torque NISSAN ALMERA N15 1995 Service Manual

Toolnumber
Tool name
PREPARATION
ANDPRECAUTIONS
Special Service Tools(Cont'd)

Description
8T37830000 Drift
8T33200000 Drift
8T35271000 Drift
8T33400001
Drift
KV40104840
Drift
KV38105710
Preload adapter
8T35321000
Drift
ST30633000 Drift
NT427
NT091
NT115
NT086
NT108
NT087
NT073 NT073
AT-5
Installing
idlergear bearing outerrace

a: 62 mm (2.44 in)dia.
b: 39 mm (1.54 in)dia.

Installing differential sidebearing (Except
model 34X81)

a: 60 mm (2.36 in)dia.
b: 44.5 mm(1.752 in)dia.

• Installing idlergear
• Installing outputgear(Except model
34X81)

a: 72 mm (2.83 in)dia.
b: 44 mm (1.73 in)dia.

• Installing oilpump housing oilseal
• Installing outputgearbearing outerrace
onto bearing retainer (Exceptmodel •
34X81)

a: 60 mm (2.36 in)dia.
b: 47 mm (1.85 in)dia.

Installing outputshaftbearing outerrace
onto bearing retainer (Exceptmodel
34X81)

a: 49 mm (1.93 in)dia.
b: 42 mm (1.65 in)dia.

- MODEL 34X81-
• Measuring turningtorqueoffinal drive
assembly
• Measuring clearancebetweensidegear
and differential casewithwasher
• Selecting differential sidebearing
adjusting shim
Installing outputshaftbearing
(Model 34X81)

a: 49 mm (1.93 in)dia.
b: 41 mm (1.61 in)dia.

Installing differential sidebearing outer
race (Model 34X81)

a: 67 mm (2.64 in)dia.
b: 49 mm (1.93 in)dia.

EXCEPTMODEL34X81

Reverse clutchdrum
DESCRIPTION
Cross-sectional View

Band servo piston
High clutch
Brake band

AT-8
Converter
housing
Torqueconverter

SAT502HB

MODEL34X81 DESCRIPTION
Cross-sectional View(Cant' d)

Reverse clutchdrum Band
servo piston
High clutch
Front planetary gear
Reduction piniongear
Low

&
reverse brake
Idler gear
Forward one-way clutch Low
one-way clutch
Rear planetary gear
Forward clutch
Overrun clutch

,"'I
Reverse
clutch
Brake band
Final gear

AT-9
Oil
pump assembly
Converterhousing
Torque converter
Input shaft

c
...
-;-

I

L_

Differential case

SAT101EA
•

MODEL34X68

4th

speed cut
valve
Overrunclutch
control
valve
Lock-up
control
valve
Torque '~..•.•
converter
>..•.••••

relief ..••.....
valve ..
Governor
valve
X:Drain port
: Orifice DESCRIPTION
Hydraulic ControlCircuit
Low
&
reverse
brake
High clutch
Detent valve
AT-10 Forward
clutch
1-2
shift
valve

SAT1961

MODEL34X69AND34X70 DESCRIPTION
Hydraulic ControlCircuit(Cont'd)
00 cancel
solenoid
Lock-up
control
valve

X :
Drain port
•

1-2
shift valve
Forward
clutch
accumulator
valve
High
clutch
Torque
converter
Oil
pump

i

=:= :
Orifice
Overrun
clutch
II

control
valve
4th
speed
cut
valve
SAT509H

AT-11

DESCRIPTION
Hydraulic ControlCircuit(Cont'd)
MODEL 34X80
1-2

shift
valve
1-2
accumulator

valve

~ 1

i i

xU

::l.

x

-

Detent valve

L-
_
-

cooler- Low

&
reverse
Torque brake
Oil converter Overrun ReverseForward

I
,clutch Highclutch Bandservo clutchclutch

pump
I
tJ
(Jp::-
(T,
tf1
--;::;-;r.]O~
~J
1~
g~ (~ ~~
l]
J~ ~

~iJ -
N
~%~
UL"-'
IU4~1~~

C-1
-!
~frEJ!
1

6 ~, -~

m
~,--J
0

- ILJ
,-O...J

r
ar

r::r=< I'---,
II .(
I'
IJ

,'-
~
,,'
(
-

I -

=-
~tL ',
~H

I~

~ ~M~ ·

F=
f='l .,.11
1-
~I" ~

" ~r'
I
L...---...l
reducing_

L
2-3 .4-2
I
~valve= ~
shift ~seq!!.enc~
~ -valve ,-=-valve---j
h
1J;;;.Q"t....

=--=-.J
II
Ma~alve
lJl.
"~'L--.J

:;;; ~I 11
p
URNb'21
nn

=-.--'
I~
II
'i-V
D

I I -,

." c:
I
Throttle
':fj'~1 .

modifier

If.'

valve .

II
I
1"
";'Jnn!
l...,

:=~-' \~

Throttle valve ~Klckdown
modifier
valve
X
:Drain port
:::::: :Orifice
Pressure
regulator
valve
!lJF

D

00 cancel
I
~Y&

solenoid •
Pressure
modifier valve
Lock-up_
control
valve

4th

speed cut
valve
Overrun
clutch
control-
valve

-=~
I
r

rr=-
LL:
J~

L~

Torque
x'"~

converter
i
i

relief '
valve
2~ '-

3-4 shift valv~-HiliJI
Governor../l ..-
valve

SAT1971

AT-12

MODEL34X81
4th speed
cut valve
Lock-up
control valve
Overrun
clutch
control valve
3-4 shift valve
X Drainport

:::::= :
Orifice Oil
pump Torque
converter DESCRIPTION
Hydraulic ControlCircuit(Cont'd)
High clutch
AT-13 1-2
shift valve
SAT1981
•

DESCRIPTION
Shift Mechanism
CONSTRUCTION

18

,:-1
SAT214H

ill
Torque converter

@
Oilpump

@
Input shaft

@
Brake band

@
Reverse clutch

@
High clutch

o
Front sungear

@
Front pinion gear
@

Front internal gear

@l
Front planetary carrier

@
Rear sungear

@
Rear pinion gear

@
Rear internal gear

@
Rear planetary carrier

@
Forward clutch

@
Forward one-way clutch
@

Overrun clutch

@
Lowone-way clutch

@
Low
&
reverse brake

@
Parking pawl

@
Parking gear

@
Output shaft

@
Idlegear

@
Output gear

FUNCTION OFCLUTCH ANDBRAKE

Glutch andbrake components Abbr. Function
Reverse clutch
RIG
To
transmit inputpower tofront sungear
High clutch
HIG
To
transmit inputpower tofront planetary carrier
Forward clutch
FIG
To
connect frontplanetary carrierwithforward one-way clutch
Overrun clutch
OIG
To
connect frontplanetary carrierwithrearinternal gear
Brake band BIBTo
lock front sungear
Forward one-way clutch
F/O.G
When
forward clutchisengaged, tostop rearinternai gearfrom rotat-
ing inopposite direction againstenginespeed
Low one-way clutch LlO.GTo
stop front planetary carrierfromrotating inopposite direction
against enginespeed
Low
&
reverse brake L
&
RIB To
lock front planetary carrier

AT-14

TROUBLEDIAGNOSES
Road Testing (Cont'd)

Numbers arearranged inorder ofprobability.

~

ONVEHICLE
..

Perform inspections startingwithnumber one
and work up.
Circled numbers indicatethatthetransaxle
must beremoved fromthevehicle.

(J)(J)

> >

01
0;
0;

. Valve expected tobe malfunctioning
c:

>
(J)
~ .;::

>>

(J)

.~
c
0;
>

0;
(J)

>
e

0;

"0 "0

Q)
C
>

::J
c:(J)

.8

rr

III
(J)

"0

0

~

0.

oil
III
<.>

'0
J::.

rtl

:;
J::.

ii

(J)
£

~(J)
(J)
(J) (J)
(J)(J)

£

"0

.~
~
01

>>
>
01

>>>
0

c: :0 c:

::J

0;0;
~

0;
0;0;
::J

E

III III

rtl
.~

rtl

0;

(3

<.>
~
rtl

>>
> >
>>

a; ~
(J) ~ (J)~

;:
'E
;t:

c:
~

>
e
.8
E (J)

0.
e
E
0;

::J

J::. J::.
:c
2
::J

~
:0
.!::
::J

rtl
rtl

C
e
(J)

c
0

c:
rtlrtl
rtlrtl

li;
rtl

J::.
01

c:
.c
III

(J)

"'f
C')

C)'
>
(J)

6
0

J::.
c:

0

a: a:

u
EO

~
UJ
::i

u
~
::E

C')

N
0

Failure tochange gearfrom 4th
to 2nd with accelerator pedal
32
6

depressed.
Failure tochange gearfrom3rd
to 2nd with accelerator pedal
32
6

depressed.
Failure tochange gearfrom 1st
32

6

to 2nd in"0" and"2"position.
Shift quality Vehicledoesnotstart from
32
6

"1st" in"0" and"2"position.
Failure tochange gearto3rd
32
6

and 4thin"0" position.
Changes gearto1st directly
when selector leverisset from
32

6

"D"
to"1" position.
Changes gearto2nd in"1"

3
2
6

position.
Lock-up pointisextremely high
32

6

or low.
Lock-up quality Torque
converter doesnotlock-
32
7

up.
Lock-up isnot released when
2
accelerator pedalisreleased.
Engine doesnotstart in"P" and "N" positions orengine starts

2
3
in positions otherthan"P"and "N" positions.
Vehicle moveswithselector leverin"P" position.

AT-22

JUDGEMENT OFSTALL TEST

Selector leverposition
TROUBLE
DIAGNOSES
Stall Tasting (Cont'd)

Judgement
D

2

R

Damaged components
Forward one-way
cluth
Hydraulic circuitfor
line pressure control
(Line pressure islow.)
D

2

R

Selector leverposition H

H

H

o

H

H

H
H
o
o
o

H

o
o
o
o

Judgement

AT-25
L

L

L

L
o
:
Stall
revolution
isnormal.
H :Stall revolution ishigher
than specified.
L :Stall revolution islower
than specified.
Engine
Torque converter
one-way clutch
Reverse clutch
Low one-way clutch
Clutches andbrakes except
high clutch, brakebandand
overrun clutchareOK.
(Condition ofhigh clutch,
brake bandandoverrun
clutch cannot beconfirmed by
stall test.)

SAT871H
•