Torque Converter Clutch Solenoid: Shudder After Lockup Engagement
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Torque Converter Clutch Solenoid: Testing and Inspection
Stays Locked Up at Too Low A Speed In Direct Drive
1.
Failed lockup relay.
2.
Sticking lockup solenoid.
3.
Sticking fail-safe valve.
4.
Sticking lock-up valve.
5.
Sticking switch valve.
6.
Valve body malfunction.
7.
Sticking governor valve.