370z CSC Problem (2017 base 28xxx km)

Spooler · 06-17-2020, 08:52 AM

Dirty fluid would cause your soft pedal. It has water in it. Gravity bleed it and clean the gunk out. Most folks with success use a better quality Dot 4 brake fluid such a Motul RBF600 or Castrol (forgot the name of it).

Rusty · 06-17-2020, 08:58 AM

Quote:

Originally Posted by Spooler

Dirty fluid would cause your soft pedal. It has water in it. Gravity bleed it and clean the gunk out. Most folks with success use a better quality Dot 4 brake fluid such a Motul RBF600 or Castrol (forgot the name of it).

Castrol SRF. The $70 a liter stuff. I got 2 bottles sitting on the shelf.

djc119 · 06-28-2020, 11:16 AM

Quote:

Originally Posted by Rusty

Castrol SRF. The $70 a liter stuff. I got 2 bottles sitting on the shelf.

How much is needed for a complete fluid replacement?

I need to replace the DOT3 the car came with as my clutch pedal went soft yesterday. Running around on some farm roads at 3000-5000 RPMs with the A/C on and the ambient temp was around 85.

It came back periodically on the drive home and the reservoir was still full when I got it parked and checked it.

I figure it's about time as I topped 79K on the ride yesterday and it's the original fluid. Up until then I haven't had any problems other than occasionally a slight softness when it got hot.

Thx

Rusty · 06-28-2020, 08:53 PM

Quote:

Originally Posted by djc119

How much is needed for a complete fluid replacement?

I need to replace the DOT3 the car came with as my clutch pedal went soft yesterday. Running around on some farm roads at 3000-5000 RPMs with the A/C on and the ambient temp was around 85.

It came back periodically on the drive home and the reservoir was still full when I got it parked and checked it.

I figure it's about time as I topped 79K on the ride yesterday and it's the original fluid. Up until then I haven't had any problems other than occasionally a slight softness when it got hot.

Thx

Should be less then a liter. When you do it. DON'T let the reservoir go dry.

Z34_JU · 06-17-2020, 01:31 PM

Quote:

Originally Posted by Spooler

Dirty fluid would cause your soft pedal. It has water in it. Gravity bleed it and clean the gunk out. Most folks with success use a better quality Dot 4 brake fluid such a Motul RBF600 or Castrol (forgot the name of it).

Hey thanks for the reply, i'll get onto that. How would water get into the lines though?

Julian

06-17-2020, 08:52 AM	#1 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 14,153 Drives: 2013 Nismo 370z Rep Power: 2684394	Dirty fluid would cause your soft pedal. It has water in it. Gravity bleed it and clean the gunk out. Most folks with success use a better quality Dot 4 brake fluid such a Motul RBF600 or Castrol (forgot the name of it). Z34_JU likes this.

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