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Discussion Starter · #1 ·
2006 silverado 1/2 ton. 5.3 litre, 4l60, trans case with auto 4wd option.

I tried to lock my truck into 4lo the other day and all I can hear is a clicking/clunking noise under the truck, then it just goes back to 2hi or 4 hi, whatever I was already n. like I said, the 4 hi seems to be working fine... any leads would be greatly appreciated. thanks

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