02 Transmission
Asking for a educated guess on a humming vibration with the truck in reverse gear at a cold start. No other gear with this problem, Drive, second or first. Only the winter months I have this problem. When the truck is warm the humming vibration is gone. The fluid level is fine and it shifts at the right time. From in the cab the sound and vibration seems to be coming from the end of the transmission or transfer case. drive shaft u joints or tight. Thanks
02 Ram SLT 360ci 4X4 56,000 Miles
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