Transmission Solenoid Cycling & Drive Test (Dynamic Test): Upshift/Downshift

1996 Mercury Sable LS, 4D Sedan, 3.0 SSECTION Upshift/Downshift
  1. Remove line pressure gauge. Ensure gear select switch is in "1" position. Shift transmission to overdrive and accelerate to 15 MPH. Rotate gear select switch to "2" position. Vehicle should shift into 2nd gear. Accelerate to 25 MPH and rotate gear select knob for 3rd gear.
  2. Vehicle should shift into 3rd gear. Accelerate to 35-45 MPH and rotate gear select knob for 4th gear. Vehicle should shift into 4th gear.
  3. Reverse test procedure for downshifts. Ensure solenoid LEDs function as described for each shift. Vehicle should downshift through each gear.
CAUTION: DO NOTΒ  depress TCC switch with transmission in gear and vehicle at a stop. Damage to TCC may result.
RENDER: 1.0x

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When to See a Mechanic

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

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
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  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.