Audi A8 2003 Workshop Manual page 134

Audi A8 2003 ➤
8-cylinder TDI engine (4.2 ltr. 4-valve common rail), mechanics - Edition 12.2013
Checking valve timing
WARNING
Turn crankshaft only in direction of engine rotation.
If crankshaft has been turned past "TDC" position, turn crank‐
shaft two further rotations until it is again positioned just before
"TDC". Then turn further in the same direction and lock crank‐
shaft with locking pin - 3242- .
– Turn crankshaft two rotations in normal direction of rotation
-arrow- until the crankshaft is just before TDC again.
– While turning in this direction, lock crankshaft -1- with locking
pin - 3242- . Tighten locking pin to 20 Nm.
– Check that it is now possible to lock the camshafts with ad‐
justment pin - T40060- .
• The side pin -arrow- in each adjustment pin - T40060- must
be in line with the imaginary line between the adjustment pin
and the centre of the camshaft.
Cylinder bank 1 (right-side): Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
Cylinder bank 2 (left-side):
128
Rep. gr.15 - Cylinder head, valve gear