Valve Guides, Checking
WARNING: This page is about a different car, the 2017 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
Special Tools And Workshop Equipment Required
- Dial Gauge Holder:VW387
- Dial Gauge - 0-10mm:VAS6079
Test Sequence
- 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.
-- Secure the Dial Gauge - 0-10mm:VAS6079 with the Dial Gauge Holder:VW387 on the cylinder head.
-- 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.