I have a 03 Boxster S with only 40K,and recently my clutch pedal started acting unusual.After depressing it,changing gears,then letting it up,I noticed that the top half of the travel felt very light,almost like it was frictionless.If I took my foot off the pedal quickly after switching gears,the pedal would come up half way,then 'pop' up the rest of the travel.I assumed it was a hydraulic issue,but then I started hearing a faint metallic grinding sound from the back when sitting and idling,only when the pedal is depressed.It is absent when sitting in neutral,and the pedal is up. Q: Is it safe to drive to the dealer in this condition? Any ideas? Thanks in advance for your help,
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there is no air in a hydraulic system or if there is , the clutch will not disengage
if you have any sound when depressing the clutch pedal, it is most likely from the throw out bearing running dry when pressure is applied to the pressure plate fingers
so it amounts to this
if you press on the clutch pedal and you can readily engage first gear or reverse and you have steady operation when you take your foot of the pedal , the clutch system is working as it should
that means that any noise you get when pressing on the pedal is when the throw out bearing is placed under load and as there is no other part that is moving, that is the logical area
one point here --if it is an air noise and of that you are sure , when people press on the clutch pedal, to stop vehicle movement they also have the foot resting or pressing on the brake and a hissing noise here can be from a vacuum leak at the brake pedal from the brake booster
easy to check before pulling a box that doesn't have a problem
You didn't say how long ago the clutch and flywheel was fitted.
If it was recent the car should be returned to the repair shop for some free-of-charge rectication.
If the clutch is cable operated it might need adjusting or if the adjustment is automatic, perhaps it is broken.
If the clutch is hyraulically operated perhaps all the air wasn't bled from it leaving it with a spongy pedal feel and insufficient travel.
Perhaps there is too many carpets under the clutch pedal. It is not unusual to have to press the pedal right to the floor with a brand new clutch.
If the gear lever selects all the gears easily with the engine off, but not when the engine is started, the problem is likely to be the clutch.
If the pedal feel is normal and there is maximum travel being delivered to the visible clutch mechanism the problem is likely to be inside, requiring the removal of the transmission.
A noise in neutral that goes when the clutch is disengaged indicates a front input shaft bearing in the gear box . When the clutch is out that shaft is spinning along with the cluster shaft in the gear box. When the clutch is in that shaft stops (to engage first gear) and the bearing is no longer working.. It normally means a box out job.
Hello mpolci...The 2003 Tiburon was sold to the public with a defective clutch, it failed due to warpage and bad pressure plate... among other things. There are MANY class action lawsuits. Did you resurface or replace the flywheel when the clutch was replaced? Did you go with an aftermarket clutch kit, or factory? Also the slave cylinder on the 03 was known to have a defective valve. You can try checking the levels and bleeding the system and if you still have problems, then it could
be a release bearing, a loose clutch pad, or a broken pressure plate spring....If the clutch is still under warranty, i would return it to the installer. Good luck, i hope this helps...please rate me a fixya.
Two things, first does it slip at all? If you put it in high gear and hammer it, does the engine rev up? If so, you may have a spring problem causing the clutch to not fully contact the pressure plate and will result in this problem.
Is the fluids in the master cylinder full? Do you have a leak? Bad pressure? I'd check those before going on to more difficult remedies.
Personally, by the way you're describing it, I'd say it's a spring. Especially since it's engaging and disengaging correctly. Maybe an adjuster somewhere came loose? I'm not sure with the Explorer, but I know my friends `00 F-150 had an adjuster snap causing a very similar problem but the clutch just wouldn't grab at all due to his problem.