Infiniti I30 (A33). Manual — part 85
SAT212D
Overrun Clutch Piston
NHAT0155S05
I
Make sure that check balls are not fixed.
I
Apply compressed air to check ball oil hole opposite the return
spring. Make sure there is no air leakage.
I
Apply compressed air to oil hole on return spring side. Make
sure that air leaks past ball.
SAT127FB
ASSEMBLY
NHAT0156
1.
Install D-rings and oil seals on forward clutch piston and over-
run clutch piston.
I
Take care with direction of oil seal.
I
Apply ATF to both parts.
SAT126F
2.
Install overrun clutch piston assembly on forward clutch piston
by turning it slowly.
I
Apply ATF to inner surface of forward clutch piston.
SAT125F
3.
Install forward clutch piston assembly on forward clutch drum
by turning it slowly.
I
Apply ATF to inner surface of drum.
SAT131F
4.
Install return spring on overrun clutch piston.
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
REPAIR FOR COMPONENT PARTS
Forward and Overrun Clutches (Cont’d)
AT-337
SAT133F
I
Align the mark on spring retainer with check ball in overrun
clutch piston.
SAT124FB
5.
Set Tool on spring retainer and install snap ring while com-
pressing return springs.
I
Set Tool directly over return springs.
SAT134F
I
Do not align snap ring gap with spring retainer stopper.
SAT204D
6.
Install drive plates, driven plates, retaining plate and dish plate
for overrun clutch.
I
Take care with order of plates.
7.
Install snap ring for overrun clutch.
SAT135F
8.
Measure clearance between overrun clutch retaining plate and
snap ring.
If not within allowable limit, select proper retaining plate.
Specified clearance:
Standard 0.7 - 1.1 mm (0.028 - 0.043 in)
Allowable limit 1.7 mm (0.067 in)
Overrun clutch retaining plate:
Refer to SDS, AT-385.
REPAIR FOR COMPONENT PARTS
Forward and Overrun Clutches (Cont’d)
AT-338
SAT203D
9.
Install drive plates, driven plates, retaining plate and dish plate
for forward clutch.
I
Take care with order of plates.
10. Install snap ring for forward clutch.
SAT228D
11. 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-385.
SAT123F
12. Check operation of forward clutch.
Refer to “DISASSEMBLY”, “Forward Clutch and Overrun
Clutch”, AT-334.
13. Check operation of overrun clutch.
Refer to “DISASSEMBLY”, “Forward Clutch and Overrun
Clutch”, AT-334.
Low & Reverse Brake
COMPONENTS
NHAT0157
SAT137FC
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
REPAIR FOR COMPONENT PARTS
Forward and Overrun Clutches (Cont’d)
AT-339
SAT147F
DISASSEMBLY
NHAT0158
1.
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:
I
D-ring might be damaged.
I
Fluid might be leaking past piston check ball.
SAT149F
2.
In order to remove piston, apply compressed air to oil hole of
retainer while holding piston.
I
Apply air gradually and allow piston to come out evenly.
SAT150F
3.
Remove D-rings from piston.
INSPECTION
NHAT0159
Low and Reverse Brake Snap Ring, Spring Retainer
and Return Springs
NHAT0159S01
I
Check for deformation, fatigue or damage.
If necessary, replace.
I
When replacing spring retainer and return springs,
replace them as a set.
SAT162D
Low and Reverse Brake Drive Plate
NHAT0159S02
I
Check facing for burns, cracks or damage.
I
Measure thickness of facing.
Thickness of drive plate:
Standard value 1.8 mm (0.071 in)
Wear limit 1.6 mm (0.063 in)
I
If not within wear limit, replace.
REPAIR FOR COMPONENT PARTS
Low & Reverse Brake (Cont’d)
AT-340
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