|
|
AUTOMATIC TRANSAXLE DIAGNOSIS TSB Revision AUTOMATIC TRANSAXLE 23A-23 TORQUE CONVERTER STALL TEST JUDGEMENT 1. Stall speed is too high in both "D" range only • Low line pressure • Low-reverse brake slippage and malfunction of one-way 2. Stall speed is too high in "D" range only • Underdrive clutch slippage 3. Stall speed is too high in "R" range only • Reverse clutch slippage 4. Stall speed too low in both "D" and "R" ranges • Malfunction of torque converter • Insufficient engine output HYDRAULIC PRESSURE TESTS M1231005500057 1. Check the A/T fluid level and temperature. Check engine coolant temperature. • A/T fluid level: "HOT" mark on the dipstick • A/T fluid temperature: 70 - 80 ° C (158 - 176 ° F) • Engine coolant temperature: 80 - 100 ° C (176 - 212 ° F) 2. Jack up the vehicle so that the wheels are free to turn. |