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torque converter shutter
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  1. Allison OEM
    2001 Allision 1000 starting shuttering after local shop replaced internal harness and changed the B3 Solenoid. Seems like TC is not locking until you release accelerator than reapply power. No codes. Was thinking a faulty or dirty F trim Tcc solenoid. Or possibly a broken or nicked oil ring. The...
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