Stall Speed Test: Procedure

2013 Suzuki SX4 Crossover, Automatic CVT TransSECTION Procedure
WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
  1. Chock all 4 wheels and fully apply the parking brake in order to prevent any vehicle movement during testing.
  2. Apply firm pressure to the service brake pedal with the left foot in order to apply the service brakes.
  3. Move the automatic transmission manual gearshift selector from the PARK position to the DRIVE position.
  4. Evenly press the accelerator pedal to the wide-open throttle (WOT) position with the right foot.
  5. Record the maximum engine RPM noted within 5 seconds of achieving the WOT position, and then return to the closed throttle position. Return the gear selector to the PARK position.
  6. Wait 1 minute before proceeding to the next portion of the test procedure.
  7. Move the automatic transmission manual gearshift selector from the PARK position to the REVERSE position.
  8. Evenly press the accelerator pedal to the wide-open throttle (WOT) position with the right foot.
  9. Record the maximum engine RPM noted within 5 seconds of achieving the WOT position, and then return to the closed throttle position. Return the gear selector to the PARK position.

Specifications 

2,450-2,750 RPM 

STALL TEST RESULTS

Result Possible Cause
Observed RPM is LOWER than the specification in BOTH DRIVE AND REVERSE ranges
  • Base engine concern
  • Torque converter clutch (TCC) internal one-way clutch failure
Observed RPM is HIGHER than the specification in DRIVE ONLY
  • Line pressure is below specifications
  • Forward clutch (565) concern
  • Front internal gear and low clutch sprag assembly (25) concern
Observed RPM is HIGHER than the specification in REVERSE ONLY
  • Line pressure is below specifications
  • Direct clutch (562) slipping
  • Low and reverse clutch (511) slipping
Observed RPM is HIGHER than the specification in BOTH DRIVE AND REVERSE ranges
  • Line pressure is below specifications
  • 1-2 reverse clutch (603) slipping
  • Internal fluid leak concern in each of the selected ranges
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.