A4 Cabriolet L4-1.8L Turbo (AMB) (2005)
Camshaft: Testing and Inspection
Camshaft Timing Control, Checking
Camshaft timing control, checking
The intake camshaft is adjusted according to load and engine speed. The solenoid camshaft adjustment valve causes oil pressure to be applied to the
camshaft adjuster (mechanical adjustment device).
Note: The camshaft timing control only becomes active 25 seconds after the engine is started.