Timing Drive Components - In-Vehicle Procedures: Removal
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Jaguar XKR, 2006 Jaguar XK8, 2005 Jaguar XKR, 2005 Jaguar XK8, and 2004 Jaguar XKR. However, it is still accessible from the selected car via links, so may be relevant.
All vehicles
- Remove the engine front cover. Refer to Engine Front Cover - In-Vehicle Procedures .
- Remove the spark plugs.
- Disconnect the crankshaft position sensor electrical connector.
- Remove the crankshaft position sensor.
- Install the special tool 303-645.
- Remove the right-hand variable camshaft timing oil control unit housing.
- Remove the left-hand variable camshaft timing oil control unit housing.
- Remove and discard the O-ring seals.
- Install the special tool to the left-hand cylinder head.
- Install the special tool to the Right-hand cylinder head.
- Loosen the camshaft sprockets.
- Remove the primary timing chain tensioner assembly.
- Remove the primary timing chain tensioner blade.
- Remove the primary timing chain.
- Remove the primary timing chain guide.
- Remove the secondary timing chain tensioner retaining bolts.
- Remove the camshaft sprockets.
- Remove the left hand primary timing chain tensioner assembly.
- Remove the left hand primary timing chain tensioner guide.
- Remove the primary timing chain.
- Remove the primary timing chain tensioner guide.
- Remove the secondary timing chain tensioner retaining bolts.
- Remove the camshaft sprockets.
- Remove the crankshaft sprocket.
CAUTION:
Make sure the spark plugs are removed to enable the engine to rotate freely.
CAUTION:
Do not rotate the crankshaft counterclockwise. The timing chains may bind causing engine damage.
CAUTION:
Rotate the crankshaft clockwise to position the engine to 45° after top dead center (TDC) No. 1 cylinder
Vehicles without supercharger
All vehicles
CAUTION:
Make sure the secondary timing chain and camshaft sprockets are free to rotate.