torque NISSAN ALMERA 2001 Workshop Manual

6 CHECK SYMPTOM
Check again.
OK or NG
OK©INSPECTION END
NG©1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness con-
nector.
7 DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-351.
2. Check the following items:
+Shift valve B
+Overrun clutch control valve
+Shift solenoid valve B
+Pilot valve
+Pilot filter
3. Disassemble A/T.
4. Check the following items:
+Servo piston assembly
+Brake band
+Torque converter
+Oil pump assembly
OK or NG
OK©GO TO 6.
NG©Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
11. A/T Does Not Shift: D3®D4(Cont'd)
AT-322

12. A/T Does Not Perform Lock-up=NJAT0342SYMPTOM:
A/T does not perform lock-up at the specified speed.
1 CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to torque converter clutch solenoid valve circuit after cruise test?
SAT346H
YesorNo
Ye s©Check torque converter clutch solenoid valve circuit. Refer to AT-159 (General and
except for Euro-OBD)/AT-233 (Euro-OBD).
No©GO TO 2.
2 CHECK THROTTLE POSITION SENSOR
Check throttle position sensor. Refer to EC-207, ªDTC P0120 THROTTLE POSITION SENSORº.
SAT004K
OK or NG
OK©GO TO 3.
NG©Repair or replace throttle position sensor.
3 DETECT MALFUNCTIONING ITEM
1. Remove control valve. Refer to AT-351.
2. Check following items:
+Torque converter clutch control valve
+Torque converter relief valve
+Torque converter clutch solenoid valve
+Pilot valve
+Pilot filter
OK or NG
OK©GO TO 4.
NG©Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
12. A/T Does Not Perform Lock-up
AT-323

13. A/T Does Not Hold Lock-up Condition=NJAT0343SYMPTOM:
A/T does not hold lock-up condition for more than 30 seconds.
1 CHECK DIAGNOSTIC RESULTS
Does self-diagnosis show damage to engine speed signal circuit after cruise test?
SAT347H
YesorNo
Ye s©Check engine speed signal circuit. Refer to AT-172 (General and except for Euro-OBD)/
AT-200 (Euro-OBD).
No©GO TO 2.
2 CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
SAT171B
OK or NG
OK©GO TO 3.
NG©GO TO 5.
3 DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-351.
2. Check the following items:
+Torque converter clutch control valve
+Pilot valve
+Pilot filter
OK or NG
OK©GO TO 4.
NG©Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
13. A/T Does Not Hold Lock-up Condition
AT-325

4 CHECK SYMPTOM
Check again.
OK or NG
OK©INSPECTION END
NG©1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness con-
nector.
5 DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-351.
2. Check the following items:
+Torque converter clutch control valve
+Pilot valve
+Pilot filter
3. Disassemble A/T.
4. Check torque converter and oil pump assembly.
OK or NG
OK©GO TO 4.
NG©Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
13. A/T Does Not Hold Lock-up Condition (Cont'd)
AT-326

SAT065K
RemovalNJAT0115CAUTION:
Before separating transaxle from engine, remove the crank-
shaft position sensor (Euro-OBD) from transaxle. Be careful
not to damage sensor.
1. Remove battery and bracket.
2. Remove air duct between throttle body and air cleaner.
3. Disconnect A/T solenoid valve harness connector, PNP switch
harness connector and revolution sensor harness connector.
4. Remove crankshaft position sensor (Euro-OBD) from tran-
saxle.
SAT304G
5. Drain ATF from transaxle.
6. Disconnect control cable from transaxle.
7. Disconnect oil cooler hoses.
8. Remove drive shafts. Refer to AX-10, ªDrive Shaftº.
9. Remove the intake manifold support bracket. Refer to EM-11,
ªOUTER COMPONENT PARTSº.
10. Remove starter motor from transaxle.
Tighten bolts to specified torque.
: 41 - 52 N´m (4.2 - 5.3 kg-m, 30 - 38 ft-lb)
11. Remove upper bolts fixing transaxle to engine.
12. Support transaxle with a jack.
SAT028K
13. Remove center member.
+Tighten center member fixing bolts to specified torque, Refer
to EM-51, ªREMOVAL AND INSTALLATIONº.
REMOVAL AND INSTALLATION
Removal
AT-354

AAT259A
14. Remove rear plate cover.
15. Remove torque converter bolts.
Rotate crankshaft to gain access to securing bolts.
16. Remove rear transaxle to engine bracket. Refer to EM-51,
ªREMOVAL AND INSTALLATIONº.
17. Support engine with a jack.
18. Remove rear transaxle mount. Refer to EM-51, ªREMOVAL
AND INSTALLATIONº.
19. Remove lower bolts fixing transaxle to engine.
20. Lower transaxle while supporting it with a jack.
SAT977H
InstallationNJAT01161. Check drive plate runout.
CAUTION:
Do not allow any magnetic materials to contact the ring gear
teeth.
Maximum allowable runout:
Refer to EM-62, ªFLYWHEEL/DRIVE PLATE
RUNOUTº.
+If this runout is out of allowance, replace drive plate with ring
gear.
SAT573D
2. When connecting torque converter to transaxle, measure dis-
tance ªAº to be certain that they are correctly assembled.
Distance ªAº:
15.9 mm (0.626 in) or more
AAT266A
3. Install torque converter to drive plate.
+With converter installed, rotate crankshaft several turns to
check that transaxle rotates freely without binding.
SAT029K
4. Tighten belts fixing transaxle.
Bolt No.Tightening torque
N´m (kg-m, ft-lb)Bolt length ª!º
mm (in)
1 30 - 40 (3.1 - 4.1, 23 - 29) 50 (1.97)
2*1 16 - 20 (1.6 - 2.1, 12 - 15) 25 (0.98)
3 31 - 40 (3.1 - 4.1, 23 - 29) 30 (1.18)
4*2 30 - 40 (3.1 - 4.1, 23 - 29) 16 (0.63)
5*2 16 - 20 (1.6 - 2.1, 12 - 15) 20 (0.79)
REMOVAL AND INSTALLATION
Removal (Cont'd)
AT-355

NJAT0120
SAT049K
1. Drain ATF through drain plug.
SAT008D
2. Remove torque converter.
SAT009D
3. Check torque converter one-way clutch using check tool as
shown at left.
a. Insert check tool into the groove of bearing support built into
one-way clutch outer race.
b. While fixing bearing support with check tool, rotate one-way
clutch spline using flat-bladed screwdriver.
c. Check inner race rotates clockwise only. If not, replace torque
converter assembly.
SAT586H
4. Remove oil charging pipe and oil cooler tube.
DISASSEMBLY
AT-366

SAT115D
Oil StrainerNJAT0131S02+Check wire netting of oil strainer for damage.
SAT322GC
Shift Solenoid Valves A and B, Line Pressure Solenoid
Valve, Torque Converter Clutch Solenoid Valve and
Overrun Clutch Solenoid Valve
NJAT0131S03+Refer to ªResistance Checkº of each solenoid valve.
ValvesExcept for Euro-
OBDEuro-OBD
Shift solenoid valve A AT-147 AT-251
Shift solenoid vavle B AT-153 AT-257
Line pressure solenoid valve AT-182 AT-245
Torque converter clutch solenoid valve AT-164 AT-238
Overrun clutch solenoid valve AT-158 AT-273
SAT138D
Oil Cooler Relief Valve SpringNJAT0131S04+Check springs for damage or deformation.
+Measure free length and outer diameter.
Inspection standard:
Unit: mm (in)
Part No.!D
31872 31X00 17.0 (0.669) 8.0 (0.315)
SAT871J
ASSEMBLYNJAT01321. Install upper, inter and lower body.
a. Place oil circuit of upper body face up. Install steel balls in their
proper positions.
REPAIR FOR COMPONENT PARTS
Control Valve Assembly (Cont'd)
AT-392

3. Install and tighten bolts.
Bolt length, number and location:
Bolt symbolABCDE FG
Bolt length ª!º
13.5 mm
(0.531 in)58.0 mm
(2.283 in)44.0 mm
(1.732 in)66.0 mm
(2.598 in)33.0 mm
(1.299 in)78.0 mm
(3.071 in)18.0 mm
(0.709 in)
Number of bolts 6 3 6 11 2 2 1
F: Reamer bolt with nut
SAT869J
SAT081F
a. Install and tighten boltsBto specified torque.
:7-9N´m(0.7 - 0.9 kg-m, 61 - 78 in-lb)
SAT316GA
b. Install solenoid valve assembly and line pressure solenoid
valve to lower body.
REPAIR FOR COMPONENT PARTS
Control Valve Assembly (Cont'd)
AT-395

SAT323G
c. Remove reamer boltsFand set oil strainer on control valve
assembly.
d. Reinstall reamer boltsFfrom lower body side.
SAT083F
e. Tighten boltsA,C,DandFto specified torque.
:7-9N´m(0.7 - 0.9 kg-m, 61 - 78 in-lb)
SAT084FA
f. Tighten boltsEto specified torque.
: 3.4 - 4.4 N´m (0.35 - 0.45 kg-m, 30.4 - 39.1 in-lb)
REPAIR FOR COMPONENT PARTS
Control Valve Assembly (Cont'd)
AT-396