Camshaft Timing Chain, Removing And Installing: Removing
-- Remove the lower timing chain cover. Refer to LOWER TIMING CHAIN COVER, REMOVING AND INSTALLING .
Cylinder Bank 2 (left) Camshaft Timing Chain:
Risk of destroying a used camshaft timing chain by reversing the running direction.
- Before removing, make a arrow marking of the running direction and allocation with paint.
- Pay attention to the running direction when reinstalling.
-- Remove the camshaft timing chain from the cylinder bank 2 (left) camshafts. Refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .
-- Remove the guide pin -arrow- and remove the tensioning rail -1- downward.
-- Remove the camshaft timing chain -2- upward.
Cylinder Bank 1 (Right) Camshaft Timing Chain:
- Removing the cylinder bank 2 (left) camshaft timing chain.
-- Remove the camshaft timing chain from the cylinder bank 1 (right) camshafts. Refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .
-- Remove the bolts -arrows- and chain tensioner -4-.
-- Remove the mounting pin -2- and the camshaft timing chain -3- with the tensioning rail -1-.
-- If changes on the timing chain make place or components should be replaced, perform the corresponding adaptations in the Guided Functions "0001 - Engine electronics, functions". Use the Vehicle Diagnostic Tester.