Removal Procedure
Tools Required
J 36660-A Torque Angle
Meter
- Remove the engine front cover. Refer to
Engine Front Cover Replacement
- Align the timing marks on the sprocket so that they are as close
together as possible.
- Remove the timing chain dampener.
- Remove the camshaft sprocket bolt.
- Remove the timing chain.
- Remove the camshaft sprocket.
Important: If crankshaft sprocket does not come off easily, a light blow on the
edge of the sprocket (with a plastic mallet) should dislodge the sprocket.
- Remove the crankshaft sprocket.
- Clean the timing chain.
- Clean the sprockets.
- Inspect all the components for wear or damage.
- If the balance shaft timing has been disturbed. Refer to Balance
Shaft Replacement.
- Use the following steps if the pistons have been moved in the
engine:
12.1. | Turn the crankshaft in order to set the number one piston is at
top dead center. |
12.2. | With the sprocket installed, turn the camshaft in order to have
the timing mark straight down. |
Installation Procedure
- Install the timing chain onto the sprockets with the timing marks
in their closest together position.
- Install the timing chain and sprockets.
- Install the camshaft sprocket bolt.
Tighten
Tighten the camshaft sprocket bolt to 100 N·m (74 lb ft).
Use the J 36660-A
in order
to rotate the bolt 90°.
- Install the timing chain dampener.
- Install the timing chain dampener bolt.
Tighten
Tighten the dampener bolt to 22 N·m (16 lb ft).
Important: Rotate the engine two revolutions and check the timing marks. Ensure
the marks are aligned.
- Install the engine front cover. Refer to
Engine Front Cover Replacement
.