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Hello all thanks for the help.
I have a 2011 F150 XLT 5.0 120K miles
A few weeks ago started pulling to the left when braking, then randomly would pull to the right. When I accelerate I can hear a faint "squeek" almost like metal rubbing. Let of the gas goes away re apply gas might come back might not, but only hear it when accelerating.
I had changed the left front caliper and rotor about 6 months ago and pads. After inspecting the right side, I found the caliper had frozen.
Replaced the right front caliper and rotor, And both left and right front brake pads. Did a full system bleed, Starting at back right then back left, front right then front left. All fluid ran clear with no air bubbles. Verified slid pins on both calipers were lubed properly.
This did not fix the problem. After further inspecting the left side I found my spring was broken on my strut. Replaced both front struts this morning. Had one ball joint on each side that wanted to spin when reinstalling. Other than that everything felt/looked fine. Got everything reinstalled went for a drive, STILL PULLS LEFT WHEN BRAKES ARE APPLIED.
Make sure you put the pads on in the correct orientation. It's easy to mix them up. There is an inboard and an outboard pad and if installed wrong can cause all sorts of issues such as the one(s) you describe. The inner pads have humps on them, the outer pads do not.
Not sure about any markings, the only way to know for sure are those humps, they should be touching the caliper pistons. Putting them on the outside causes the caliper to bind. I've seen others put both inner pads on one side and both outer pads on the other and I've seen them mixed inside on outside, outside on inside.
Only takes a minute to pull a wheel and double check as it is the most common mistake a lot of people make.
Hey,
Yea I have seen a lot about the hoses. If the said caliper bleeds fine can I assume the line is also ok. Or under the load of actuating the piston in the caliper, collapses the the line?
I’m not exactly sure the mode of failure, other than they develop some type of internal blockage.
fluid will pass, but not completely without restriction like it should. So if the right line has a restriction, the vehicle will pull to the left until the pressure on the right side catches up with the left. Then as you back off the pedal, the fluid in the right caliper can’t flow back to the master at the same rate as the left side causing it to pull to the right.
the last one that did this to me was my 2006 expedition. It would dart to the right on the first brake application, but just ever so slightly. Then as I let off and reapplied the pedal it would stop straight with no pull. I bled them and everything felt fine on all 4 corners but it did not fix the pull. Replaced both brake hoses in the front and the problem was solved.
I would replace them in pairs. I’ve done them one at a time but if there is any age at all on them you will feel the new hose.
if this were mine I would replace both hoses. They don’t last forever.
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