1968-Present E-Series Van/Cutaway/Chassis Econolines. E150, E250, E350, E450 and E550

Van pulls to the left when driving, and pulls to the right when braking

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  #16  
Old 03-18-2019, 11:05 AM
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I think I explained it backwards, but here is a video about it.
 
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Old 03-18-2019, 12:09 PM
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You explained it just fine.
I just couldn't understand the mechanics of it.
Carefully, I tightend the c-clamp just enough to lock the rotor, then removed the clamp. The rotor now turns much easier than before.
Now that I'm not affraid of breaking something, do I need to do it with a bit more torque again?
Much obliged.
 
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Old 03-18-2019, 12:43 PM
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I applied the brakes, then tried to turn the wheel again, its hard to turn just like it was before.
Do you think that I'm ready to start on replacing hoses, pads and calipers, or do I need to check somethinelse while I'm at it?
 
  #19  
Old 03-18-2019, 01:11 PM
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I suggest at a minimum replacing brake pads, both calipers, and rotors. I replaced both hoses with new old stock Ford OEM hoses on the front.
I have 2 Ford vans. Both had frozen calipers. I replaced 2 front rotors in one van as the run-out was out of specification. I replaced the front passenger side rotor in the other van.

You can buy new rotors on Amazon under $60. I bought AC Delco for both vans.

I found new old stock Ford OEM calipers on eBay for about $60 each. One set came with Ford OEM pads!

Rebuilding the calipers is easier than one thinks. I pulled apart a caliper 3 weeks ago and it was so pitted and worn that I discarded the caliper. I bought the seals for the other side and will rebuild it and use as a spare.
 
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Old 03-18-2019, 03:17 PM
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Coolfeet,
You think I should consider replacing the rotors as well?
I dont know if that would make a diffrence, but the milage on the van (1998) is less than 51,000 miles.
 
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Old 03-18-2019, 03:29 PM
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I would not replace the rotors unless there is evidence of overheating. If they did they would likely be warped and you would feel that when braking because the front end or steering wheel would shake or wobble when braking. Especially noticeable when coming down an off ramp from the Interstate. Check the surface and see how smooth they are. If there is some grooving you can take them to a machine shop and have them turned/re-surfaced.
 
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Old 03-18-2019, 03:38 PM
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Another Question:
Holding the wheel at 3 & 9 o'clock position, then rocking it right and left, there was 3/16" movement. is that normal?
 
  #23  
Old 03-18-2019, 04:50 PM
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I checked the run out on my rotors with a dial caliper. However, if you first bleed the brakes, and try to spin the rotor freely they should give you a good indication if the rotors have excessive wear. Rotors usually do not warp. Sticking calipers can deposit friction material on the rotors or cause them to wear unevenly.

If you feel the rotor sticking on the pads in a few positions then you probably need to replace the rotor. Some folks will exchange the left and right router. It’s like rotating tires I have never tried this but it’s worth doing.
 
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Old 03-18-2019, 04:55 PM
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Machine shops that turn rotors are rare. Finding a good mechanic to operate machine is rarer.

If if I could find a good machine shop that turns rotors I would do it.
 
  #25  
Old 03-18-2019, 05:11 PM
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Originally Posted by Hader
Another Question:
Holding the wheel at 3 & 9 o'clock position, then rocking it right and left, there was 3/16" movement. is that normal?
is the wheel attached ? There should be little no mo movement. Torque spec is about 9” Pound. Finger tight.
 
  #26  
Old 03-18-2019, 05:14 PM
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Originally Posted by coolfeet
If if I could find a good machine shop that turns rotors I would do it.
I must be very fortunate. We have a guy here that has the equipment to turn them on the vehicle without having to remove them. I drive my E350 hard so I was always overheating them. I had a wheel get so hot it started melting the tire. The last incident warped the rotors and it made my front end shake like crazy when hard stopping. I finally got sick of constantly having issues so I bit the bullet any bought racing rotors. Quite expensive but I've not had any brake issues since doing that.
 
  #27  
Old 03-18-2019, 07:08 PM
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Originally Posted by coolfeet
is the wheel attached ? There should be little no mo movement. Torque spec is about 9” Pound. Finger tight.
Yes, the wheel was attached.
There was no movement up & Down. Just side to side.
 
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