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TM-176 < PERIODIC MAINTENANCE > STALL TEST 4. Engine start, apply foot brake, and place selector lever in “D” position. 5. While holding down the foot brake, gradually press down the accelerator pedal. 6. Quickly read off the stall speed, then quickly remove your foot from the accelerator pedal. CAUTION: Do not hold down the accelerator pedal for more than 5 sec- onds during this test. 7. Move the selector lever to the “N” position. CAUTION: Run the engine at idle for at least one minute. Judgment of Stall Test O: Stall speed within standard value position Stall test standard value position Stall speed : Refer to . SAT514G Selector lever position Expected problem location D R Stall rotation H O • Forward brake O H • Reverse brake L L • Engine and torque converter one-way clutch H H • Line pressure low Does not shift-up D position 1 → 2 Slipping in 2GR, 3GR, 4GR Direct clutch slippage Does not shift-up D position 2 → 3 Slipping in 3GR, 4GR, 5GR High and low reverse clutch slippage Does not shift-up D position 3 → 4 Slipping in 4GR, 5GR Input clutch slippage Does not shift-up D position 4 → 5 Slipping in 5GR Front brake slippage |