Checking Valve Timing
WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Components could be damaged by the camshaft timing chain jump off.
- Only rotate the crankshaft in the direction of engine rotation.
-- Turn the crankshaft two turn until the crankshaft is just in front of "Top Dead Center (TDC)".
-- Lock the crankshaft -1- from turning using the Crankshaft Key 3242 to 20 Nm.
CAUTION:
An inaccurate "TDC" setting will cause an inaccurate setting.
- If the crankshaft was turned past "TDC" : Turn the crankshaft again two turns until it is just in front of "TDC". Then use the Crankshaft Holder 3242 to keep crankshaft from turning.
-- Check whether camshafts of both cylinder heads stand in "TDC" position.
- It must be possible to secure the camshafts with the Camshaft Adjustment Pins T40060.
- The bolt -arrow- in the Camshaft Adjustment Pins T40060 must be perpendicular to the center line of the camshaft on cylinder bank 1 (right).
- The bolt -arrow- in the Camshaft Adjustment Pins T40060 must be perpendicular to the center line of the camshaft on cylinder bank 2 (left).