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2G Gears don't go in after replacing clutch, flywheel and pressure plate

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Dsm hotwheels14

Probationary Member
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Jun 25, 2016
Orlando, Florida
Hi I have a 1997 eclipse gst.

I replace the clutch, flywheel and pressure plate with a brand named FX racing clutch. After all is done no gears would like to go in at all only if I adjust the clutch pedal to the max height, but doing that only allows 4th, fifth and reverse to sometimes activate. I have bleed the system out correctly and replaced the slave cylinder. Haven't had the chance to replace the master cylinder due to that it looks brand new but looks can be deceiving.

Anyway my question is can it be possible that it can be a faulty flywheel that the Teeth do not close enough to apply pressure on to the clutch plate?
Thank you :)
 
Last edited by a moderator:
Did you measure the step height of the flywheel? The step height range is .608-.612 (.610 being preferred). You did never mention if the units were new.

Assuming you correctly installed the clutch setup, I would lean more toward an adjustment issue.

  • Did you inspect or replace the clutch fork/pivot ball?
  • Have you inspected the position of the clutch fork like shown below?

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  • Have you adjusted the clutch mater cylinder like shown below?
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  • The clutch mater cylinder can be inspected from inside the car where it comes through the firewall. If it fails, it often leaks fluid down the firewall.
 

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My brand new ACT Streetlite flywheel was 0.605 to 0.625. Completely uneven. Always check before installing!

I also can't say enough about Southbend Clutches and ACT Streelite (minus ACT depth control issue).
 
Last edited:
Did you measure the step height of the flywheel? The step height range is .608-.612 (.610 being preferred). You did never mention if the units were new.

Assuming you correctly installed the clutch setup, I would lean more toward an adjustment issue.

  • Did you inspect or replace the clutch fork/pivot ball?
  • Have you inspected the position of the clutch fork like shown below?

    You must be logged in to view this image or video.
  • Have you adjusted the clutch mater cylinder like shown below?
You must be logged in to view this image or video.

  • The clutch mater cylinder can be inspected from inside the car where it comes through the firewall. If it fails, it often leaks fluid down the firewall.

Sorry for the late reply but thank you for your suggestions and yes I adjusted the master cylinder just how the video explained and unfortunately I did not change or replace the clutch fork . After adjusting the clutch still no gears will go in. Only first but you need to force it in .

My brand new ACT Streetlite flywheel was 0.605 to 0.625. Completely uneven. Always check before installing!

I also can't say enough about Southbend Clutches and ACT Streelite (minus ACT depth control issue).

No I did not get the chance to measure it. All I did was put the old and the new next to each other and measured it like that. My old flywheel was already worn out and the surface was super low. I feel that the pressure plate is not opening up all the way to apply pressure to the clutch.

Maybe a faulty pressure plate ?

Plus where and how did you get that measurements ?
 

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Measure from the flywheel surface to the top of the "posts" that stick up that the pressure plate bolts to for "step height".
 
Plus where and how did you get that measurements ?

I had brought mine to a shop to surface it. They measured all around. I only measured one high spot and that was enough for me to bring it in.

Most digital calipers these days have the depth micrometer built in. You are measuring from the top of the blocks on the flywheel outer edge to the flywheel surface.

"The step height is critical to proper clutch operation. Too little (shallow) and the clutch will hold power great but it will have trouble releasing. You wont have enough room for the pressure plate to fully retract."

http://www.roadraceengineering.com/clutchandflywheeltech.htm

You can also check out the improved DSMFAQ
What are the symptoms of poor clutch disengagement?
 
I had brought mine to a shop to surface it. They measured all around. I only measured one high spot and that was enough for me to bring it in.

Most digital calipers these days have the depth micrometer built in. You are measuring from the top of the blocks on the flywheel outer edge to the flywheel surface.

"The step height is critical to proper clutch operation. Too little (shallow) and the clutch will hold power great but it will have trouble releasing. You wont have enough room for the pressure plate to fully retract."

http://www.roadraceengineering.com/clutchandflywheeltech.htm

You can also check out the improved DSMFAQ
What are the symptoms of poor clutch disengagement?

No. Absolutely not
They do not have a depth mic built in. They have a device that poorly emulates a proper depth mic. This is specifically why I said do not use it.
 
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