I think Im having a somewhat similar issue, waiting on my bg synchrostuff to come in. someitmes my first pops out, and when im shifting or just driving releasing the clutch at around 15 mph i hear a light hear if the tranny is agonizing, no grinding or or mechanical noises though, hope the fluids will do it though , cool posting on the 4g6 section as opposed to the NT section. Im going to be posting alot more here )