transaxle TOYOTA RAV4 2006 Service Repair Manual

U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE ASSEMBLYAX–179
AX
16. INSPECT AUTOMATIC TRANSAXLE FLUID
(a) Inspect the automatic transaxle fluid (see page AX-
126).
17. PERFORM RESET MEMORY
(a) Perform the RESET MEMORY procedures (A/T
initialization) (see page AX-20).

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DISASSEMBLY
1. REMOVE PARK/NEUTRAL POSITION SWITCH
ASSEMBLY
(a) Remove the nut, washer and control shaft lever.
(b) Using a screwdriver, pry off the lock plate.
(c) Remove the nut and lock plate.
(d) Remove the 2 bolts and pull out the switch.
2. REMOVE BREATHER PLUG HOSE
(a) Remove the breather plug hose from the transaxle
case.
3. REMOVE OIL COOLER OUTLET TUBE ELBOW
(a) Remove the elbow.
(b) Remove the O-ring from the elbow.
4. REMOVE OIL COOLER INLET TUBE ELBOW
(a) Remove the elbow.
(b) Remove the O-ring from the elbow.
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U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE UNITAX–191
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5. REMOVE SPEED SENSOR
(a) Remove the 2 bolts and the 2 speed sensors from
the transaxle.
6. REMOVE NO. 1 TRANSAXLE CASE PLUG
(a) Remove the 4 plugs from the transaxle case.
(b) Remove the 4 O-rings from the 4 plugs.
7. REMOVE SPEEDOMETER DRIVEN HOLE COVER
SUB-ASSEMBLY
(a) Remove the bolt and cover.
(b) Remove the O-ring from the cover.
8. FIX AUTOMATIC TRANSAXLE ASSEMBLY
(a) Fix the transaxle.
9. REMOVE AUTOMATIC TRANSAXLE OIL PAN SUB-
ASSEMBLY
(a) Remove the 18 bolts, oil pan and gasket.
(b) Remove the 2 magnets from the oil pan.
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10. INSPECT TRANSMISSION OIL CLEANER MAGNET
(a) Remove the magnets and use them to collect any
steel chips. Examine the chips and particles in the
pan and on the magnet to determine what type of
wear has occurred in the transaxle.
Result:
Steel (magnetic):
Wear of the bearing, gear and plate
Brass (non-magnetic):
Wear of the bush
11. REMOVE VALVE BODY OIL STRAINER ASSEMBLY
(a) Remove the 3 bolts and oil strainer.
(b) Remove the O-ring from the oil strainer.
12. REMOVE TRANSMISSION WIRE
(a) Remove the 7 connectors from the shift solenoid
valves.
(b) Remove the bolt, lock plate and temperature
sensor.
(c) Remove the bolt and transmission wire from the
transaxle case.
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U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE UNITAX–193
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13. REMOVE TRANSMISSION VALVE BODY ASSEMBLY
(a) Support the valve body and remove the 17 bolts and
valve body.
14. REMOVE NO. 1 GOVERNOR APPLY GASKET
(a) Remove the gasket from the transaxle case.
15. REMOVE TRANSAXLE CASE 2ND BRAKE GASKET
(a) Remove the gasket from the transaxle case.
16. REMOVE BRAKE DRUM GASKET
(a) Remove the gasket from the transaxle case.
17. REMOVE CHECK BALL BODY
(a) Remove the check ball body and spring from the
transaxle case.
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AX–194U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE UNIT
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18. REMOVE C-3 ACCUMULATOR PISTON
(a) Remove the spring from the C-3 accumulator
piston.
(b) Apply compressed air (392 kPa, 4.0 kgf/cm
2, 57 psi)
to the oil hole and remove the C-3 accumulator
piston.
NOTICE:
• Applying compressed air may cause the
piston to jump out. When removing the
piston, hold it using a waste cloth.
• Take care not to splash ATF when applying
compressed air.
(c) Remove the O-ring from the C-3 accumulator
piston.
19. REMOVE REVERSE CLUTCH ACCUMULATOR
PISTON
(a) Apply compressed air (392 kPa, 4.0 kgf/cm
2, 57 psi)
to the oil hole and remove the reverse accumulator
piston and spring.
NOTICE:
• Applying compressed air may cause the
piston to jump out. When removing the
piston, hold it using a waste cloth.
• Take care not to splash ATF when applying
compressed air.
(b) Remove the 2 O-rings from the reverse clutch
accumulator piston.
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20. REMOVE B-3 ACCUMULATOR PISTON
(a) Apply compressed air (392 kPa, 4.0 kgf/cm
2, 57 psi)
to the oil hole and remove the B-3 accumulator
piston and 2 springs.
NOTICE:
• Applying compressed air may cause the
piston to jump out. When removing the
piston, hold it using a waste cloth.
• Take care not to splash ATF when applying
compressed air.
(b) Remove the O-ring from the B-3 accumulator
piston.
21. REMOVE MANUAL VALVE LEVER SHAFT RETAINER
SPRING
(a) Using needle-nose pliers, remove the manual valve
lever shaft retainer spring.
22. REMOVE MANUAL DETENT SPRING SUB-
ASSEMBLY
(a) Remove the 2 bolts, manual detent spring and
cover.
23. REMOVE PARKING LOCK PAWL BRACKET
(a) Remove the 2 bolts and parking lock pawl bracket.
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24. REMOVE MANUAL VALVE LEVER SUB-ASSEMBLY
(a) Using a chisel and hammer, cut off and remove the
spacer.
(b) Using a pin punch (
35 mm) and hammer, drive out
the pin.
HINT:
Slowly drive out the pin so that it does not fall into
the transaxle case.
(c) Remove the manual valve lever shaft and manual
valve lever.
25. REMOVE PARKING LOCK ROD SUB-ASSEMBLY
(a) Remove the parking lock rod from the manual valve
lever.
26. REMOVE MANUAL VALVE LEVER SHAFT OIL SEAL
(a) Using a screwdriver, pry out the oil seal from the
transaxle case.
NOTICE:
Do not apply excessive force when removing
the oil seal.
27. FIX AUTOMATIC TRANSAXLE ASSEMBLY
(a) Fix the transaxle case in place with the oil pump
side facing up.
28. INSPECT INPUT SHAFT ENDPLAY (See page AX-213)
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29. REMOVE TRANSAXLE HOUSING
(a) Remove the 16 bolts.
(b) Tap on the circumference of the transaxle housing
with a plastic-faced hammer to remove the
transaxle housing from the transaxle case.
NOTICE:
The differential may be accidentally removed
when the transaxle housing is removed.
30. REMOVE OIL PUMP ASSEMBLY
(a) Remove the 7 bolts and oil pump from the transaxle
case.
31. REMOVE THRUST NEEDLE ROLLER BEARING
(a) Remove the thrust needle roller bearing from the
underdrive planetary gear.
32. REMOVE NO. 2 THRUST BEARING UNDERDRIVE
RACE
(a) Remove the thrust bearing race from the underdrive
planetary gear.
33. REMOVE DIFFERENTIAL GEAR ASSEMBLY
(a) Remove the differential gear from the transaxle
case.
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34. REMOVE OVERDRIVE BRAKE GASKET
(a) Remove the 2 overdrive brake gaskets from the
transaxle case.
35. REMOVE FORWARD CLUTCH ASSEMBLY
(a) Remove the forward clutch from the transaxle case.
(b) Remove the thrust needle roller bearing from the
forward clutch.
36. REMOVE MULTIPLE DISC CLUTCH HUB
(a) Remove the thrust needle roller bearing, multiple
disc clutch hub, thrust needle roller bearing and No.
1 thrust bearing race from the transaxle case.
37. INSPECT MULTIPLE DISC CLUTCH HUB (See page
AX-210)
38. REMOVE UNDERDRIVE PLANETARY GEAR
ASSEMBLY
(a) Remove the bolt and pawl shaft clamp.
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