2007 Navigator Transmission issues?

01-22-2013, 11:01 PM
My 2007 Navigator, 104,000 miles, will buck mildly in 1st gear while moving slowly. It's not a slip, but more like a manual would do when letting out on the clutch.

I have also noticed a slight clunk sound when down shifting 4-3, 3-2 range. Nothing major but still noticeable. I have had the TCM reflashed with no results.

Any thoughts?


03-26-2013, 02:43 AM
Got the same issues. I've learn to live with it as it's been about 2 years now and nothing has changed. Neither mechanic nor dealership said it's important. So I'm guessing this is just how these transmissions behave after certain amount of time.

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