Toyota Sequoia (2005). Manual — part 737
AT13G–01
D14133
A
D14130
Dimension B
–
AUTOMATIC TRANSMISSION (A750E, A750F)
AUTOMATIC TRANSMISSION UNIT
AT–29
2937
INSTALLATION
1.
CHECK TORQUE CONVERTER INSTALLATION
(a)
Install the torque converter to the transmission housing.
(b)
Using vernier calipers and a straight edge, measure di-
mension A between the transmission fitting part and the
converter fitting part of the drive plate.
(c)
Using vernier calipers and a straight edge, measure the
dimension B shown in the illustration and check that B is
greater than A measured in step (b).
Standard distance: A + 1 mm (0.04 in.) or more
2.
MEASURE DRIVE PLATE RUNOUT AND INSPECT
RING GEAR (See page
3.
TRANSMISSION INSTALLATION
Installation is in the reverse order of removal (See page
HINT:
After installation, adjust the shift lever position (See page
).
Fill with ATF and check the fluid level (See page
Fluid type: Toyota genuine ATF WS
Conduct the road test of the vehicle (See page
AT5436
SST
AT13H–01
AT5437
Hold
Turn
Free
Lock
Q04237
AT–30
–
AUTOMATIC TRANSMISSION (A750E, A750F)
TORQUE CONVERTER CLUTCH AND DRIVE PLATE
2938
TORQUE CONVERTER CLUTCH
AND DRIVE PLATE
INSPECTION
1.
INSPECT ONE–WAY CLUTCH
(a)
Install SST so that it fits in the notch of the converter hub
and outer race of the one–way clutch.
SST
09350–30020 (09351–32020)
(b)
Press on the serrations of the stator with a finger and ro-
tate it.
(c)
Check if it rotates smoothly when turned clockwise and
locks when turned counterclockwise.
If necessary, clean the converter clutch and retest the one–way
clutch.
Replace the converter clutch if the clutch still fails the test.
2.
MEASURE DRIVE PLATE RUNOUT AND INSPECT
RING GEAR
(a)
Set up a dial indicator and measure the drive plate runout.
Maximum runout: 0.20 mm (0.0079 in.)
(b)
Check for damage to the ring gear.
If runout is not within the specification or if the ring gear is dam-
aged, replace the drive plate. If installing a new drive plate, note
the orientation of the spacers and tighten the bolts (See page
TR04G–02
–
TRANSFER
TRANSFER SYSTEM
TR–1
2939
TRANSFER SYSTEM
PRECAUTION
NOTICE:
When disconnecting the battery terminal, initialize the following system after the terminal is recon-
nected.
System Name
See Page
Back Door Power Window Control System
When working with FIPG material, you must observe the following:
Using a razor blade and gasket scraper, remove all the old FIPG material from gasket surfaces.
Thoroughly clean all components to remove any loose material.
Clean both sealing surfaces with a non–residue solvent.
Apply FIPG in an approx. 1.2 mm (0.047 in.) wide bead along the sealing surface.
Parts must be assembled within 10 minutes of FIPG application. Otherwise, the FIPG material
must be removed and reapplied.
TR04H–04
TR–2
–
TRANSFER
TROUBLESHOOTING
2940
TROUBLESHOOTING
PROBLEM SYMPTOMS TABLE
Use the table below to help find the cause of the problem. The numbers indicate the priority of the likely cause
of the problem. Check each part in order. If necessary, replace these parts.
Symptom
Suspected Area
See page
Noise
1. Oil (Level low)
2. Oil (Wrong)
3. Transfer faulty
Oil leakage
1. Oil (Level too high)
2. Gasket (Damaged)
3. Oil seal (Worn or damaged)
4. O–ring (Worn or damaged)
Tight corner braking
Center differential or transfer faulty
Shift from 2WD (H) to 4WD (H) impossible
1. 4WD fuse
2. Wire harness
3. Vehicle speed sensor
4. 2WD/4HI switch
5. 4WD indicator light
6. Actuator assembly
7. A.D.D. control system
8. 4WD control ECU
9. Transfer assembly
–
–
Shift from 2WD (H) to 4WD (L4) impossible
1. 4LO switch
2. Wire harness
3. 4WD control ECU
–
Shift from 4WD (H) to 4WD (L4) impossible
1. 4LO switch
2. Wire harness
3. 4WD control ECU
–
Shift from 4WD (H) to 2WD (H) impossible
1. 4WD fuse
2. Wire harness
3. 4WD indicator light
4. Actuator assembly
5. A.D.D. control system
6. 4WD control ECU
7. Transfer assembly
–
–
Shift from 4WD (L4) to 2WD (H) impossible
1. 2WD/4HI switch
2. Wire harness
3. 4WD control ECU
–
Shift from 4WD (L4) to 4WD (H) impossible
1. 2WD/4HI switch
2. Wire harness
3. 4WD control ECU
–
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