What is your question?
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What is your question?
when truck go to 40mp and higher a used rear was put in and still does the same nobody can tell me what the problem is.
2 Replies
a few things can cause a vibration over 40 mph. is the vehicle an automatic trans ? torgue converter shudder can be one source, ujoint in the driveshaft going bad is another possible cause, bent driveshaft, bad or worn tire, also a chopped tire could cause this.