Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 700r4 TQ lockup goes Rapidly in and out
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Old 09-21-2012, 10:51 PM
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Did the TCI lockup kit come with a manifold Vacuum switch? If so it may need to be adjusted.
If the Brake Light switch is out of adjustment it can also cause this. Try holding the Brake pedal up while driving & see if it stops.
Bad TCC Solenoid or worn/leaking TCC Apply Valve in Pump are other problem areas.
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