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ON-VEHICLE SERVICE AUTOMATIC TRANSMISSION (FF) 23A-151 TORQUE CONVERTER STALL TEST M1231005400403 The purpose of this test is to measure the maximum WARNING For safety, the front and rear of the vehicle 1. Check the A/T fluid level, the A/T fluid temperature and the engine coolant temperature. • A/T fluid level: HOT position on oil level gauge • A/T fluid temperature: 70 − 80 ° C • Engine coolant temperature: 80 − 100 ° C NOTE: The A/T fluid temperature is measured 2. Place wheel locks on both the left and right front wheels. 3. Pull the parking brake lever to apply the parking brake and depress the brake pedal fully. 4. Start the engine. CAUTION • Do not keep the throttle fully open for any • If you repeat the stall test when the A/T fluid ° C, move the selector lever to the "N" position and let the ° C or less. 5. Move the selector lever to the D position, fully depress the accelerator pedal and quickly take a Standard stalling engine speed: 2, 300 − 2, 800 r/min 6. Move the selector lever to the R position and repeat the test described above. Standard stalling engine speed: 2, 300 − 2, 800 r/min TORQUE CONVERTER STALL TEST 1. Stall speed is too high in both D and R ranges • Malfunction of the torque converter (Slippage • Low line pressure • Low-reverse brake slippage and malfunction 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 is too low in both D and R ranges • Malfunction of the torque converter (Slippage • Low line pressure • Poor engine output AC001824AC Reverse Low-reverse Underdrive Torque Second brake Overdrive One-way |