Ford F150 1997 2003 Service Repair Manual Workshop - Jan 27, 2010 · 1997 - 2003 F150 - Rear Brakes Locking Up - 1999 F-150 5.4 v8 167,000 Recent Work -Cleaned EGR Valve, Replaced DPFE -Body Repair to the passenger side doors -New COP #4 Cylinder and New Plugs -New Front Brake Pads -New Alternator A month ago I started having a problem with my rear brakes locking up when I would first. Mar 26, 2015 · 1999 - 2003 7.3L Power Stroke Diesel - What are CAC tubes - What are CAC tubes? I had an oil leak through the flywheel cover. Still under warranty ($100 deductable). The dealership diagnosed CAC tubes leaking. Said they cleaned and resealed CAC tubes and cleaned the oil from the valley. I thought the common leak was.