Gt-r Clutch Pedal Query

[GodziRRa]

Hi Guys!

Got this bit of a problem w/ my GT-R BNR32 clutch pedal. I have a Nismo super coppermix twin, new master and slave clutch cylinders. I noticed that there are times that when I step on my clutch pedal sometimes it's hard and I can hear an air like sound that goes "shhhhhh" along w/ it. But right after that pedal feel, it goes back to normal. This happens a lot especially when the car is not used for like 5 days straight.

I have a push type clutch by the way. Hope GT-R gurus here can help me. Thanks!!!

[snozzle]

GTR's have vacuum assisted clutch master cylinders, you probably have a vacuum leak somewhere, this will make you use more of your own strength when the vacuum assistance is lessened. Sounds odd that its intermittent though.

If your wondering why ur clutch pedal is heavier when engine is off, that is the reason and its completely normal. If it gets to the "engine off heavyness" while the engine is on then you Definitely have a leak.

Edited September 11, 2010 by snozzle

[GodziRRa]

GTR's have vacuum assisted clutch master cylinders, you probably have a vacuum leak somewhere, this will make you use more of your own strength when the vacuum assistance is lessened. Sounds odd that its intermittent though.

If your wondering why ur clutch pedal is heavier when engine is off, that is the reason and its completely normal. If it gets to the "engine off heavyness" while the engine is on then you Definitely have a leak.

Thanks for the reply bro! Actually it happens when the engine is one... Damn! Now how to locate this vacuum leak? This would be quite hard since this problem does not happen regularly. Any advice mate?

[snozzle]

hmm its a tricky one mate, if your not mechanically minded id go to a performance workshop, let them sort it out