Brand Name:
Chevrolet Cruze
Model Number:
6T30;MH9
Typical Faults:
Torque Converter Clutch (TCC) Shudder
Symptom: Vibration at 45-65 mph (P0741 code)
Cause: Worn friction material or contaminated Dexron VI
1-2 Shift Solenoid Failure
Symptom: Harsh or delayed 1-2 shifts (P0751/P0756)
Trigger: Debris accumulation in valve body
Input Shaft Seal Leaks
Symptom: Low fluid level, pump whine
Root Cause: Seal hardening from heat cycles
Critical Checks:
Fluid Condition: Brown/black = clutch material failure
Line Pressure: <65 psi at idle indicates pump wear
TCC Apply: Monitor slip RPM (>100 RPM = failure)
Pro Tip: Always flush cooler lines when replacing TC – debris recurrence is #1 killer of rebuilds
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