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Home >> Buick >> 1992 >> Roadmaster Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnosis & Testing >> Using Tech 1 >> Solenoid Valve Pressure Hold Test

Solenoid Valve Pressure Hold Test

  1. Raise vehicle on frame contact hoist so wheels to be tested are off ground. Spin wheel to be tested by hand. Using Tech 1, select PRESSURE HOLD mode.
  2. Have assistant apply brakes. Try to spin wheel being tested. While in PRESSURE HOLD mode, even with brakes applied, wheel should spin. Repeat test if necessary to verify proper operation. Perform SOLENOID VALVE PRESSURE REDUCTION TEST.
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