Test Sequence
WARNING: This page is about a different car, the 2018 Audi Q3 Quattro, 2018 Audi Q3, 2017 Audi Q3 Quattro, and 2017 Audi Q3. 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.)