1990 MITSUBISHI SPYDER brake

MANUAL TRANSAXLE Case
CASE REASSEMBLY
The sealant used to seal the transaxle case halves is Loctite
51617 or equivalent.
The sealant used for the bearing end plate cover is Loctite
18718 or equivalent.
(1)Verify bench fixture shims are removed from bench
Install output and input gear pallet
(2) Install shift rails and forks. into bench fixtu re.
(3) Install shift blocker assembly into bench
(4) gear case half over pallet fixture. shift
finger over
lug.
(5) Line up reverse brake friction cone lug to the slots in
the gear case. Verify reverse
is position.

AUTOMATIC TRANSAXLE ENGINE
(TURBO) AND ENGINE> General tnformation
SECTIONAL VIEW
TorqueconverterOil pump
I
Front clutch
I
Low-reverse
Rear clutch Planetarygear
Ibrake
Torqueclutch
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End
T r a n s f e rdriven gear
drive gear
Transfer shaft
Differential
clutch

AUTOMATIC TRANSAXLE ENGINE
(TURBO) AND
ENGINE> General
TorqueconverterOil pump
I
brakePlanetary
gear Transfer ,
Front clutch Low-reverst
I
Rear clutchbrak
idler gear
I
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TRANSAXLE ENGINE
(TURBO) AND
ENGINE> General Information
SECTIONAL VIEW
Torqueconverter
Rear output
shaft
Transfer Oil pump
gear
RearreverseT r a n s f e rdrive
brake clutchbrakegear
II
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differential
output shaft
Differential Viscous

AUTOMATIC TRANSAXLE ENGINE
(TURBO) AND
ENGINE> Troubleshooting
scan
Inspection proce-
dure page if there an abnormality
is
Conditions Operation
Inspection
1Ignition
switch: ON
Engine:
Stopped
gnition
ST
up
Idling
lever
osition:
Judgement value
Overdrive switch
system
Code Nos.
Park/ Neutral
position switch
system
Code No. 28
Stop light switch
system
Starting impossible
Code Nos. 16
system
12,
TPS system
throttle switch
ingine stalling
uring shifting
when
hanging from
to
and long lag time
Overdrive switch
(2) OFF
Data list No. 35
(2) OD OFF
Data list No. 37
(3)
(4)
Data list No. 28
ON
OFF
should be
possible Overdrive
switch
Selector
position
(4)
2
Park/ Neutral
s w i t c h
Brake pedal (1) Depressed
Released
light
pos-
or
I
ure sensor
test with
ever in
or
range
Drive for 15
minutes or more so
that the automatic
transmission fluid
temperature becomes 70 Data list No. 15
Gradually rises to 70
Accelerator pedal
(1) Fully closed
(2) Depressed
(3) Fully open (for
at least 2 seconds) Data list 11
( 1 )
(2) Gradually rises from
( 3 )
Data list No. 25
OFF
OFF
Closed
throttle posi-
tion switch
Should be no abnormal
shifting shocks
Time lag should be
within 2 seconds Malfunction
when starting
operation
(1)
shift
(2)
shift
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AUTOMATIC TRANSAXLE ENGINE
(TURBO) AND
ENGINE>
[Comment]l Malfunction of stop light switch
If the stop light switch is ON far 15 minutes or mo re while driving at 3 km/h (2 more, l of connectorthere is a short circuit in the stop light switch a nd diagnostic trouble code No. 28 is output.
l of
SCAN TOOL DTCYes
Is TCL diagnostic trouble code No. 23 Stop light switch check (Refer toGROUP Brake Pedal.)
No NG
Repairl
OK
NG Repair
and stoplight switch.
OK
Check trouble
NG
Replace the TCM.

AUTOMATIC TRANSAXLE ENGINE
(TURBO) AND
ENGINE> Troubleshooting
Code No. gear incorrect ratio c a u s e,
[Comment]lIf the value resulting from dividing the PG-A outpu t (input shaft rotation speed) by the lMalfunction of pulse generator A or gear ratio does not match the output (output shaft rotation speed) gear is engaged,Malfunction of transfer driven gearlMalfunction of end clutch retainer
diagnostic trouble code No. 52 is output. In additi on, if diagnostic trouble codes (Nos. lMalfunction of rear clutch51, 52, 53 and 54) are output 4 times, there is an
incorrect gear ratio, fail-safe code No. 86 lis output and the vehicle is locked in gear (D) or gear (2, L) as a fail-safe measure.lMalfunction of brake’
Refer to Automatic Overhaul
SCAN TOOL DTC
Yes
Is diagnostic trouble code No. 51Code Nos. 86 1 gear incorrectratio check (Refer to
No
Replace the brake.
Code No. gear incorrect ratio
[Comment]If the value resulting from dividing the PG-A outpu t (input shaft rotation speed) by the gear ratio does not match the shaft rotation after is
engaged, diagnostic trouble code No. output. In addition, if related codes (Nos. 51, 52, 53 and 54) are output 4 times, there is an incorrect gear ratio, fail-safe
code No. 86 is output and the vehicle is locked in gear (D) or gear (2, L) as a fail-safemeasure.
SCAN TOOL DTCYesCode Nos. 1 gear incorrectIs diagnostic trouble code No. 51 ratio check (Refer to output?
No
P r o b a b l e c a u s e
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Malfunction of pulse generator A or Malfunction of transfer Malfunction of end clutch retainer
Refer to Automatic
Code No. gear incorrect ratio Probable cause
[Comment]l Malfunction of pulse generator If the value resulting from dividing the PG-A outpu t (input shaft rotation speed) by the lMalfunction of connectorgear ratio does not match the output (output shaft rotation speed) after gear is engaged,lMalfunction of transfer driven gear
diagnostic trouble code No. 54 is output. In additi on, if related diagnostic trouble codes (Nos.
l Malfunction of end clutch retainer
51, 52, 53 and 54) are output 4 times, there is an incorrect ratio, fail-safe code No. 86 is .Malfunction of rear clutch
output and the vehicle is locked in
gear (D) or gear (2, L) as a fail-safe measure. . generated
l Malfunction of
brake
l Malfunction of end clutch
Replace the front clutch. I
Refer to Automatic Overhaul
Is
diagnostic trouble code No. 52 Code nos. gear incorrect
ratio check (Refer to
I Replace the end clutch. I

AUTOMATIC TRANSAXLE
ENGINE (TURBO) AND ENGINE> Troubleshooting
INSPECTION PROCEDURE 4l Does not back-up
[Comment]When the engine is idling, the vehicle does not bac k-up even if the lever is shifted
from to range. In such cases, the cause is abnormal pressure in the low reverse
brake or front clutch, or a defective low reverse b rake or front clutch.l
Abnormal low reverse brake pressurel Abnormalfront pressurel Malfunction of front l of low reverse of valve
Hydraulic pressure test
(Refer to
lMeasure the front clutch pressure
in range at Standard value: 2,240 (233-319 psi)
NG
Refer to Automatic Transaxle Overhaul
Hydraulic pressure test
(Refer to
l Measure the low reverse brakepressure in range at 2,500 Standard value: (233-319 psi) Front
lRemove the oil pan and body.l
Pistons operate and pres-
sure should also be maintained
when air is blown through the front oil holes in the c a s e .NGOK
NG. Front clutch and low reverse Low reverse brake system check
lRemove the oil pan and valvebody.l Pistons operate and
pressure should also be
maintained when air is blown
through the low reverse brake oil holes in the transaxle case.
OK
Valve body disassembly, and reassembly Pay attention to loos-
ening of bolts, and to damage,
chipping or
of O-rings, intermediate plate andbody.if it is considered that the dam-age or chipping cannot be re- paired, replace the valve body
assembly.
Probable cause
checklCheck for burning of the facing,defective piston seal rings andinterference between the end and retainer. O K
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