Super Duty 6spd manual transmission whine

mmfan55

Member
My 2002 has developed a whine noise in 5th and 6th. Don't have but 138,000 miles but is 16 years old. Many of those miles with GVW of 25,000 plus lbs. Anyone else have experience with these? Just trying to determine if it is common with this transmission or not. Some transmission get noisy with age.
 
I?d suspect maybe a bearing getting a little noisy or a gear is making a little noise . Do you have a trans temp gauge ? And have you changed the oil in those 16 years?
 
Start by checking u-joints and wheel bearings first. Sometimes they seem like a trany issue.
 

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