Valve Stem Seals With Cylinder Head Installed
Special tools and workshop equipment required
- Spark plug removal tool 3122 B
- Valve seal removal tool 3364
- Valve stem seal driver 3365
- Adapter T40012
- Torque Wrench 5-50 Nm V.A.G 1331
- Valve Cotters Asm/Dis-Asm Device VAS 5161
- Guide Plate for FSI Engine VAS 5161/19B
Removing
-- Remove the camshafts without AVS. Refer to CAMSHAFTS .
-- Remove the roller rocker lever and place it on a clean surface. Make sure that roller cam followers are not interchanged.
-- Remove the spark plugs using a 3122 B.
-- Tighten the VAS 5161/19B on the cylinder head as shown using the knurled bolts VAS 5161/12.
-- Move piston for respective cylinder to "Bottom Dead Center (BDC) position".
-- Install the T40012 in the spark plug threads.
-- Connect compressed air with at least 6 bar pressure.
-- Loosen stuck valve retainers using a drift VAS 5161/3 and a plastic hammer.
For the Intake Side
-- Install the engaging device VAS 5161/6 with the installation fork VAS 5161/5 in the center threads of the VAS 5161/19B.
-- Insert the installation cartridge VAS 5161/8 in the VAS 5161/19B.
-- Engage the pressure fork VAS 5161/2 on the engaging device VAS 5161/6.
For the Exhaust Side
-- Install the engaging device VAS 5161/6 with the installation fork VAS 5161/5 in the outer threads of the VAS 5161/19B.
-- Press the installation cartridge VAS 5161/8 down while rotating its knurled bolt to the right until the points engage in the valve retainers.
-- Move the knurled wheel back and forth slightly. This presses the valve retainers apart and captures them in the installation cartridge.
-- Release the VAS 5161/2.
-- Remove the VAS 5161/8.
-- Remove the valve stem seals using 3364.
-- If the 3364 cannot be used because there is not enough space, drive the roll pin -arrow- out using a drift and remove the impact attachment.
-- Position the lower part of the 3364 on the valve stem seal.
-- Place the drift -1- in the hole in the lower section of the removal tool.
-- Position the lever on the removal tool and remove the valve stem seal -arrow-.
Valve Stem Seals, Installing
Risk of damage when installing valve stem seals.
- Place the plastic sleeve -A- that is attached to valve stem seals -B- on valve stem.
-- Place the plastic sleeve -A- on the valve stem to prevent damage to the new valve stem seals -B-.
-- Lightly oil valve stem seal.
-- Slide valve shaft seal onto plastic sleeve.
-- Carefully press valve stem seal onto the valve guide using the 3365.
-- Remove plastic sleeve again.
-- Insert the valve spring and valve spring plate.
-- Connect the VAS 5161 as illustrated.
For the Intake Side
For the Exhaust Side
If the valve retainers were removed from the installation cartridge, they must be inserted into the valve insertion device VAS 5161/18 next.
Press the installation cartridge onto the VAS 5161/8 from above and capture the valve retainers.
-- Press the VAS 5161/8 down with the VAS 5161/2 and rotate the cartridge knurled bolt back and forth while pulling up.
-- Release the VAS 5161/2 with the knurled bolt pulled.
-- Remove the VAS 5161.
Assemble in reverse order of disassembly.
-- Install the camshafts without AVS. Refer to CAMSHAFTS .