buzzardbait

They do tend to grabb sometimes and i know that they will let go but going into reverse and stopping hard sometimes helps

Park brakes are the biggest culprit it seems

dockman

Same thing happens on my 89 F150 after sitting for a bit on a rainy day. 2-4 times, then it's fine. Same thing used to happen on a Dodge truck I owned. Checked both thoroughly, no explanation.

Glad I could help

94F150XL

Its sounding like a more common thing. For me it might be due to the heavy winter this year up north. I bought the truck last spring and this is its first winter. (It was a southern truck prior.) I will just have to remember before hitting the breaks on rainy mornings.

Scot

My 97 does it and my dads 98 does it. If you look at the rotors/interior of drums the morning after a humid or rainy night you can see a light coating of rust (normal) and i think the first time you brake the extra friction between the pads and the rotors/drums causes them to lock up. The rotors just dont rotate smoothly between the pads. Completely normal, especially in trucks (light in rear) with rear drum brakes.