If you have trouble code related to the oil hydraulic
motor(actuator) (P1825, P1826, P1827, P1828), check oil hydraulic motor
(actuator) according to the inspection process.
Oil Hydraulic Motor (Actuator) Inspection Procedure
Removal
1.
Remove the coupling assembly.
(Refer to "coupling assembly" in 4WD group)
2.
Keep going perpendicular state after remove the coupling assembly.
While removing the hydraulic motor from the coulping
assembly, make sure that the hydraulic motor keeps being vertical
to the level of work table or ground as shown in the image below
not to allow the coupling oil to spill out. If the coupling oil spilled
out of the hydraulic motor or the coupling assembly, replace the
coupling assembly with new one. (We do not recommend to add or
change the coupling oil because the coupling oil''s spec and
fill ratio greatly effect the performance and durability of the coupling
assembly.)
3.
Remove the hydraulic motor (actuators) after loosening bolts with hex wrench.
•
Remove the hydraulic motor (actuators) after dropping residual oil as much as possible inside the coupling. (abut 5~10 sec)
Installation
1.
Before installation, wipe the surface with a clean cloth.
2.
Check the O-rings of the new hydraulic motor (actuators).
•
You have to prevent any dust from entering inside hydraulic motors (actuators) and housing.
3.
Tighten the bolts after install the hydraulic motor (actuators).
•
When installing, motor connector has to toward in the direction of outside of the Coupling.
Tightening torque:
8.8 ~ 10.8 N.m (0.9 ~ 1.1 kgf.m, 6.5 ~ 8.0 lb-ft)
•
When installing, oil can be reflux by the pressure in air breather hole.(Oil reflux weight: about 5 ~ 10ml)
•
Change direction in the direction of the arrow and lay on the floor as shown in the illustration.
? The reflux oil will flow to the bottom.
•
You have to prevent additional backflow in according to order as shown in the illustration.
4.
Wipe the flowed oil to around the surface with a clean cloth.
5.
Measure the weight of the coupling.
Coupling assembly weight:
8.18 ~ 8.23kg (Current oil capacity 490ml)
•
If the weight of the coupling assembly is less than 8.18kg,
must be replace the coupling assembly because of suspect excessive
reflux.
Description
The 4WD ECU makes a Motor Pump(Actuator) turn round for
generating an oil pressure. And then it presses a multiple disk clutch
and transfers the generated torque into rear wheels. I ...
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Inspection
1.
Turn the ignition switch OFF.
2.
Remove the ECTS (Refer to "Removal").
3.
After immersing the thermistor of the sensor into engine coolant, measure resistance between the ECT ...