Torque Converter Replacement Guide
SYMPTOMS CHART
| Condition | Action |
|---|---|
| DO NOT replace the Torque Converter if the following symptoms are found. | |
|
Do not replace the torque converter. Refer to TRANSMISSION FLUID CHECK . |
| Transmission Fluid Contaminated with Metal Particles |
NOTE:
Do not replace the torque converter for clutch system or gearset component damage. Fine metallic debris or clutch plate material that is suspended in the fluid will not cause damage to the internal torque converter components nor any internal transmission components.
|
| Harsh Gear Shifts-TCC Not Applied | Do not replace the torque converter. Refer to SYMPTOMS - AUTOMATIC TRANSMISSION . |
| Noise-Whine |
|
| Vibration-Out of Balance | Refer to TORQUE CONVERTER VIBRATION TEST in this procedure. |
| No Drive/Slips in Drive-TCC Not Applied | Do not replace the torque converter until completing all engine and transmission diagnostics. |
| Idle Surge/Rough Idle | Do not replace the torque converter. Refer to SYMPTOMS - ENGINE CONTROLS . |
| TCC Apply/Release Shudder | Do not replace the torque converter. Refer to TORQUE CONVERTER CLUTCH SHUDDER in this procedure. |
| TCC Chuggle | Do not replace the torque converter. Refer to SYMPTOMS - ENGINE CONTROLS . |
| DTC P0741-TCC Stuck OFF/High Slip-Intermittent Only | Do not replace the torque converter. Refer to DTC P0741 OR P0742 diagnostic table. |
| DTC P0741-TCC Stuck OFF/High Slip | Do not replace the torque converter. Refer to DTC P0741 OR P0742 diagnostic table. |
| DTC P0742-TCC Stuck ON | Do not replace the torque converter. Refer to DTC P0741 OR P0742 diagnostic table. |
| DTC P1887-TCC Release Switch | Do not replace the torque converter. |
| Transmission Fluid Contaminated with Sludge/Metal Particles as a result of:
|
Replace the torque converter. Refer to TORQUE CONVERTER REMOVAL . |
| Poor Acceleration above 48 km/h (30 mph) - Good Launch | Do not replace the torque converter until completing all engine and transmission diagnostics.
|
| Poor Launch - Good Acceleration above 48 km/h (30 mph) | Do not replace the torque converter until completing all engine and transmission diagnostics.
|
| Replace the Torque Converter if the following symptoms are found. | |
| Stripped Converter Bolt Holes | Replace the torque converter. |
| Torque Converter Pilot Damaged | Replace the torque converter. |
| Torque Converter Hub surface is damaged - scored, raised/transferred metal. | Replace the torque converter. |
| Torque Converter Ballooning | Replace the torque converter. |
| External Leaks in the weld areas - hub, lug or closure weld. | Replace the torque converter. |
| Broken/Cracked Flywheel | Replace the torque converter. |
| Torque Converter Discolored/Overheated | Replace the torque converter. |