1977 Jeep CJ7



September, 26, 2009 AT 4:29 PM

Brakes problem
1977 Jeep CJ7 6 cyl Four Wheel Drive Automatic

What is an alternative tool for resetting the valve to get fluid to the rear drums? This jeep has a 7/16 brass fitting with a small hole showing. Shoud we pull this out or get a small pin and use more force? Tks G. Case

1 Answer



September, 27, 2009 AT 6:08 AM

The proportioning valve is actually a three part unit, containing a metering valve, pressure differential valve and brake pressure warning switch.
If any of these functions fails, the unit must be replaced
It is not repairable.

1. Disconnect the brake lines at the valve and plug them.

2. Unbolt and remove the valve.

3. Installation is the reverse of removal. Bleed the system

ket le know if you questions.

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