Test Sequence
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2017 Audi S3, 2017 Audi RS 3, 2017 Audi A3 Quattro, 2016 Audi S3, and 2016 Audi A3 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
- If the valve is to be replaced as part of a repair, use a new valve for the measurement.
- Due to different stem diameters, only use an intake valve in the intake valve guide and an exhaust valve in the exhaust valve guide.
-- Place the valve in the valve guide.
- Valve stem tip must seal with the valve guide.
-- Determine the tilting clearance.
- Wear Limit: 0.6 mm.
-- If the wear limit is exceeded, measure using new valves.
-- Replace the cylinder head if the wear limit is still exceeded. (The valve guides cannot be replaced.)