NISSAN ALMERA 2001 Service Manual

Low & Reverse Brake
COMPONENTS=NJAT0153
SAT039K
SAT230D
DISASSEMBLYNJAT01541. Check operation of low & reverse brake.
a. Apply compressed air to oil hole of transmission case.
b. Check to see that retaining plate moves to snap ring.
c. If retaining plate does not contact snap ring:
+D-ring might be damaged.
+Oil seal might be damaged.
+Fluid might be leaking past piston check ball.
SAT231D
2. Stand transmission case.
3. Remove snap ring.
4. Remove drive plates, driven plates, retaining plate from trans-
mission case.
REPAIR FOR COMPONENT PARTS
Low & Reverse Brake
AT-419

SAT242D
5. Set Tool on spring retainer and remove snap ring while com-
pressing return springs.
+Set Tool directly above return springs.
+Do not expand snap ring excessively.
6. Remove spring retainer and return springs.
SAT303E
+Do not remove return springs from spring retainer.
SAT234D
7. Apply compressed air to oil hole of transmission case while
holding piston.
8. Remove piston from transmission case by turning it.
SAT767G
9. Remove D-ring and oil seal from piston.
REPAIR FOR COMPONENT PARTS
Low & Reverse Brake (Cont'd)
AT-420

INSPECTIONNJAT0155Low & Reverse Clutch Snap Ring, Spring Retainer and
Return Springs
NJAT0155S01+Check for deformation, fatigue or damage.
+Replace if necessary.
+When replacing spring retainer and return springs,
replace them as a set.
SAT162D
Low & Reverse Brake Drive PlatesNJAT0155S02+Check facing for burns, cracks or damage.
+Measure thickness of facing.
Thickness of drive plate:
Standard value: 2.0 mm (0.079 in)
Wear limit: 1.8 mm (0.071 in)
+If not within wear limit, replace.
SAT235DA
ASSEMBLYNJAT01561. Install D-ring and oil seal on piston.
+Take care with the direction of the oil seal.
+Apply ATF to both parts.
SAT239D
2. Stand transmission case.
3. Install piston assembly on transmission case while turning it
slowly.
+Apply ATF to inner surface of transmission case.
SAT241D
4. Install return springs and spring retainer on piston.
For return spring, refer to AT-477.
REPAIR FOR COMPONENT PARTS
Low & Reverse Brake (Cont'd)
AT-421

SAT242D
5. Install snap ring while compressing return springs.
+Set Tool directly above return springs.
SAT254E
6. Install drive plates, driven plates, retaining plates and dished
plates.
+Do not align the projections on the two dished plates.
+Make sure to put the plates in the correct order and direc-
tion.
SAT231D
7. Install snap ring.
SAT246D
8. Measure clearance between retaining plate and snap ring. If
not within allowable limit, select proper retaining plate (front
side).
Specified clearance:
Standard: 1.4 - 1.8 mm (0.055 - 0.071 in)
Allowable limit:
2.8 mm (0.110 in)
Retaining plate:
Refer to SDS, AT-476.
SAT230D
9. Check operation of low & reverse brake.
Refer to ªDISASSEMBLYº, AT-419.
REPAIR FOR COMPONENT PARTS
Low & Reverse Brake (Cont'd)
AT-422

Rear Internal Gear, Forward Clutch Hub and
Overrun Clutch Hub
COMPONENTSNJAT0157
SAT875J
SAT249D
DISASSEMBLYNJAT01581. Remove snap ring from overrun clutch hub.
2. Remove overrun clutch hub from forward clutch hub.
SAT250D
3. Remove thrust washer from forward clutch hub.
REPAIR FOR COMPONENT PARTS
Rear Internal Gear, Forward Clutch Hub and Overrun Clutch Hub
AT-423

SAT251D
4. Remove forward clutch hub from rear internal gear.
SAT252D
5. Remove end bearing from rear internal gear.
SAT253D
6. Remove thrust washer from rear internal gear.
SAT254D
7. Remove end bearing from forward one-way clutch.
SAT255D
8. Remove one-way clutch from forward clutch hub.
REPAIR FOR COMPONENT PARTS
Rear Internal Gear, Forward Clutch Hub and Overrun Clutch Hub (Cont'd)
AT-424

SAT256D
INSPECTIONNJAT0159Rear Internal Gear, Forward Clutch Hub and Overrun
Clutch Hub
NJAT0159S01+Check rubbing surfaces for wear or damage.
SAT257D
Snap Ring, End Bearings and Forward One-way ClutchNJAT0159S02+Check snap ring and end bearings for deformation and dam-
age.
+Check forward one-way clutch for wear and damage.
SAT976H
ASSEMBLYNJAT01601. Install forward one-way clutch on forward clutch.
+Take care with the direction of forward one-way clutch.
SAT259D
2. Install end bearing on forward one-way clutch.
+Apply petroleum jelly to end bearing.
SAT260D
3. Install thrust washer on rear internal gear.
+Apply petroleum jelly to thrust washer.
+Align pawls of thrust washer with holes of rear internal
gear.
REPAIR FOR COMPONENT PARTS
Rear Internal Gear, Forward Clutch Hub and Overrun Clutch Hub (Cont'd)
AT-425

SAT261D
4. Install end bearing on rear internal gear.
+Apply petroleum jelly to end bearing.
SAT713H
5. Install forward clutch hub on rear internal gear.
+Check operation of forward one-way clutch.
Hold rear internal gear and turn forward clutch hub. Check
forward clutch hub for correct locking and unlocking
directions.
+If not as shown in illustration, check installation direction
of forward one-way clutch.
SAT263D
6. Install thrust washer and overrun clutch hub.
+Apply petroleum jelly to thrust washer.
+Align pawls of thrust washer with holes of overrun clutch
hub.
SAT264D
7. Install overrun clutch hub on rear internal gear.
+Align projections of rear internal gear with holes of over-
run clutch hub.
SAT248D
8. Install snap ring to groove of rear internal gear.
REPAIR FOR COMPONENT PARTS
Rear Internal Gear, Forward Clutch Hub and Overrun Clutch Hub (Cont'd)
AT-426

O/Shaft, O/Gear, I/Gear, R/Pinion Gear and B/
Retainer Ð 3AX00, 01, 19, 63 and 64 models
COMPONENTSNJAT0239
SAT104K
SAT666D
DISASSEMBLYNJAT02401. Remove seal rings from output shaft and bearing retainer.
REPAIR FOR COMPONENT PARTS
O/Shaft, O/Gear, I/Gear, R/Pinion Gear and B/Retainer Ð 3AX00, 01, 19, 63 and 64 models
AT-427

SAT592G
2. Press out output shaft bearing inner race.
SAT168K
3. Remove output shaft bearing outer race from bearing retainer.
SAT669D
4. Remove output gear bearing inner race.
SAT169K
5. Remove output gear bearing outer race from bearing retainer.
SAT648D
6. Remove idler gear bearing inner race.
REPAIR FOR COMPONENT PARTS
O/Shaft, O/Gear, I/Gear, R/Pinion Gear and B/Retainer Ð 3AX00, 01, 19, 63 and 64 models (Cont'd)
AT-428