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Home >> Buick >> 1991 >> Roadmaster 4L60/MD8 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Overhaul & Testing - 700-R4/4L60 >> Testing >> Control Pressure Test >> Full Throttle Valve Pressure Check
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Full Throttle Valve Pressure Check

  1. Attach pressure gauge to line pressure tap. See Figure . Apply parking brake and service brakes. Ensure throttle valve cable is secured in fully extended position.
  2. Check line pressure as specified. See OIL PRESSURE SPECIFICATION CHARTS  . Pressure readings must be within specification. If pressure reading is not within specification, see TROUBLE SHOOTING  .