I was suspicious that my PacBrake wasn't working so I removed it and it was seized tight. After heating and pounding I got it free and lubed it up with the PacBrake lubricant and it works when I put a...
I make an effort to use our pac brake every time I take the motorhome out to prevent it from seizing up. What I do is apply the Pac brake. You can feel the transmission downshift, and engine braking occurs. When the RPM gets down to 2000 rpm or a little higher, I turn the brake off. Hopefully the transmission won't upshift. But when I turn it off, I can feel the braking let up some as the Pac brake releases.