ENGINE
TNV IDI Service Manual
6-39
Cylinder Block
Removal of Camshaft
1. Before removing the camshaft, check the
camshaft end play.
•
Method A:
Install a dial indicator
(Figure 6-46, (1))
on the cylinder block. Move
the camshaft and gear
(Figure 6-46, (2))
in
and out to measure the end play. Record the
measurement.
the service limit.
Figure 6-46
•
Method B:
Use a feeler gauge to measure the
clearance between the thrust plate
(Figure 6-47, (1))
and front camshaft bearing
(Figure 6-47, (2))
. Record the measurement.
See Thrust Bearing on page 6-8 for the service
limit.
Figure 6-47
2. Remove two bolts
(Figure 6-48, (3))
retaining
the camshaft thrust plate
(Figure 6-48, (1))
.
Figure 6-48
3. Extract the tappets
(Figure 6-48, (5))
through
the top of the cylinder block. Mark the tappets
so they can be reinstalled in the same location.
4. Slowly pull the camshaft
(Figure 6-48, (2))
assembly out of the engine being careful not to
damage the front camshaft bushing.
5. Remove the camshaft gear
(Figure 6-48, (4))
only if the gear or camshaft require
replacement. Use a knife-edge puller and a
press to remove the gear. The gear is a
shrink-fit and will need to be heated to
356° - 392°F (180° - 200°C) to remove.
0002191
(1)
(2)
(1)
(2)
0001710B
00021
8
6
(4)
(3)
(1)
(2)
(5)
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