3-21
Trouble symptom
Probable cause
Remedy
4. Clutch or converter oil
4. Clutch or converter oil
pressure is too high
1) Torque converter
·
·
Viscosity of oil is too high (at cold time).
The oil that is not regulated is used.
·
·
Warm up the torque converter if the
temperature of torque converter oil is
below outside air temperature.
Change the oil to regular oil.
2) Transmission
- Valve assy
·
The value does not operate normally
because the valve has damage and
the valve catch rubbishy in valve.
·
Repair the valve assy and change
them.
5. Clutch or converter oil
5. Clutch or converter oil
pressure is too low
1) Torque converter
·
·
·
·
The oil is in short supply.
The oil that isn't regulated is used.
The charging pump is worn and
broken.
The oil seal ring or O-ring is worn.
·
·
·
·
Replenish oil.
Change the oil to regular oil.
Change the charging pump.
Change the oil seal ring or the O-ring.
2) Transmission
- Valve assy
- Clutch
·
·
·
·
The spring is setting and broken.
The valve does not move with the
valve opens.
The orifice is clogging.
The seal ring of the clutch piston are
damaged.
·
·
·
·
Change the spring.
Repair the valves or change it.
Wash the orifice.
Change the clutch piston.
6. Noises occurs
1) Transmission
·
·
·
·
·
The clutch is sticking and dragging.
The bearings are sticking are worn.
The gear is broken.
The spline is worn.
The bolt is loosen or broken.
·
·
·
·
·
Change the clutch.
Change the bearing.
Change the gear.
Change the spline.
Tighten the bolt or change it.
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