89 Ranger 4x4 rear antilock light

stormy663 · Dec 1, 2007

I have owned this trck for about a year now and have been troubleshooting this problem all along. I have replaced the sensor, the master cylinder, front calipers and have conformed that all of the lines are good as well as the rear drum assembly.

When I replaced the rear diff sensor the light went our for about a day. It is back on.

What am I missing?

driveoverit · Dec 1, 2007

the RABS module on the frame rail???

metalmacguyver · Dec 2, 2007

driveoverit said:
the RABS module on the frame rail???

Jspafford · Dec 2, 2007

Could be that module. Mine was leaking when I checked it. Be careful with the brake lines, if they were like mine, they will be brittle.

stormy663 · Dec 2, 2007

it is the only thing that I have not replaced. I will have to see if there is a rebuild kit or try to find one that is not $300

jarz21 · Dec 3, 2007

The RABS hydraulic valve unit (mounted on the frame rail) should only range in price from $100 to $150 new. I'm not sure who is trying to scam you for $300. Does that also includes labor? Unless you're worried about brittle, rusty brake lines, it really does appear to be a straightforward and easy job. I've got to replace the unit on my '92 Ranger.

metalmacguyver · Dec 3, 2007

Jspafford said:
Could be that module. Mine was leaking when I checked it. Be careful with the brake lines, if they were like mine, they will be brittle.

dont be careful. be agressive with the lines. if they are brittle, then that means they are primed to fail. replace them before they do. otherwise they might fail when your in the 3rd lane on the highway doing 85 like they did for me.

stormy663 · Dec 27, 2007

The brake lines are in excellent condition so they are not a worry. It looks like the problem has been the master cylinder. The replacement that I bought earlier is a dud. It had a slow internal leak.

Thanks for the advice everyone.

89 Ranger 4x4 rear antilock light

stormy663

15+ Year Member

driveoverit

10+ Year Member

metalmacguyver

Yeah, I built that.

Jspafford

Logan Andrew Feb 17, 2012

stormy663

15+ Year Member

jarz21

15+ Year Member

metalmacguyver

Yeah, I built that.

stormy663

15+ Year Member

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