I assume it's an AMC pt #. Snap-On probably sells an equivalent. At
the risk of being drummed off the list for my dangerous shade tree
advice :^)); I've replaced the master cylinder and bled the system
several times over the years by clamping the valve stem with small
vise grips so it can't move. Usual disclaimers apply.
GM
-----Original Message-----
>Subject: 75 Bricklin - Pressure Differential Warning Valve &
Switch
>
>Looked at a 75 AMC service manual from a friend and the question
arose.
>
>The master cylinder has two lines that go to a pressure
differential
>switch (below the master cylinder on the drivers side inner
fender).
>
>The differential switch then sends the brake line to the rear and
front
>brakes. At the front of the switch there is a metering valve stem
that
>points to the engine.
>
>The book says "before bleeding disc brake system, the metering
valve
>section of the combination valve assembly must be held out with a
>metering release tool - J-23774-01 - to hold valve stem out at the
>correct travel with 25-38 lbs. pull"
>
>Anybody do this? And if so, where did you buy the tool?
>
> Thank you - George Iluk -
>
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