Reset Master Cylinder Warning Piston? |
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Reset Master Cylinder Warning Piston? |
bkrantz |
Mar 30 2022, 08:46 PM
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#1
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914 Guru Group: Members Posts: 7,802 Joined: 3-August 19 From: SW Colorado Member No.: 23,343 Region Association: Rocky Mountains |
Seems like the small diameter piston that triggers the brake fluid pressure warning light in my new MC is not centered, so the small diameter segment is not aligned with the hole for the switch plunger. This photo shows the piston removed from my old MC.
Does anyone know how to reset or recenter the piston in the MC? (not reset the plunger on the switch) |
bkrantz |
Apr 3 2022, 06:58 PM
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#2
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914 Guru Group: Members Posts: 7,802 Joined: 3-August 19 From: SW Colorado Member No.: 23,343 Region Association: Rocky Mountains |
That's right. There should be no brake fluid in the port that the switch plunger sticks into. The seals on the warning piston should prevent that.
And the switch itself should have an O-ring. The single lead switch grounds the brown/white wire through the body of the MC to the chassis. Hopefully. |
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