Join Date: Sep 2013
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Trailer brake issues
Good day gents. Been snooping around this site for a bit now. Pleased to say I just bought my 5th new F-350 diesel Lariat since 2001 (2013). So far truck has been a pleasure to drive.
I hauled my trailer for work year around. One thing that has me a little confused to this point is. When I plugged my trailer into my truck for the first haul. I checked lights, hazards, ect. I drove out of my yard & drove about 25 km before I had to use the brakes. Once I applied the brake pedal, I had no braking action at the trailer. Reached over & applied the factory hand break bingo, I had brakes. Pulled the trailer 600 km & tested it several times with the same results.
I had to change some spring shackles on the trailer once I got to my destination. Jacked the trailer up so the tires were off the ground. With my trailer plugged into my truck, I had a couple guys spin the trailer tires by hand. Once again when pressure the brake pedal they would not stop. Tried again with the factory hand brake & sure enough the brakes would engage.
I'm sure I'm missing something but a little stumped.
Conducted these tests with brake settings at different power levels.
Same old trailer.Installed a new plug in end on the trailer. Done it a few times so not to worried about any issues with it.
Any input would be grateful