Removal


Installation
Install the thermostat in the reverse order of removal.
Pay attention to the following points:
| Note air bleeder hole “a” of the thermostat faces upside. |

Tightening torque thermostat cover bolt (a): 10 n·m (1.0 Kgf-m, 7.0 Lbf-ft)

Cooling fan relay inspection
Thermostat inspectionStarter clutch inspection
Refer to “starter clutch removal and installation” .
Starter clutch
Install the starter driven gear onto the starter clutch.
Turn the starter driven gear by hand to inspect the
starter clutch for a smooth movement. The gear
turns in one direction only. If a large resistance is felt
...
Heated oxygen sensor (ho2s) removal and
installation
Removal
Do not
remove the ho2 sensor while it is hot.
Caution
be careful not to expose the ho2 sensor to
excessive shock.
Do not use an impact wrench when
removing or installing the ho2 sensor.
Be careful not to twist or damage t ...
Short circuit check (wire harness to ground)
Disconnect the negative (–) cable from the battery.
Disconnect the connectors/couplers at both ends of
the circuit to be checked.
Note
if the circuit to be checked branches to other
parts as shown, disconnect all connectors/
couplers of those parts. Otherwise, diagnos ...