder 4 by analogy with step 14 to step 23.
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32.
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Remove the
EN-6086-15
pneumatic adapter.
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32.1.
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Interrupt the compressed air feed.
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32.2.
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Remove the adapter from cylinder number 4.
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33.
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Raise the vehicle by its full height.
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34.
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Remove the
EN 6625
holder.
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35.
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Set the crankshaft to ignition TDC of cylinder 3.
Note
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Alignment marking on toothed belt drive wheel must align with marking on rear toothed belt cover.
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36.
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Turn crankshaft evenly by 180 degrees.
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37.
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Block the crankshaft.
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38.
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Install
EN-6625
holder to the engine block.
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39.
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Lower the vehicle by its full height
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40.
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Replace the valve stem seal of cylinders 2 and 3 by analogy with step 7 to step 23.
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41.
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Remove the
EN-6086-15
pneumatic adapter.
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41.1.
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Interrupt the compressed air feed.
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41.2.
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Remove the adapter from cylinder number 3.
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42.
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Remove the
EN-6086
automatic valve spring lever.
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42.1.
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Release the installation shaft.
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42.2.
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Remove both supports with the installation shaft.
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42.3.
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Remove the installation head from the lever arm.
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2.
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Remove
EN-6625
holder from the engine block.
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•
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Detach the screwed connection.
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Tighten the bolted connection.
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3.
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Set the engine to 60 degrees (measurement l) before TDC.
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4.
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Set the crankshaft in direction of engine rotation to 60 degrees (measurement l) before TDC.
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