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Home >> Saturn >> 2010 >> Sky Red Line, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Automatic Transmission - 5L40-E/5L50-E - Symptom Troubleshooting And Diagnosis) >> No Engine Braking in Third Gear

No Engine Braking in Third Gear

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Check Causes
DEFINITION: A large engine RPM increase and forward vehicle speed decrease in third gear do not immediately occur when the transmission is shifted from overdrive or fourth gear in Drive or Manual Third range to third gear range.
Overdrive Clutch
  • Damaged or cut piston
  • Damaged or worn clutch plates
Control Valve Body Accumulator Assembly
  • 3-4 shift valve and/or 3-4 control shift valve stuck released
  • Low pressure control valve stuck released
  • 4-5 shift valve and/or 4-5 control shift valve stuck released
  • 1-2 shift valve stuck applied
  • 2-3 shift and/or 2-3 control shift stuck applied
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