R RobbyBobby New member Oct 2, 2018 #1 I have a 2012 Freightliner Sprinter Diesel with 185,000 miles.
4wheeldog 2018 144" Tall Revel Oct 2, 2018 #2 Here is a very old thread about this noise. The NAG1 transmission is much the same, NV3 and TN1, so it may give you some information. https://sprinter-source.com/forum/showthread.php?t=2253&highlight=Transmission+rumble+sound
Here is a very old thread about this noise. The NAG1 transmission is much the same, NV3 and TN1, so it may give you some information. https://sprinter-source.com/forum/showthread.php?t=2253&highlight=Transmission+rumble+sound