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far enough in order to gain sufficient clearance for sensor pigtail
connector to pass between oil cooler lines and side of engine block.
2) Remove crankshaft position sensor connecting bolt. Remove
crankshaft position sensor and "O" ring from engine block. Using wire
attached to crankshaft position sensor pigtail, pass connector between
lines and block at point of widest gap. Stop when pull wire is exposed
at both ends of routing path.
3) Inspect crankshaft position sensor "O" ring for wear,
cracks or other damage. Replace as necessary. Lubricate NEW "O" ring
with engine oil before installing. To install, reverse removal
procedure. Tighten crankshaft position sensor bolt/nut to
specification. See TORQUE SPECIFICATIONS.
CRANKSHAFT (7X) POSITION SENSOR (DIS)
Removal & Installation (3.1L & 3.4L)
1) Disconnect negative battery cable. Turn steering wheel
fully to left. Raise and support vehicle. Disconnect crankshaft
position sensor harness connector. Remove crankshaft position sensor
mounting bolt. Remove crankshaft position sensor from engine block.
2) Inspect crankshaft position sensor "O" ring for wear,
cracks or other damage. Replace as necessary. Lubricate NEW "O" ring
with engine oil before installing. To install, reverse removal
procedure. Tighten crankshaft position sensor bolt to specification.
See TORQUE SPECIFICATIONS.
CRANKSHAFT (24X) POSITION SENSOR (DIS)
Removal & Installation (3.1L & 3.4L)
1) Disconnect negative battery cable. Remove serpentine belt
from crankshaft pulley. Raise and support vehicle.
2) Remove crankshaft harmonic balancer bolt. Using Balancer
Remover (J-24420-B), remove harmonic balancer. Disconnect crankshaft
position sensor harness connector. Remove crankshaft position sensor
bolts. Remove crankshaft position sensor.
3) To install, reverse removal procedure. Apply Thread Sealer
(GM 1052080) onto threads of harmonic balancer bolt. Tighten
crankshaft position sensor and harmonic balancer bolts to
specification. See TORQUE SPECIFICATIONS.
IGNITION COIL (DIS)
Removal & Installation (1.3L & 1.8L)
Disconnect negative battery cable. Remove spark plug wires
from ignition coils. Disconnect harness connectors from ignition
coils. Remove bolts attaching ignition coils to cylinder head. Remove
ignition coils. To install, reverse removal procedure.
Removal & Installation (1.9L, 2.2L, 3.0L, 3.1L & 3.4L)
Disconnect negative battery cable. Remove spark plug wires
from ignition coils. On 3.0L, remove screws attaching ignition coils
to support bracket. On all models except 3.0L, remove nuts or screws
attaching ignition coils to ignition control module. On all models,
remove ignition coils. To install, reverse removal procedure.
IGNITION COIL (IDI)
Removal & Installation (2.4L)
1) Disconnect negative battery cable. Disconnect 11-pin
harness connector. Remove 4 IDI cover assembly-to-camshaft housing
bolts. Remove ignition system assembly from engine. Remove 4 coil
housing-to-cover screws. Remove housing cover.
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