Stationary Test (Modulator Disconnected)

1991 Geo Tracker LSi, AutomaticSECTION Stationary Test (Modulator Disconnected)

Make test with vehicle stationary, service brakes applied, engine speed set at 1500 RPM, vacuum modulator line disconnected, and pressure gauge installed. Transmission line pressure should be approximately as shown in STATIONARY CONTROL PRESSURES  .

STATIONARY CONTROL PRESSURES

Shift Lever Position (1) psi (kg/cm2 )
Drive ("D") 118 (8.3)
Intermediate ("L2") 118 (8.3)
Low ("L1") 160 (11.2)
(1) Maximum pressure.
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.