2004 SUBARU FORESTER Service Repair Manual

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Page 2569 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT(H4SO)-110
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Symptom Related Diagnostic
15.Symptom Related Diagnostic
A: INSPECTION
Symptom Problem parts
Starter does not rotate when select lever is in “P” o

4AT(H4SO)-110
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Symptom Related Diagnostic
15.Symptom Related Diagnostic
A: INSPECTION
Symptom Problem parts
Starter does not rotate when select lever is in “P” or “N” range;
starter rotates when select lever is in “R”, “D”, “3” or “2” range. Inhibitor switch
Select cable
Select lever
Starter motor and harness
Abnormal noise when select lever is in “P” or “N” range. Strainer
Transfer duty solenoid
Oil pump
Drive plate
ATF level too high or too low
Hissing noise occurs during standing start. Strainer
ATF level too high or too low
Noise occurs while driving in “D1”. Final gear
Planetary gear
Reduction gear
Differential gear oil level too high or too low Noise occurs while driving in “D2”.
Noise occurs while driving in “D3”. Final gear
Low & reverse brake
Reduction gear
Differential gear oil level too high or too low
Noise occurs while driving in “D4”. Final gear
Low & reverse brake
Planetary gear
Reduction gear
Differential gear oil level too high or too low
Engine stalls while shifting from “1” range to another. Control valve
Lock-up damper
Engine performance
Input shaft
Vehicle moves when select lever is in “N” range. Low clutch
Shock occurs when select lever is moved from “N” to “D” range.TCM
Harness
Control valve
ATF deterioration
Excessive time lag occurs when select lever is moved from “N”
to “D” range. Control valve
Low clutch
Line pressure duty solenoid
Seal ring
Front gasket transmission case
Shock occurs when select lever is moved from “N” to “R” range.TCM
Harness
Control valve
ATF deterioration
Excessive time lag occurs when select lever is moved from “N”
to “R” range. Control valve
Low & reverse clutch
Reverse clutch
Line pressure duty solenoid
Seal ring
Front gasket transmission case
Vehicle does not start in any shift range (engine stalls). Parking brake mechanism
Planetary gear

Page 2570 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT(H4SO)-111
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Symptom Related Diagnostic
Vehicle does not start in any shift range (engine revving up). Strainer
Line pressure duty solenoid
Control valve
D

Page 2571 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT(H4SO)-112
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Symptom Related Diagnostic
No shift occurs from 3rd to 4th gear.TCM
Shift solenoid 1
ATF temperature sensor
Control valve
2-4 brake
Engine bra

Page 2572 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT(H4SO)-113
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Symptom Related Diagnostic
Shock occurs from 2nd to 3rd gear.TCM
Throttle position sensor
2-4 brake duty solenoid
ATF temperature sensor
Line

Page 2573 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT(H4SO)-114
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Symptom Related Diagnostic
Shock occurs when select lever is moved from “2” to “1” range.TCM
Throttle position sensor
ATF temperature sen

Page 2574 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT(H4SO)-115
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Symptom Related Diagnostic
Select lever slips out of operation during acceleration or while
driving on rough terrain. Select cable
Select lever

Page 2575 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT(H4SO)-116
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Symptom Related Diagnostic

Page 2576 of 2870

SUBARU FORESTER 2004 Service Repair Manual FUJI HEAVY INDUSTRIES LTD. G8080GE5
2004 FORESTER SERVICE MANUAL QUICK REFERENCE INDEX
TRANSMISSION SECTION
This service manual has been prepared
to provide SUBARU service personnel
with the necessary

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