Thread: clutch pedal failing

I searched and read some of the other problems but i'm not sure if they're the same as what I have going on. Thanks in advance.

So normally the clutch pedal has pressure from the very top to the very bottom when you're pressing on it. So... I'll try to illustrate with words...

Floor --------------------------------------------------------------- Clutch Pedal
(<-------------pressure throughout-------------------->)
(grabs in middle)

Now while driving, out of nowhere, the pedal becomes 'loose' and doesn't have ANY pressure from to the top to almost near the bottom (floor), and there's VERY little pressure to engage/disengage the clutch making it really hard to drive. I literally have about 2 inches of pressure to engage/disengage into gear. Sometimes out of nowhere while driving it'll reset itself to normal or it'll reset itself after being turned off and left off for a while.

Floor --------------------------------------------------------------- Clutch Pedal
(pressure) (<-----flimsy, loose, no pressure-------->)
( grabs )

Any ideas?

Change the fluid to DOT 4 or DOT 5 brotha.
This is a very common problem with Specs and it has to do with the fluid getting too hot causing clutch fade.

salve cylinder will b most likely ur issue........it has nothign to do with the fluid type...if it does then u usually have air in the system and need to bleed it.....and refill it

Originally Posted by Specvay

salve cylinder will b most likely ur issue........it has nothign to do with the fluid type...if it does then u usually have air in the system and need to bleed it.....and refill it

I have to respectfully disagree with you my man.

Do yourself a favor, change the fluid out, its a cheap and easy starting point then rather going in head first to a slave cylinder....

Originally Posted by 03SpecV4Me

I have to respectfully disagree with you my man.

Do yourself a favor, change the fluid out, its a cheap and easy starting point then rather going in head first to a slave cylinder....

lol ok..i do this for a living changing this is a common issue...to dot 5 or 4 isnt needed, it just a plus to use dot 4 and 5 if u have big brake all way around and high performance clutch..........u can bleed it and refill bak to dot 3....or change the slave cylinder

I respectfully disagree with both of you..... this is a common issue with all Spec-Vs and Maxima 6spds, see it all the time at work, and just fixed mine, and my co-workers Spec-V, you are correct that it happened when the fluid gets too hot, but usually that happens on warm/hot days like we've been having lately, it's your clutch master cylinder, they are known for this issue, the piston in the master cylinder doesn't react properly when the fluid gets warm and gives that iffy pedal, Nissan has a superseded part number to fix that issue, the new part number is 30610-5M00A and if I remember correctly it should be relatively cheaper than some aftermarket ones that I looked for

yeah it has only happened now that the weather has gotten warmer

and i have recently changed to the brembo 4piston brakes

how hard is it to change the clutch master cylinder?

Originally Posted by steven_s

yeah it has only happened now that the weather has gotten warmer

and i have recently changed to the brembo 4piston brakes

how hard is it to change the clutch master cylinder?

well the brakes won't affect your clutch master, the clutch master is pretty simple, it's has two studs on the new unit, the clutch line under the hood, and on the inside of the firewall it attached to the pedal with a pin and 2 nuts, take the pin off, CAREFUL NOT TO LOSE IT, take the two nuts off, under the hood, carfeul with the lines you do not want to get brake fluid on your paint, it's pretty straight forward, the Nissan clutch master always comes pre-adjusted, the after market ones you usually have to adjust which can be a big pain in the ass, after your done bolting everything back up, make sure you have plenty of fluid and start bleeding the system, till your clutch feels normal, might actually feel a little stiffer than before if you got the Nissan part because of the new style piston inside the superseded part

IF YOU HAVEN'T DONE IT BEFORE, I RECOMMEND A SHOP, you'll hate yourself forever if you get brake/clutch fluid on your paint

I agree with Peter...