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phat larry

spongy brakes after upgrading to xyz

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So long story short I bought a g6et and previous owner gave me a decent deal on xyz brakes fitted.

but once he installed them and bleed the front and rear with new fluid, started getting spongy brake pedal.

He replaced the master cylinder but that did not help and he got super busy and I had to get it towed on Friday from qld to nsw.

 

Have now got it in my garage finally, so figuring it out if I should replace the booster or try rebleed it myself and see if that was the issue

 

Was told it was braking fine with the stock brakes before upgrading to these.

no error codes showing on the torque app.

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I've had ones like this where I had to bleed it at the ABS module first (module had air in it & this was the easiest way to get air out of it)

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Forscan has an abs module bleed function. I've never used it but it's free to download and could be something to look at. You need a tactrix or similar to connect to your obd port.

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Don’t ever bleed the system using that function lol, it's there to test the module only

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Don’t ever bleed the system using that function lol, it's there to test the module only
Interesting - I feel like that knowledge is going to get me out of trouble one day!

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So finally had time to bleed the brakes and 99% sure he didn't bleed both nipples on the xyz brakes calipers.

2L later doing the entire system and problem solved. Now to deal with the ricer exhaust (4" xforce exhaust system with rear muffler being deleted) lol 

 

Thanks guys for the help.

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