Technical > Brakes Forum

Front disc weird problem.

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J A Red:
I've converted my 56 bug over to front disc brakes. Been having a strange problem. After getting the lines bled I'll take the car for a spin. While at full steering lock (either direction) I loose all brake pedal pressure and have no brakes. Once the steering has straightened up I can get the brakes back by pumping the pedal. its Empi's front disc conversion kit w/ drop spindles, brake hoses aren't getting pinched or stretched that I can tell. Thinking of switching out the rubber hoses for braided to see if that helps. Any thoughts?

BUSDADDY:
Some sort of slop in the wheel bearings pushing the pads back when in a turn?, go drive around in a circle somewhere safe and see if the reservoir level rises.

Bruce:
Do you have a single or double cct master cylinder?

J A Red:
Bruce, I have a new dual master. The one that is recommended for this application.

mitchy965:
get the car on jack stands with the wheels off. have a pal on the pedal.spin the rotor by hand whilst holding pressure on the pedal and steering lock to lock.  some times a visual with help to locate the problem. i use a rounded jaw clamp tool to pinch off the hoses to isolate brake hydraulics. you can clamp off the rears to isolate the fronts to further narrow down the issue.

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