Manual:HUMMER Hummer H3 Base 2010Page:16379 / 37523
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No Torque Converter Clutch Apply (300 RPM Slip) — 2010 Hummer H3 Base, Automatic Service ManualNo Torque Converter Clutch Apply (300 RPM Slip)
| Checks |
Causes |
| Valve Body Assembly (60) |
- Regulator apply valve side loading
- Stuck converter clutch valve
- Torque converter clutch (TCC) apply valve stuck closed (debris in bore)
- Torque converter clutch pulse width modulated (TCC PWM) solenoid broken/cracked
- Turbine shaft O-ring omitted
- TCC PWM solenoid leaking
|
| Input Housing and Turbine Shaft Assembly (621) |
- Turbine shaft hole not drilled to full depth
- Scratched turbine shaft journals
- Turbine shaft O-ring omitted/damaged
- Turbine shaft retainer and ball assembly restricted or damaged
|
| Electrical |
- 12 volts not supplied to transmission
- Outside electrical connector damaged
- Inside electrical connector damaged
- Wire harness damaged
- TCC solenoid damaged
- Electrical short (pinched wire)
- TCC solenoid not grounded
|
| Torque Converter Clutch (1) |
Internal damage (blue or distorted) |
| Oil Pump Assembly (4) |
- TCC spring cocked
- Orifice cup plug restricted or damaged
- Pump to case gasket mispositioned
- Converter clutch valve retaining ring mispositioned
- Converter clutch valve stuck or assembled backward
|
| Transmission Fluid Pressure Manual Valve Position Switch (69) |
- Contamination
- Damaged seals
|
| Solenoid Screen (367A/367B) |
Blocked |
| TCC Solenoid Valve (Part of 66) |
Internal damage |
| Engine Speed Sensor |
Internal damage |
| Engine Coolant Temperature Sensor |
Internal damage |
| Automatic Transmission Fluid Temperature Sensor (Part of 69) |
Internal damage |
| Brake Switch |
Internal damage |
| TCM |
Internal damage |
| TCC PWM Solenoid (Part of 66) |
Internal damage |