s13 Brake help!? thanks - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

silverdemon16 · 03-18-2010, 02:33 PM

When I push down on the brake it feels spongy and I bled the brakes and took it for a spin and the brakes still don't work. I have a s13 hatch with a s14 brake booster that was already in my car...any ideas...booster bad? Thanks

theresyourproblem · 03-18-2010, 02:36 PM

Does it go to the floor? Can you lock them up? Does it make any noise?

silverdemon16 · 03-18-2010, 06:59 PM

Yeah it goes to the floor and when I drove it and pressed down on it I can hear some noise coming from the calipers I think

buentellomma · 03-18-2010, 09:50 PM

sounds like your master brake cylinder is gone, check for leaks on the lines before replacing it because its not an easy task

theresyourproblem · 03-19-2010, 10:12 AM

^yup. master cylinder.

silverdemon16 · 03-19-2010, 01:22 PM

here's another thing we did, he took off the vacuum line for the booster and blew into it and held it shut and I stepped on the pedal and it actually got harder like it's suppose to...do you think it's still the master cylinder, because I don't see any leaks? but I'll look again for leaks

silverdemon16 · 03-21-2010, 04:33 PM

Quote:

Originally Posted by buentellomma

sounds like your master brake cylinder is gone, check for leaks on the lines before replacing it because its not an easy task

I think I'm going to try to bench bleed the master cylinder now, and if that still doesn't work then I'll replace it. What master cylinder can I use? only s13...or can I use s14, z32, etc...?

modulation · 03-22-2010, 10:22 PM

Quote:

Originally Posted by silverdemon16

I think I'm going to try to bench bleed the master cylinder now, and if that still doesn't work then I'll replace it. What master cylinder can I use? only s13...or can I use s14, z32, etc...?

You can use the master cylinder off any car you named.
Also a Z31, but not a q45. Only the s14 or z32 will be the same size or larger, the rest are smaller I believe except for maybe the z31 which is a little bigger.

03-18-2010, 02:33 PM	#1
silverdemon16 Zilvia Member Join Date: Jul 2009 Location: STL area, godfrey, IL Age: 36 Posts: 192 Trader Rating: (12) Feedback Score: 12 reviews	s13 Brake help!? thanks When I push down on the brake it feels spongy and I bled the brakes and took it for a spin and the brakes still don't work. I have a s13 hatch with a s14 brake booster that was already in my car...any ideas...booster bad? Thanks __________________ 90 240sx SE project, 05 Highlander w/duece dueces

03-18-2010, 06:59 PM	#3
silverdemon16 Zilvia Member Join Date: Jul 2009 Location: STL area, godfrey, IL Age: 36 Posts: 192 Trader Rating: (12) Feedback Score: 12 reviews	Yeah it goes to the floor and when I drove it and pressed down on it I can hear some noise coming from the calipers I think __________________ 90 240sx SE project, 05 Highlander w/duece dueces

03-19-2010, 01:22 PM	#6
silverdemon16 Zilvia Member Join Date: Jul 2009 Location: STL area, godfrey, IL Age: 36 Posts: 192 Trader Rating: (12) Feedback Score: 12 reviews	here's another thing we did, he took off the vacuum line for the booster and blew into it and held it shut and I stepped on the pedal and it actually got harder like it's suppose to...do you think it's still the master cylinder, because I don't see any leaks? but I'll look again for leaks __________________ 90 240sx SE project, 05 Highlander w/duece dueces

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03-18-2010, 02:36 PM	#2
theresyourproblem Join Date: Jan 2010 Location: Maine Age: 41 Posts: 24 Trader Rating: (0) Feedback Score: 0 reviews	Does it go to the floor? Can you lock them up? Does it make any noise?

03-18-2010, 09:50 PM	#4
buentellomma Zilvia Junkie Join Date: Mar 2010 Location: Goodyear AZ Age: 38 Posts: 480 Trader Rating: (6) Feedback Score: 6 reviews	sounds like your master brake cylinder is gone, check for leaks on the lines before replacing it because its not an easy task

03-19-2010, 10:12 AM	#5
theresyourproblem Join Date: Jan 2010 Location: Maine Age: 41 Posts: 24 Trader Rating: (0) Feedback Score: 0 reviews	^yup. master cylinder.