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4L60E TCC operation in 4th gear
The problem with this truck is that when in in 4th gear under a any amount of load it will not unlock the converter before down shifting into 3rd gear. At about 70% TP the TCC is still applied up to the point that it down shifts. Other than that the torque con... Login to read more. 
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| Engine | 5.3 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2000 Chevrolet Silverado 1500 LS 5.3L
| Engine | 5.3 L |
| Trans | 4-speed Automatic (Electronic) |
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