Valve Stem Seals, Removing And Installing, Cylinder Head Removed: Procedure
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-- Mark the allocation of the roller rocker lever and the hydraulic lifter so they can be installed again.
-- Remove the roller rocker lever with the hydraulic lifter and place them on a clean surface.
-- Insert the :VAS6419 in the :VAS6095A .
-- Tension the cylinder head on the cylinder head tensioning device, as shown.
-- Connect the cylinder head tensioning device to compressed air.
-- Slide the air cushion with the lever -arrow- under the combustion chamber onto the valve stem seal that will be removed.
-- Let enough compressed air flow into the air cushion until it contacts the valve plate.