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Stall Test: Troubleshooting

TROUBLESHOOTING TABLE

Condition Possible Cause Action
Lower than standard level in both "D" and "R" range  Engine output torque failure Inspect and repair engine  .
Faulty one-way clutch of torque converter Replace torque converter  .
Higher than standard level in "D" range  Malfunction of pressure control solenoid valve (Low line pressure) Inspect. If NG, replace valve body assembly  .
Malfunction of primary regulator valve (Low line pressure) Replace valve body assembly  .
Slippery forward clutch Inspect. If NG, replace  .
Faulty one-way No.3 clutch Inspect. If NG, replace  .
Leakage from "D" range fluid pressure circuit Overhaul or replace valve body assembly 
Higher than standard level in "R" range  Malfunction of pressure control solenoid valve (Low line pressure) Inspect. If NG, replace valve body assembly  .
Malfunction of primary regulator valve (Low line pressure) Replace valve body assembly  .
Slippery reverse clutch Inspect. If NG, replace  .
Slippery 1st and reverse brake Inspect. If NG, replace  .
Faulty one-way No.1 clutch Inspect. If NG, replace  .
Leakage from "R" range fluid pressure circuit Overhaul or replace valve body assembly 
Higher than standard level in both "D" and "R" range  Malfunction of pressure control solenoid valve (Low line pressure) Inspect. If NG, replace valve body assembly  .
Malfunction of primary regulator valve (Low line pressure) Replace valve body assembly  .
Clogged oil strainer Replace  .
Faulty oil pump Inspect. If NG, replace  .
Leakage from both "D" and "R" range fluid pressure circuit Overhaul or replace valve body assembly