Thanks everyone I'll get some ATF and drain/refill.
I've got more info. The drumming / vibration noise only ever appears when I'm on 4th gear. I.e. Only when I'm on 4th gear and I let go of gas, then rpm drops to around 1300rpm and noise occurs. 1st 2nd 3rd and 5th gears never makes this noise.
Does this info help anyone ? I discovered this when everytime I noticed the drumming noise, I switched to manual and it is always on 4th gear and around 1300rpm. After a while it drops to 3rd gear and that's when a mini forward jerk occurs and thats when the drumming noise then goes away. Then it just drops to 1st gear when car is almost stationary.
Anything...?
Does it also happen in 5th gear at almost freeway speeds?
Originally Posted by darknoodles
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