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Q: New Aftermarket clutch works well and gets into gears smoothly but 1st and reverse gears makes my engine shutter like no other.

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New Aftermarket clutch works well and gets into gears smoothly but 1st and reverse gears makes my engine shutter like no other. I was wondering if it could be the install's problem or the clutch still needs to be broken in? I feel the clutch pedal getting lighter because of the break-in but the shutter from reverse and 1st does not get any better at all.
My car has a manual transmission.

The shuddering you feel may be a warped or contaminated pressure plate/flywheel. I normally send the flywheel to a machine shop to have it resurfaced when I install a new clutch. This helps prevent the shuddering you described. Contamination from oil or grease can also cause that feeling, but not as severe. You don’t really need to break in a clutch, but sometimes they will grab a bit better after a while.

If you’d like to have this looked at, consider YourMechanic, as a certified technician can diagnose the shuddering you’re experiencing and fix it from there. Best of luck.

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