Timing Drive Components: Removal
CAUTION:
Since the engine is not free-wheeling, if the crankshaft (6303) or the camshafts (6250) are moved in any manner during removal and installation, the crankshaft and the camshafts must be re-synchronized.
- Remove the engine front cover (6019). Refer to ENGINE FRONT COVER .
- Remove the crankshaft sensor ring from the crankshaft.
- Using the special tool, position the crankshaft as shown.
- Install the special tool.
- Remove the two bolts, the timing chain tensioner (6L266) and tensioner arm (6L253).
- Remove the LH and RH timing chains and the crankshaft sprockets.
- Remove the special tool from the crankshaft.
- Remove the timing chains from the camshaft sprockets.
- Remove the right and left timing chains and the crankshaft sprocket from the crankshaft.
- Remove the bolts and the timing chain guides (6K297).
CAUTION:
Unless otherwise instructed, at no time when the timing chains (6268) are removed and the cylinder heads (6049) are installed is the crankshaft (6303) or the camshaft (6250) to be rotated. Severe piston (6108) and valve damage will occur.
NOTE:
LH shown; RH similar.
CAUTION:
Unless otherwise instructed, at no time when the timing chains are removed and the cylinder heads are installed is the crankshaft or the camshaft to be rotated. Severe piston and valve damage will occur.
CAUTION:
Do not remove the special tool from the camshafts.
CAUTION:
The bolts are different lengths and must be returned to their original location.
NOTE:
LH shown; RH similar.