Page 228
REPAIR INSTRUCTIONS, PART 1
317
Figure 317 — Timing Gear Cover Alignment Tools
5. Using a torque wrench, tighten the attaching
screws in sequence according to
specification.
CAMSHAFT SENSOR DEPTH, CHECK
1. If not previously done, remove the fasteners
securing the flywheel inspection cover and
install the flywheel turning tool, 9996956.
2. Check for proper camshaft position sensor
clearance using the sensor depth gauge,
88800031, to determine if shims are
required for sensor depth.
318
Figure 318 — Camshaft Position Sensor
a. Rotate the engine until a tooth of the
camshaft toothed wheel is aligned with
the sensor bore.
b. Insert the depth gauge into the sensor
bore until the outer part of the gauge is
fully seated against the timing gear
cover.
c. Loosen the thumb screw of the gauge
and push the inner part of the gauge in
until it contacts a tooth of the toothed
wheel.
d. Tighten the thumb screw to secure the
inner part of the gauge.
e. Carefully remove the gauge from the
camshaft sensor bore and observe the
location of steps between the inner and
outer portions of the gauge:
앫 Both steps below the surface of
the gauge = no shims required.
앫 One step below the surface of the
gauge = one shim required.
앫 Both steps above the surface of
the gauge = two shims required.
319
Figure 319 — Sensor Depth Gauge
3. Install the camshaft position sensor with the
appropriate shim(s) and new O-ring. Secure
the sensor with a bolt and plug in the
harness connector.
The camshaft position sensor shim part number
is 20556179.
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