While innovative, these components have specific failure points as they age:
: Many of these units (especially Saturns) actually use Automatic Transmission Fluid (ATF) or a very specific synchromesh fluid. Check your owner's manual—using the wrong weight can melt or swell the nylon parts. naylon trany
If you are rebuilding the transmission, many enthusiasts look for . Replacing the nylon components with brass or steel during a rebuild eliminates the "brittle" failure mode and makes the transmission much more durable for spirited driving. Replacing the nylon components with brass or steel
: Nylon is sensitive to the chemical breakdown of old oil. Change your manual transmission fluid (MTF) every 30,000 to 50,000 miles. : Keeping your hand on the gear lever
: Keeping your hand on the gear lever while driving puts constant pressure on the shift forks, wearing down those nylon pads prematurely. ⚙️ Should You Upgrade?