Clutch slipping??

[jlmillionaire]

hi all, i was driving my car today it was fine on the way to work,then i stopped to withdraw money the when i put the transmission into first gear the clutch wasn't engauging properly. The rpms were shooting up but it was grabbing like normally would. then i started shifting up in gears and thank god i finally got on the expressway and it was fine in 5th but still slipped when i hit the gas pedal hard.around like 4500 rpm i believe. The clutch is a 6 puck clutch and has less then 5000 miles and i hardly beat on the clutch, but i did have to ride the clutch a little to get out of first since it grabbed so hard... anyways where should i start first any input would be gladly appreciated thankyou.

[DS562]

any oil leaks that might have wet the clutch?
flywheel good?

[jlmillionaire]

Im going to check everything tomorrow Im pretty Sure there are no leaks

[SharkMan]

When you changed your clutch did you have the flywheel turned?

[jlmillionaire]

When you changed your clutch did you have the flywheel turned?
im not sure what you mean sorry, if there is oil or a substance on the flywheel will it burn off. Or do i have to drop the trans:-/

[fliprayzin240sx]

Turned = resurfaced/mill/smoothen

[DS562]

When you change out your clutch, it's usually a good idea to get your flywheel turned. Meaning that the contact area is resurfaced by a lathe so the clutch grabs. As for the oil on the clutch (if there even is any) you can use brake cleaner or acetone. Just have somebody disengage the clutch while you spray so you get a good stream in between the clutch and flywheel. And no, you shouldn't have to drop the trans to do it.

[SharkMan]

im not sure what you mean sorry, if there is oil or a substance on the flywheel will it burn off. Or do i have to drop the trans:-/

As stated above when you have you flywheel "turned" its the process of milling the flywheel to correct the contact surface. Think of it this way your clutch when its in the process of grabbing still spins against the surface of the flywheel and over time it wears and smooths out the contact point causing the clutch to not grab as efficiently. Kinda similar to when your brake rotors become "glossed" in which the surface of you rotors become smooth and squeaky and breaking isn't as efficient. So in a similar matter you place your rotors on a brake lathe and mill a thin layer off to restore the surface.

Having it turned gives the clutch a fresh surface to grab onto. Typically you SHOULD have your flywheel turned when you replace your clutch depending on how the driver is with feathering of the clutch, type of clutch, type of flywheel etc. And if you didn't have it turned when you did the clutch think of it in terms of your flywheel has had wear from the time of the whole life of the previous clutch(maybe more) plus the new miles. Getting your flywheel turned is pretty cheap as well type shops offer the service I usually take my flywheels to a tranny shop down the street and get them turned for 40 bucks.

This is most likely you issue, but you won't know until you drop the tranny and check, also have you checked to see if you have a "wet" clutch? Or it could possible be a crap clutch? Or clutch not rated for you HP or torque range is your car stock?

[jlmillionaire]

its stock with the typical mods, intercooler exhaust.. but motor is stock funny thing is i drove it fine all day long im thinking that the flywheel possibly got wet by some kind of substance maybe from the road. my flywheel is also exposed on the bottom of the trans. thanks for all the input i will update the thread if i have future problems. which i hope not because my sti is in the body shop so my nissan is my daily but i love driver my baby!!! besides the bullshit i go through with her lol