ABS issue?

brittle · 07-05-2009, 11:24 AM

On my 98 f150 4x4 it feels like the abs is always active, when I press the pedal it pulsates. This is not a rotor problem as the pulsing is the same at any speed. Other than the pulsing the brakes work fine. Any suggestions?

leolkfrm · 07-05-2009, 12:02 PM

how do you know the rotors are not warped? did you lube the calipers?

brittle · 07-05-2009, 12:46 PM

I assume if the rotors were warped the pedal would pulse at the rate of rotation of the rotors. The pedal pulse is the same at any speed. I've had warped rotors on other vehicles and they felt different than this.

07-05-2009, 11:24 AM	#1
brittle Junior Member Join Date: Dec 2008 Posts: 9	ABS issue? On my 98 f150 4x4 it feels like the abs is always active, when I press the pedal it pulsates. This is not a rotor problem as the pulsing is the same at any speed. Other than the pulsing the brakes work fine. Any suggestions?

07-05-2009, 12:02 PM	#2
leolkfrm Senior Member Join Date: Mar 2008 Location: N.Y. Posts: 4,300	how do you know the rotors are not warped? did you lube the calipers? __________________ 4 wheels move the body 2 wheels move the soul B.W.A.I

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07-05-2009, 12:46 PM	#3
brittle Junior Member Join Date: Dec 2008 Posts: 9	I assume if the rotors were warped the pedal would pulse at the rate of rotation of the rotors. The pedal pulse is the same at any speed. I've had warped rotors on other vehicles and they felt different than this.