Vanguard 25E300, Repair Manual

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3. Using a 5/8 inch spark plug socket, tighten to 170 lb-in
(19.2 Nm).
Crankshaft Position Sensor (CKP)
Crankshaft Position Sensor - Removal
1. See Front Cover Panel - Removal and Blower Housing -
Removing .
2. Disconnect the electrical connector from the crankshaft
position sensor ( A , Figure 54).
54
3. Remove the two crankshaft position sensor fasteners
( B ).
4. Remove the sensor from the engine bosses and set
aside.
Crankshaft Position Sensor - Installation
1. Install the crank position sensor ( A , Figure 55) onto the
engine bosses.
55
2. Start by hand the two crankshaft position sensor
fasteners. Tighten until the fastener head makes contact
with the sensor. DO NOT overtighten as the sensor air
gap needs to be adjusted prior to final torqueing.
3. Using a feeler gauge, adjust the sensor air gap to
0.010-0.015 in (0.25-0.38 mm).
4. While maintaining the specified sensor air gap, tighten
the two sensor fasteners, in the sequence shown in
Figure 55 to 28 lb-in (3.2 Nm).
5. Connect the wire harness connector to the crankshaft
position sensor electrical connector.
Engine Head Temperature Sensor (EHT)
Engine Head Temperature (EHT) Sensor - Removal
1. If equipped with high-mount air cleaner assembly,
remove front cover panel and air cleaner assembly, see
Front Cover Panel - Removal and Air Cleaner Assembly -
High Mount - Removal .
2. Remove ignition coil, see Ignition Coil - Removal .
3. Remove the EHT sensor fastener ( A , Figure 56).
56
4. Remove the sensor from the engine and set aside.
NOTE: The EHT is non-replaceable and does not disconnect
from the engine harness. Replacement of the sensor requires
wire harness replacement. See Wire Harness - Removal and
Installation for replacement procedures.
Engine Head Temperature (EHT) Sensor -
Installation
1. Install the EHT sensor onto the engine. Make sure that
the sensor is touching the engine boss.
2. Start by hand the sensor fastener ( A , Figure 56). Tighten
to 45 lb-in (5 Nm).
97
Not for
Reproduction