Posted by Sherman in Idaho [50.120.88.57] on Saturday, September 19, 2015 at 12:13:07 :
In Reply to: Replace NP 420 with NP 435? posted by cdm [72.92.137.125] on Saturday, September 19, 2015 at 08:01:47 :
In my experience (rather limited), "gear noise" in a transmission is usually due to bad bearings rather than bad gears. Bearings are easy to replace once you've pulled the tranny, which you'd have to do anyway for the swap.