Valve Stem Seals With Cylinder Head Removed
Special tools and workshop equipment required
- Valve Seal Removal Tool 3364
- Valve Stem Seal Driver 3365
- Valve Cotters Asm/Dis-Asm Device VAS 5161
- Engine and Transmission Holder VAS 6095
- Cylinder Head Tensioning Device VAS 6419
Procedure
-- Remove the camshafts. Refer to CAMSHAFTS .
-- Mark the allocation of the roller rocker lever and the hydraulic adjusting elements so they can be installed again.
-- If necessary, remove the roller rocker levers with the hydraulic adjusting elements and place them on a clean surface.
-- Insert the VAS 6419 in the VAS 6095.
-- Tension the cylinder head on the VAS 6419 as shown in the illustration.
-- Connect the VAS 6419 to compressed air.
-- Slide the air cushion with the lever -arrow- under the combustion chamber onto the valve stem seals that will be removed.
-- Let enough compressed air flow into the air cushion until it contacts the valve plate.
-- Place the guide plate for 2.0L FSI engine VAS 5161/19B from the VAS 5161 on the cylinder head.
-- Secure the guide plate with the knurled screws VAS 5161/12.
-- Insert the drift VAS 5161/3 in the guide plate and loosen the stuck valve retainers with a plastic mallet.
-- Install engaging device VAS 5161/6 with installation fork VAS 5161/5 in guide plate.
-- Slide installation cartridge VAS 5161/8 in guide plate.
Intake Side:
-- Engage the pressure fork VAS 5161/2 on the engaging device as illustrated.
Exhaust Side:
-- Engage the pressure fork VAS 5161/2 on the engaging device as illustrated.
Continued for Both Sides:
-- Press the installation cartridge down with the pressure fork.
-- At the same time, rotate installation cartridge knurled screw right until points engage in valve retainer.
-- Move the knurled bolt to the left and right.
- Valve retainers are pressed against each other and capture in the installation cartridge.
-- Release the pressure fork.
-- Remove installation cartridge.
-- Unfasten guide plate and turn it aside.
-- Remove the valve spring and the valve spring plate.
-- Remove the valve stem seal with the 3364.
Risk of damage when installing valve stem seals.
- Place plastic sleeve -A- that is attached to valve stem seals -B- on valve stem.
-- Lightly oil valve stem seal.
-- Slide valve shaft seal onto plastic sleeve.
-- Carefully press valve stem seal onto valve guide with 3365.
-- Remove plastic sleeve again.
When the valve retainers were removed from the installation cartridge, they must be inserted in the valve retainer inserting tool VAS 5161/18 next.
- The large diameter of the valve retainers point upward.
-- Press installation cartridge from above onto valve retainer inserting tool and capture retainers.
-- Insert valve spring and valve spring plate.
-- Install the guide plate on the cylinder head.
-- Insert installation cartridge with knurled spacer ring in guide plate.
-- Press pressure fork down and pull knurled screw up, turning left and right.
- The valve retainers are inserted in this manner.
-- Release pressure fork with knurled screw still raised.
-- Repeat the procedure on each valve.
Assemble in reverse order of disassembling. Note the following:
-- Install the camshafts. Refer to CAMSHAFTS .