Nissan Frontier D22. Manual — part 121
FORWARD AND OVERRUN CLUTCHES
AT-453
[RE4R01A]
D
E
F
G
H
I
J
K
L
M
A
B
AT
FORWARD AND OVERRUN CLUTCHES
PFP:31570
Components
ECS007PY
LCIA0261E
AT-454
[RE4R01A]
FORWARD AND OVERRUN CLUTCHES
Disassembly and Assembly
ECS007PZ
Forward and overrun clutches are serviced essentially the same way
as reverse clutch is serviced. However, note the following excep-
tions.
●
Check of forward clutch operation
●
Check of overrun clutch operation
●
Removal of forward clutch drum
Remove forward clutch drum from transmission case by holding
snap ring.
●
Removal of forward clutch and overrun clutch pistons
–
While holding overrun clutch piston, gradually apply com-
pressed air to oil hole.
SAT860A
SAT861A
SAT865A
SAT862A
FORWARD AND OVERRUN CLUTCHES
AT-455
[RE4R01A]
D
E
F
G
H
I
J
K
L
M
A
B
AT
–
Remove overrun clutch from forward clutch.
●
Removal and installation of return springs
●
Inspection of forward clutch and overrun clutch return springs
●
Inspection of forward clutch drive plates
SAT863A
SAT526G
Inspection standard
SAT829A
Thickness of drive plate
Standard
: 1.52 - 1.67 mm (0.0598 - 0.0657 in)
Wear limit
: 1.40 mm (0.0551 in)
SAT845A
AT-456
[RE4R01A]
FORWARD AND OVERRUN CLUTCHES
●
Inspection of overrun clutch drive plates
●
Installation of forward clutch piston and overrun clutch piston
–
Install forward clutch piston by turning it slowly and evenly.
•
Apply ATF to inner surface of clutch drum.
•
Align notch in forward clutch piston with groove in forward
clutch drum.
–
Install overrun clutch by turning it slowly and evenly.
•
Apply ATF to inner surface of forward clutch piston.
Thickness of drive plate
Standard
: 1.90 - 2.05 mm (0.0748 - 0.0807 in)
Wear limit
: 1.80 mm (0.0709 in)
SAT845A
SAT866A
SAT867A
SAT868A
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