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If Shudder Occurs After TCC has Locked

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Engine problems may go unnoticed under light throttle and load, but they become noticeable after the TCC has locked when going up a hill or accelerating.

Refer to Symptoms - Engine Controls , 4.8L (L20) or 6.0L (L96 LC8) or Symptoms - Engine Controls 2.8L (LWN) Diesel in order to avoid misdiagnosis of TCC shudder and the unnecessary disassembly of a transmission or the unnecessary replacement of a torque converter.

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