NISSAN 300ZX 1984 Z31 Automatic Transmission Service Manual

REPAIR FOR COMPONENT PARTS
Thickness mm (in)
50(0197)
5
2 (0 2051
54(02131
5
6 (0 2201
5 8 (0 2281
6 0 IO 236)
6 2 10.244)
-
Direct Clutch & FI
Part number
31567-XZ900
31567-XZ901
31 567-X2902
31 567-XZ903
31 567-X2904
31 567-X2905
31567-XZ906
6 Reassemble spring and retainer. Reinstall snap
ring. Be sure snap ring IS properly seated.
Thickness mm (in1
5 8 IO 228)
6 0 IO 236)
6.2 (0 244)
6 4 (0 252)
6 6 IO 260)
6 8 IO 268)
7 0 IO 276)
-
SAT028
Part number
31567.X2904
31567-XZ905
31567-XZ906
31507-X8600
31507-X8601
31537-XZ800
31537-X2801
7. Install dish plate
High-reverse clutch (Front)
Direct clutch
SAT554
8. Install driven plates, drive plates, and secure
with snap ring.
9. Measure clearance between retainer plate and
snap ring
Specified clearance:
1.6. 1.8 mm (0.063.0.071 in)
it Clutch (Cont'd)
If necessary, try other retaining plates having
different thicknesses until correct clearance
IS
o bta i ned
Direct clutch
turbo 7 2 IO 283)
7410291)
AT-41

REPAIR FOR COMPONENT PARTS
-Direct Clutch & Front Clutch -
(Cont'd)
10. Testing high-reverse clutch (Front)
With high-reverse clutch (Front) assembled on
drum support, direct
a jet of ari into hole in
clutch drum for definite clutch operation.
SAT621
AT-42

REPAIR FOR COMPONENT PARTS
Forward Clutch (Rear)
In rasvd to the number of clutch sheets (drwe plats and drren plate). refer m S D.S
Snap ring
Retamer plate Olsh plate 000-e
%&
Return spring
Piston, 7
\Rear clutch drum
SAT728
Service procedures for forward clutch (Rear) are
essentially the
same as those for high-reverse clutch
(Front), with the following exception.
Specified clearance between retainer plate
and snap ring:
0.8 - 1.5 rnrn (0.031 - 0.059 in)
v SAT035
Test rear clutch
SAT622
AT-43

REPAIR FOR COMPONENT PARTS
Low & Reverse Brake
In regard to the number of clutch sheets (drwe plate and driven platel. refer to S D S
Toward front
Sprmg thrust rkng
Low and reverse return spring
Return thrust washer
Drwen plate (Steel platel
\-Retainer plate
Snap rlng
INSPECTION
Examine for damaged drive plate facing and
worn snap ring.
Check drive plate facing for wear; if necessary,
replace
Drive plate thickness:
Standard
Allowable limit
1.90 - 2.05 mm (0.0748 - 0.0807 in)
1.8 mm (0.071 in)
seal ring
SAT729
AT-44

REPAIR FOR COMPONENT PARTS
Brake Band and Band Servo
*Return rpnng
Band servo piston
Lathecvt ring real
\servo retainer
‘-Band servo piston stem
Lock nut SAT559
INSPECTION
inspect band frictlon rnaterlal for wear If
cracked, chipped or burnt spots are apparent,
replace the band.
SAT327
Check band %+NO components for wear and
scoring
AT-45

Prmary valve ~~
Wire
dia
(In)
(0 5 - 0 7 kg-m,
Installed Outer mil
dia
mm (in)
No of Free length
active coil mm (in) Length
mm (in) N (kg, Ib)
- \01i distributor
VG30E Primary
governor VG30E turbo
SAT560
0 65 (0 0256) 8 95 (0 3524)
0 45 (0 0177) 8 75 (0 3445)
4 4
50 10 5 (0 413)
21 8 (0 858)
7 5 (0 295)
7
5 (0 295)
2 109 (0 215,O 474)
2 109 (0 215,O 474)
mor
VG30E Secondary
0 Check valves for burning or scratches. Inspect
springs for weakness or burning Replace parts
as necessary
Do not interchange components of primary and
secondary governor valves
GOVERNOR VALVE SPRING CHART
0 70 (0 0276) 9 20 (0 3622) 5 5 19 8 (0 780) 10 5 (0 4131 6 9 (0 7,l 5)
rt:A As instaled
Wvernor
SAT039
VG30E turbo 0 70 (0 0276) 9 20 (0 3622) 5 5 19 8 (0 780) 10 5 (0 413) 6 9 (0 7.1 5)
Valve spring
AT-46

REPAIR FOR COMPONENT PARTS
Accumulator
I Accumulator
dia Wire dia
rnrn (in) mm (in)
Valve spring
Snap ring J
SAT561
active WII mm (in) Length Load
mm (in) N (kg. Ib)
0 Remove snap ring, then apply pressure to
remove accumulator plug, piston and spring.
18
(0 071) Accumulator spring
SAT529
0 Check accumulator components for wear and
I scoring.
I I I
39 7 30 5 58 8
(1 563) (1 201) (6 0, 13 21 73 14 85
(0 5846)
AT-47

REPAIR FOR COMPONENT PARTS
Planetary Carrier
INSPECTION
Check clearance between pinion washer and
planetary carrier with a feeler
Standard clearance.
Wear
limit:
0.20 ~ 0.70 mm (0.0079 - 0.0276 in)
0.80 mm (0.0315 in)
Feeler gauge-,
SAT730
0 Check planetary gear sets and bearings for
damaged or worn gears.
-Connecting Drum Assembly-
If one-way clutch IS out of order as determined
during disassembly, repair
it as follows
1. Remove each snap ring, then draw out one-way
clutch inner & outer race
-Connecting drum
SAT562
2. Inspect one-way sprag and contacting surface
for wear or burns.
Replace parts
as necessary.
3. Assemble those parts.
-Toward front of vehicle
SAT563
AT-48

ASSEMBLY
1. Install parking rod, manual plate, manual plate
lock nut, parking brake lever and snap rings.
Ob/-- 0 - 0- 7
SAT720
2 Lubricate and install low and reverse piston
into the case.
SATM8
3 Install thrust ring, piston return spring, thrust
washer and oneway clutch inner race.


4. Install hex-head slotted bolts.
Check that return spring is centered on race before
tightening.
AT135
5 Install steel dished plate first, then steel and
friction plates, and, finally, retaining plate and
snap-ring
AT129
AT-50