RABS Module?
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Cross-Country
Joined: Nov 2021
Posts: 97
Likes: 22
From: Tucson, AZ
RABS Module?
Having some rear brake issues on my 96' F350. Started with the yellow ABS light coming on occasionally, with no change in brakes. Now, when I have to brake hard, the rears lock up and release randomly, without the light coming on. Im assuming this is the Rabs module? Anything I should check/test first? Thanks.
Lead Driver
Joined: Apr 2016
Posts: 7,223
Likes: 1,343
From: Bahstun
you can bypass it with a few pipe fittings
https://www.ford-trucks.com/forums/1...ss-how-to.html
More on RABS if you want to test and repair
https://www.ford-trucks.com/forums/1...s-problem.html
https://www.ford-trucks.com/forums/1...ss-how-to.html
More on RABS if you want to test and repair
https://www.ford-trucks.com/forums/1...s-problem.html
Thread Starter
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Cross-Country
Joined: Nov 2021
Posts: 97
Likes: 22
From: Tucson, AZ
you can bypass it with a few pipe fittings
https://www.ford-trucks.com/forums/1...ss-how-to.html
More on RABS if you want to test and repair
https://www.ford-trucks.com/forums/1...s-problem.html
https://www.ford-trucks.com/forums/1...ss-how-to.html
More on RABS if you want to test and repair
https://www.ford-trucks.com/forums/1...s-problem.html
My other truck is down right now, the new transmission broke for the second time, so If I can just disable the RABS in the short term, that would be very convenient.
Thread Starter
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Cross-Country
Joined: Nov 2021
Posts: 97
Likes: 22
From: Tucson, AZ
I just tried it with the RABS unplugged, I do not recommend do that, super sketchy. The rear brakes lock up super easy, under medium-ish braking. Its like the brakes aren't proportioned properly without the RABS hooked up.
I plugged it back in, and did some hard braking, and now it seems to be working well. Ill get a little squeak out the the rear wheels, then the abs seems to be working well. I also did some hard braking on a dirt road, and that really seems to have helped. Maybe it had some crud in it? I drive like an old man, so I very rarely have to do any hard braking, maybe it hadn't activated in a while and was sticking?
Im going to order a new RABS, and flush the whole brake system when I install it this week.
I plugged it back in, and did some hard braking, and now it seems to be working well. Ill get a little squeak out the the rear wheels, then the abs seems to be working well. I also did some hard braking on a dirt road, and that really seems to have helped. Maybe it had some crud in it? I drive like an old man, so I very rarely have to do any hard braking, maybe it hadn't activated in a while and was sticking?
Im going to order a new RABS, and flush the whole brake system when I install it this week.
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