Master Cylinder problem ?

ebpda9 · 10-23-2007, 03:12 AM

Yesterday i finally managed to change the brake fuid on my car and while i was pumping the brakes to take the air out i noticed that after pumping the brakes twice the level in the MC would raise. I did not see any bubbles coming into the reservoir, just the level raise. My dad saw it too and he thinks i am dealing with a bad MC, but then again i do not have a mechanical prop valve, just the electronic one in the ABS unit.

**Dookie** · 10-23-2007, 09:04 AM

Did you try using the brake pedel? Stepping on the brakes and releasing the value at the brakes? If fuel squirts out at the value your MC should be fine.

ebpda9 · 10-23-2007, 09:16 AM

yeah, i did that and they work. i just don't think that the fluid level should raise when pressing on the brake pedal

10-23-2007, 03:12 AM	#1
ebpda9 Join Date: Oct 2007 Posts: 10	Master Cylinder problem ? Yesterday i finally managed to change the brake fuid on my car and while i was pumping the brakes to take the air out i noticed that after pumping the brakes twice the level in the MC would raise. I did not see any bubbles coming into the reservoir, just the level raise. My dad saw it too and he thinks i am dealing with a bad MC, but then again i do not have a mechanical prop valve, just the electronic one in the ABS unit.

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10-23-2007, 09:04 AM	#2
Dookie ;-0 Join Date: Mar 2007 Location: Fresno - The arm pit of CA Posts: 5,045	Did you try using the brake pedel? Stepping on the brakes and releasing the value at the brakes? If fuel squirts out at the value your MC should be fine.

10-23-2007, 09:16 AM	#3
ebpda9 Join Date: Oct 2007 Posts: 10	yeah, i did that and they work. i just don't think that the fluid level should raise when pressing on the brake pedal

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