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Home >> GMC >> 1982 >> Magnavan Automatic Trans, Trans Mfr CD 400/M40 >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Hydraulic System Control Valves >> Servicing >> Resetting Switch
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Resetting Switch

After failed side of system has been repaired, applying brake pedal with moderate force will hydraulically center piston and turn off brake warning light.

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