Transmission Troubles ? What to be on the lookout for: Here are the Top 5 Signs Of Transmission Troubles -- 1) Grinding or shaking. 2) Inability to put vehicle in gear. 3) Leaking fluid. 4) Slipping gears. 5) Smell of burning transmission fluid. transmissionrepairmilwaukee.net We can help. Tip: OEM Parts. Generally speaking, this what you want when repairing your transmission.