It recently got swapped by iawa classics as the old one disintegrated internally. I'll check when it stops raining

That's auto correct for you its. A 200 tdi.how long has yours been making this noise

my defender 90 200 trillion gear box has developed a whine in 4th and even louder in 5th . It seems to change tone when I handle the gear stick too . Is this terminal . Thanks for any input