Rear ABS light

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Sep 20, 2007 | 10:23 PM

#16

2desertrat

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Joined: Sep 2007

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From: Tucson

I had the abs light on in my 89 F250 and the brakes were also soft.
I had failed to properly adjust the rear brakes and was hyper extending the wheel cylinders. Not enough to pop the seals out however. By manual pre adjusting the brakes and then bleading them the abs light went out and the brakes are good.

Sep 20, 2007 | 10:42 PM

#17

handsomerob

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I was under the impression that by applying the ebrake it would auto adjust, hence the auto adjuster. Am I wrong here?

Sep 20, 2007 | 11:05 PM

#18

Skandocious

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Joined: Oct 2006

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From: Davis & Newcastle, CA

No you need to use a small flathead in the small slot on the inside of the rear breaks to turn the small wheel inside to adjust them. Just the wheels up and spin them by hand, while adjusting the screw until you feel it start to have some drag. It might help to have another person help you.

Sep 21, 2007 | 05:27 AM

#19

mrl390

Elder User

Joined: Mar 2006

Posts: 590

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From: Venetia, PA

No you definately have to adjust your brakes manually. Its not a good idea to drive it without doing so first. As for that being the reason your ABS light is still on (Is it still on?) Im not so sure but it could be.

Sep 21, 2007 | 07:14 AM

#20

subford

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Joined: Aug 2005

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From: Easton,Ks

Ford has a TSB on this, Number tsb-95-5-21.

Last edited by subford; Sep 21, 2007 at 07:22 AM.

Sep 21, 2007 | 03:33 PM

#21

handsomerob

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TSB? please elaborate . . .

Sep 21, 2007 | 05:12 PM

#22

subford

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From: Easton,Ks

Quote:

Originally Posted by handsomerob

TSB? please elaborate . . .

The image is in the above post and this is the text.

Sep 21, 2007 | 05:38 PM

#23

Skandocious

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From: Davis & Newcastle, CA

You still need to adjust your rear brakes to correct the squishiness.

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Sep 21, 2007 | 05:46 PM

#24

quicklook2

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Joined: May 2004

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From: Lakewood, Ohio

you have air in system if you have 'squishiness'.

Sep 21, 2007 | 07:03 PM

#25

handsomerob

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O.k. I adjusted the brakes, they feel better, I have a 1990 so that TSB thing doesn't apply. and I still have the brake light on.

Sep 21, 2007 | 07:43 PM

#26

kcb37

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Joined: Jun 2006

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The only time you should have to bleed all four brakes is on an old car that has a single chamber master clyinder. Look around I would bet it is under the hood somewhere close to the master clyinder.