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Home >> Hyundai >> 1991 >> Excel GS, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Diagnosis & Overhaul - Km175, Km176 & Km177 >> Performance Tests >> Hydraulic Pressure Adjustments >> Line Pressure Adjustment

Line Pressure Adjustment

  1. Drain transaxle and remove oil pan and filter. Using care to prevent manual valve from falling out, remove valve body assembly.
  2. Turn adjusting screw on regulator valve to adjust pressure to standard value of 124-126 psi (8.7-8.9 kg/cm2 ). See Fig 1 . One complete turn clockwise decreases pressure by 4.6 psi (.3 kg/cm2 ). For each turn counterclockwise, pressure is increased by same value.
  3. Ensure "O" ring is installed on upper surface of valve body. Install valve body, and tighten bolts to 89-102 INCH lbs. (10-11.5 N.m). Install components in reverse order of removal.
Fig 1: Identifying Line Pressure Adjusting Screw
G93G22307Courtesy of HYUNDAI MOTOR CO.