NISSAN ALMERA 2001 Service Manual

INSPECTIONNJAT0147Reverse Clutch Snap Ring, Spring Retainer and Return
Springs
NJAT0147S01+Check for deformation, fatigue or damage.
+Replace if necessary.
+When replacing spring retainer and return springs,
replace them as a set.
SAT162D
High Clutch Drive PlatesNJAT0147S02+Check facing for burns, cracks or damage.
+Measure thickness of facing.
Thickness of drive plate:
Standard value: Refer to SDS, AT-475.
Wear limit: Refer to SDS, AT-475.
+If not within wear limit, replace.
SAT186D
High Clutch PistonNJAT0147S03+Make sure check balls are not fixed.
+Apply compressed air to check ball oil hole opposite the return
spring. Make sure there is no air leakage.
+Apply compressed air to oil hole on return spring side to make
sure air leaks past ball.
SAT187D
Seal Ring ClearanceNJAT0147S04+Install new seal rings onto input shaft.
+Measure clearance between seal ring and ring groove.
Standard clearance:
0.08 - 0.23 mm (0.0031 - 0.0091 in)
Allowable limit:
0.23 mm (0.0091 in)
+If not within wear limit, replace input shaft assembly.
SAT182DA
ASSEMBLYNJAT01481. Install D-ring and oil seal on piston.
+Take care with the direction of the oil seal.
+Apply ATF to both parts.
REPAIR FOR COMPONENT PARTS
High Clutch (Cont'd)
AT-409

SAT189D
2. Install piston assembly by turning it slowly.
+Apply ATF to inner surface of drum.
SAT191D
3. Install return springs and spring retainer on piston.
For return spring, refer to AT-477.
SAT617H
4. Set Tool on spring retainer and install snap ring while com-
pressing return springs.
+Set Tool directly above return springs.
SAT193D
+Do not align snap ring gap with spring retainer stopper.
SAT195D
5. Install drive plates, driven plates and retaining plate.
Take care with the order and direction of plates.
6. Install snap ring.
REPAIR FOR COMPONENT PARTS
High Clutch (Cont'd)
AT-410

SAT199D
7. Measure clearance between retaining plate and snap ring. If
not within allowable limit, select proper retaining plate.
Specified clearance:
Standard: 1.4 - 1.8 mm (0.055 - 0.071 in)
Allowable limit: 2.4 mm (0.094 in)
Retaining plate:
Refer to SDS, AT-475.
SAT196D
8. Check operation of high clutch.
Refer to ªHigh Clutchº, AT-407.
SAT197D
9. Install seal rings to input shaft.
+Apply petroleum jelly to seal rings.
SAT198D
+Roll paper around seal rings to prevent seal rings from
spreading.
REPAIR FOR COMPONENT PARTS
High Clutch (Cont'd)
AT-411

Forward Clutch and Overrun Clutch
COMPONENTSNJAT0149
SAT932JA
SAT201D
DISASSEMBLYNJAT01501. Check operation of forward clutch and overrun clutch.
a. Install bearing retainer on forward clutch drum.
b. Apply compressed air to oil hole of forward clutch drum.
c. Check to see that retaining plate moves to snap ring.
SAT202D
d. 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.
REPAIR FOR COMPONENT PARTS
Forward Clutch and Overrun Clutch
AT-412

SAT203D
2. Remove snap ring for forward clutch.
3. Remove drive plates, driven plates, retaining plate and dish
plate for forward clutch.
SAT204D
4. Remove snap ring for overrun clutch.
5. Remove drive plates, driven plates, retaining plate and dish
plate for overrun clutch.
SAT205D
6. Set Tool on spring retainer and remove snap ring from forward
clutch drum while compressing return springs.
+Set Tool directly above return springs.
+Do not expand snap ring excessively.
7. Remove spring retainer and return springs.
SAT216D
8. Remove forward clutch piston with overrun clutch piston from
forward clutch drum by turning it.
SAT215D
9. Remove overrun clutch piston from forward clutch piston by
turning it.
REPAIR FOR COMPONENT PARTS
Forward Clutch and Overrun Clutch (Cont'd)
AT-413

SAT140E
10. Remove D-rings and oil seals from forward clutch piston and
overrun clutch piston.
INSPECTIONNJAT0151Snap Rings and Spring RetainerNJAT0151S01+Check for deformation, fatigue or damage.
SAT138D
Forward Clutch and Overrun Clutch Return SpringsNJAT0151S02+Check for deformation or damage.
+Measure free length and outer diameter.
Inspection standard:
Refer to SDS, AT-477.
+Replace if deformed or fatigued.
SAT162D
Forward Clutch and Overrun Clutch Drive PlatesNJAT0151S03+Check facing for burns, cracks or damage.
+Measure thickness of facing.
Thickness of drive plate:
Forward clutch
Standard value: 1.8 mm (0.071 in)
Wear limit: 1.6 mm (0.063 in)
Overrun clutch
Standard value: 1.6 mm (0.063 in)
Wear limit: 1.4 mm (0.055 in)
+If not within wear limit, replace.
REPAIR FOR COMPONENT PARTS
Forward Clutch and Overrun Clutch (Cont'd)
AT-414

SAT163D
Forward Clutch and Overrun Clutch Dish PlatesNJAT0151S04+Check for deformation or damage.
+Measure thickness of dish plate.
Thickness of dish plate ªtº:
Forward clutch: 2.5 mm (0.098 in)
Overrun clutch: 2.15 mm (0.0846 in)
+If deformed or fatigued, replace.
SAT213D
Forward Clutch DrumNJAT0151S05+Make sure check balls are not fixed.
+Apply compressed air to check ball oil hole from outside of
forward clutch drum. Make sure air leaks past ball.
+Apply compressed air to oil hole from inside of forward clutch
drum. Make sure there is no air leakage.
SAT212D
Overrun Clutch PistonNJAT0151S06+Make sure check balls are not fixed.
+Apply compressed air to check ball oil hole opposite the return
spring. Make sure there is no air leakage.
+Apply compressed air to oil hole on return spring side. Make
sure air leaks past ball.
SAT208DA
ASSEMBLYNJAT01521. Install D-rings and oil seals on forward clutch piston and over-
run clutch piston.
+Take care with direction of oil seal.
+Apply ATF to both parts.
SAT215D
2. Install overrun clutch piston assembly on forward clutch piston
while turning it slowly.
+Apply ATF to inner surface of forward clutch piston.
REPAIR FOR COMPONENT PARTS
Forward Clutch and Overrun Clutch (Cont'd)
AT-415

SAT216D
3. Install forward clutch piston assembly on forward clutch drum
while turning it slowly.
+Apply ATF to inner surface of drum.
SAT217D
4. Align notch in forward clutch piston with groove in forward
clutch drum.
SAT218D
5. Install return spring on piston.
6. Install spring retainer on return springs.
For return spring, refer to AT-477.
SAT205D
7. Set Tool on spring retainer and install snap ring while com-
pressing return springs.
+Set Tool directly above return springs.
SAT220D
+Do not align snap ring gap with spring retainer stopper.
REPAIR FOR COMPONENT PARTS
Forward Clutch and Overrun Clutch (Cont'd)
AT-416

SAT204D
8. Install drive plates, driven plates, retaining plate and dish plate
for overrun clutch.
9. Install snap ring for overrun clutch.
SAT227D
10. Measure clearance between overrun clutch retaining plate and
snap ring.
If not within allowable limit, select proper retaining plate.
Specified clearance:
Standard: 1.0 - 1.4 mm (0.039 - 0.055 in)
Allowable limit: 2.0 mm (0.079 in)
Overrun clutch retaining plate:
Refer to SDS, AT-476.
SAT203D
11. Install drive plates, driven plates, retaining plate and dish plate
for forward clutch.
Take care with the order and direction of plates.
12. Install snap ring for forward clutch.
SAT228D
13. Measure clearance between forward clutch retaining plate and
snap ring.
If not within allowable limit, select proper retaining plate.
Specified clearance:
Standard: 0.45 - 0.85 mm (0.0177 - 0.0335 in)
Allowable limit: 1.85 mm (0.0728 in)
Forward clutch retaining plate:
Refer to SDS, AT-476.
SAT201D
14. Check operation of forward clutch.
Refer to ªForward Clutch and Overrun Clutchº, AT-412.
REPAIR FOR COMPONENT PARTS
Forward Clutch and Overrun Clutch (Cont'd)
AT-417

SAT202D
15. Check operation of overrun clutch.
Refer to ªForward Clutch and Overrun Clutchº, AT-412.
REPAIR FOR COMPONENT PARTS
Forward Clutch and Overrun Clutch (Cont'd)
AT-418