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Home >> Suzuki >> 2005 >> XL-7 LX, RWD, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission) >> 4A/T >> Diagnostic Information and Procedures >> Line Pressure Test >> Troubleshooting
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Line Pressure Test: Troubleshooting

WARNING: This page is about a different variant/trim than selected.
TROUBLESHOOTING CHART

Condition Possible Cause
Line pressure higher than standard level in each range
  • Malfunctioning regulator valve
  • Malfunctioning throttle valve
  • Maladjusted A/T throttle cable
Line pressure lower than standard level in each range
  • Defective O/D clutch
  • Defective oil pump
  • Malfunctioning throttle valve
  • Malfunctioning regulator value
  • Maladjusted A/T throttle cable
Line pressure lower than standard level only in "D" range
  • Fluid leakage from forward clutch
  • Defective O/D clutch
  • Leakage from "D" range fluid pressure circuit
Line pressure lower than standard level only in "R" range
  • Fluid leakage from direct clutch
  • Defective O/D clutch
  • Fluid leakage from reverse brake
  • Fluid leakage from "R" range fluid circuit