Sticky: (Official) 370Z Clutch Pressure (CSC) Failures

MJB · 09-07-2014, 04:50 PM

IDK, I just think you guys over think/analyze when it comes to fluids for this car. There is nothing special DOT 4 or 5 has over DOT 3 other than they have a higher boil point. Unless you are on the track, you are not going to boil your clutch fluid with street driving. The problem with the stock slave cylinders lies within the seal itself. Its a crap design and it fails, regardless of what fluid you put in there. I read thread after thread of people spending hundreds of dollars on high end oils, expensive brake fluids, ect, when in reality its a waste unless you are building a flat out race car. DOT 3 is perfectly fine for our clutch hydraulics system. When dealership mechanics starting put in this so called "GT-R" fluid (which is just DOT 4, nothing special about it) people now think its a cure-all for these CSC/CMC issues, SMH.

09-07-2014, 04:50 PM	#11 (permalink)
MJB A True Z Fanatic Join Date: Aug 2011 Location: Tacoma, WA Age: 41 Posts: 1,498 Drives: a POS truck Rep Power: 496	IDK, I just think you guys over think/analyze when it comes to fluids for this car. There is nothing special DOT 4 or 5 has over DOT 3 other than they have a higher boil point. Unless you are on the track, you are not going to boil your clutch fluid with street driving. The problem with the stock slave cylinders lies within the seal itself. Its a crap design and it fails, regardless of what fluid you put in there. I read thread after thread of people spending hundreds of dollars on high end oils, expensive brake fluids, ect, when in reality its a waste unless you are building a flat out race car. DOT 3 is perfectly fine for our clutch hydraulics system. When dealership mechanics starting put in this so called "GT-R" fluid (which is just DOT 4, nothing special about it) people now think its a cure-all for these CSC/CMC issues, SMH. Chuck33079 likes this. __________________ 09 Nismo #0483 sold. Viper or C7 next time around.

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