f150 shudder is gone but it came back problem fixed four stars used 1 tube on a 2010 honda pilot with 95k i think this stuff makes the clutch plates more sticky i gotta say this is the best 10 bucks i ever spent i couldnt believe it it worked it really eliminated a bad shudder i have had for the past 6 months 04 ford f150 4x4 five stars it works five stars bmw has a sealed transmission system and this is a waste of money it worked waste of money five stars this was the first stop leak i tried i charged the system about three weeks ago and ac is still working great great stuff it will find your leak