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Band Servo Piston AssemblyBCS001OU
COMPONENTS
DISASSEMBLY
1. Remove O/D servo piston retainer fitting bolts.
2. Apply compressed air to oil hole in transaxle case to remove O/
D servo piston assembly and band servo piston assembly.
CAUTION:
Hold band servo piston assembly with a rag or nylon waste.
3. Remove 2nd servo return spring from transaxle case.
1. Lock nut 2. Anchor end pin 3. Brake band
4. Strut 5. O-ring 6. Servo piston retainer
7. D-ring 8. O/D servo piston 9. O-ring
10. O/D servo piston retainer 11. O/D servo piston retainer fitting bolt 12. E-ring
13. Spring retainer 14. O/D servo return spring 15. D-ring
16. Band servo piston 17. Band servo thrust washer 18. Band servo piston stem
19. 2nd servo return spring
Refer to GI section to make sure icons (symbol marks) in the figure. Refer to GI-10, "
Components" .
SCIA7811E
AAT879
SCIA4447E
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REPAIR FOR COMPONENT PARTS
4. Apply compressed air to oil hole in O/D servo piston retainer to
remove O/D servo piston from O/D servo piston retainer.
CAUTION:
Hold O/D servo piston while applying compressed air.
5. Remove D-ring from O/D servo piston.
6. Remove O-rings (1), (2) and (3) from O/D servo piston retainer
(4).
(1): O-ring (small diameter)
(2): O-ring (medium diameter)
(3): O-ring (large diameter)
7. Remove band servo piston assembly from servo piston retainer
by pushing it forward.
8. Place band servo piston stem end on a wooden block. While
pushing spring retainer down, remove E-ring.
AAT880
SCIA3689E
SCIA7732E
SAT293D
SAT294D
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9. Remove spring retainer, O/D servo return spring, band servo
thrust washer and band servo piston stem from band servo pis-
ton.
10. Remove O-rings from servo piston retainer.
11. Remove D-rings from band servo piston.
INSPECTION
Pistons, Retainers and Piston Stem
Check frictional surfaces for abnormal wear or damage. Replace if necessary.
Return Springs
Check each return spring for deformation or damage. Also mea-
sure free length and outer diameter. Refer to AT- 3 6 8 , "
Band
Servo" .
Replace spring if deformed or fatigued.
SCIA4746E
SCIA3671E
SCIA3688E
AAT884
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AT-332
REPAIR FOR COMPONENT PARTS
ASSEMBLY
1. Install D-rings to band servo piston.
CAUTION:
Be careful to position of each D-ring.
2. Install band servo piston stem, band servo thrust washer, O/D
servo return spring and spring retainer to band servo piston.
3. Place band servo piston stem end on a wooden block. While
pushing spring retainer down, install E-ring.
4. Install O-rings to servo piston retainer.
CAUTION:
Be careful to position of each O-ring.
SCIA3688E
SCIA4746E
SCIA4336E
SCIA3671E
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5. Install band servo piston assembly to servo piston retainer by
pushing it inward.
6. Install D-ring to O/D servo piston.
7. Install O/D servo piston to O/D servo piston retainer fitting the
installation direction on it.
8. Install band servo piston assembly and 2nd servo return spring
to transaxle case.
CAUTION:
Apply ATF to O-ring of band servo piston and transaxle
case.
9. Install O-rings (1), (2) and (3) to O/D servo piston retainer (4).
(1): O-ring (small diameter)
(2): O-ring (medium diameter)
(3): O-ring (large diameter)
CAUTION:
Be careful to position of each O-ring.
SAT303D
SCIA3689E
AAT886
SCIA3672E
SCIA7732E
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REPAIR FOR COMPONENT PARTS
10. Install O/D servo piston retainer to transaxle case. Refer to AT-
329, "COMPONENTS" .
CAUTION:
Do not reuse O/D servo piston retainer fitting bolts.
AAT879
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AT-335
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Final DriveBCS001OV
COMPONENTS
DISASSEMBLY
1. Remove final gear.
2. Press out differential side bearings.
CAUTION:
Be careful not to mix up the right and left bearings.
1. Pinion mate gear 2. Pinion mate gear thrust washer 3. Pinion mate shaft
4. Lock pin 5. Side gear 6. Side gear thrust washer
7. Differential side bearing 8. Differential case 9. Final gear
10. Differential side bearing 11. Differential side bearing adjusting
shim
SCIA4912E
SMT505B
SMT744AA
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REPAIR FOR COMPONENT PARTS
3. Remove differential side bearing outer race and differential side
bearing adjusting shim from transaxle case.
4. Drive out lock pin with pin punch.
5. Draw out pinion mate shaft.
6. Remove pinion mate gears, pinion mate gear thrust washers,
side gears and side gear thrust washers.
INSPECTION
Gears, Washers, Pinion Mate Shaft and Differential Case
Check mating surfaces of differential case, side gears, pinion
mate gears and pinion mate shaft. Replace if necessary.
Check washers for wear. Replace if necessary.
SAT010FA
SAT904DA
SAT316D
SAT544F