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Super Moderator
1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
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24,523 Posts
Welcome to Allpar. Are there any pad marks left on the rotors from when they seize? Is there any wheel dragging noted when the brakes are hot and the wheels are off the ground? I would want to start with maybe a fresh set of premium brand name brake pads and fresh rotors if this hasn't been done already. Axle seal leaks will soak the parking brake shoes with gear oil.
Also investigate other drivetrain components that may be in trouble. Has the differential cover been off for an internal inspection? Any bearing or gear noises?
Brakes don't really know if you are accelerating or not.
 

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Super Moderator
1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
Joined
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24,523 Posts
Does this have a traction control option (works with the ABS system to lock the spinning wheel)? You would have a TRAC OFF button somewhere on the dash if you did. I don't think that it would be active at higher speeds.
 

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Super Moderator
1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
Joined
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24,523 Posts
Live data on a scan tool while driving and being able to get it to act up may help diagnose this if it was electronic. Being very random makes diagnosis difficult.
If it left a fault code along with a freeze-frame, it might help to put together what is happening here. There are data recorders for engine controllers, but maybe not for passenger car ABS control modules.
Unplugging the module temporarily for diagnostic purposes is a possibility, but is dangerous if you needed an ABS stop and didn't have it available. Therefore I can't really recommend that. It's up to you.
ABS won't apply the brakes. That is why I'm leaning more towards an intermittent mechanical problem, but lets keep an open mind as to the cause for now.
http://mycollisionconnection.com/issues/1/abs_ecu.html
 
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