Does Transmission Removal Affect the Car?
3 Answers
After removing the transmission, if the screws are properly tightened and installed with the correct torque, there will be no impact on the engine. The general disassembly sequence is: transmission cover, first shaft, second shaft, intermediate shaft, and reverse gear shaft. Installation Inspection: Before installing the transmission cover, check the work area for any missing parts, ensure there is no axial movement in the shafts and fixed gears, verify the integrity of all gaskets, and confirm that all meshing gears engage fully across the entire tooth width. Manually slide the gears to check if they can move axially to full tooth width engagement. Rotate the first shaft by hand and test each gear to ensure smooth and flexible rotation without any sticking. Disassembly Inspection: All disassembled parts should be thoroughly cleaned and inspected. Replace any parts that cannot be reused. Generally, oil seals and gaskets that have been removed should not be reused and should be replaced.
When it comes to disassembling a transmission, it's definitely not a trivial task. I've personally witnessed mechanics dismantle it several times—the entire engine bay has to be taken apart, and surrounding components must make way. The impact on the vehicle during disassembly mainly depends on two factors: First, the disassembly technique—professional repair shops use specialized tools and follow standard procedures from the service manual, which generally won't harm the car. However, if an apprentice dismantles carelessly, they might damage wiring or piping. Second, the purpose of the repair—if it's a necessary maintenance task like replacing a clutch disc, the car might even run smoother afterward. That said, the disassembly process inevitably wears down connecting parts, as repeated removal and installation of the transmission-engine interface can lead to oil leaks. My advice is to always opt for a reputable repair shop; otherwise, issues like strange noises and jerking can become a real headache later on.
As a driver who has owned an old car for over a decade, I've experienced transmission repairs. There's nothing inherently wrong with removing the transmission—the key lies in why it's being removed. In the case of my old car's transmission oil leak, disassembling it to replace the oil seal and then reinstalling it actually extended its service life. However, the process does require precision: sealing compound must be reapplied to connection points, bolt torque during reassembly must be exact—even the slightest deviation is unacceptable. If a novice improperly reinstalls the cooling lines, they're guaranteed to burst during hot weather. Additionally, after disassembly, the transmission fluid must be refilled—using the wrong type or insufficient quantity will cause jerking when shifting gears. Generally speaking, proper procedures have minimal impact, but it's advisable to drive a few hundred kilometers at low speeds post-repair for break-in purposes.
