Suzuki GRAND VITARA XL-7, Руководство по обслуживанию

Страница: 433 / 597

7B1-28 AUTOMATIC TRANSMISSION (4 A / T)
TROUBLESHOOTING
Condition Possible cause Correction
Engine output torque failure Inspect and repair engine.
Lower than standard level
Defective one-way clutch of torque
converter
Replace.
Defective pressure control solenoid
valve (Low line pressure) Inspect.
If NG, replace valve body assembly.
Higher than standard level in
Primary regulator valve
(Low line pressure)
Replace valve body assembly.
Higher than standard level in
“D” range
Slippery forward clutch Replace.
Defective one-way clutch No.2 Replace.
Leakage from “D” range fluid pressure
circuit Overhaul or replace valve body
assembly.
Defective pressure control solenoid
valve (Low line pressure) Inspect.
If NG, replace valve body assembly.
Higher than standard level in
Defective primary regulator valve
(Low line pressure)
Replace valve body assembly.
Higher than standard level in
“R” range
Slippery direct clutch Replace.
Slippery reverse brake Replace.
Leakage from “R” range fluid pressure
circuit Overhaul or replace valve body
assembly.
Defective pressure control solenoid
valve (Low line pressure) Inspect.
If NG, replace valve body assembly.
Defective primary regulator valve
(Low line pressure)
Replace valve body assembly.
High than standard level in
Clogged oil strainer Wash strainer.
g
both “D” and “R” range
Defective O / D clutch and O / D
one-way clutch
Replace.
Malfunction of oil pump Replace.
Leakage from fluid pressure circuit
Overhaul or replace valve body
assembly.