Re: transmission problems
What filter for the trans cooler? Unless someone added an aftermarket filter the only filter you have is in the pan. What color is the fluid? Does it smell burnt? Do you see metal particles in the fluid? Are there any other symptoms other than the one downshift issue? Does it slip at all during upshifts? How about shudder under acceleration? You may want to try a filter change and fluid flush before digging deeper.
97 F-350 XLT CC DRW 4X4 PSD, 285/75-16 Custom bumpers, Gauges-boost/egt/trans, Swamps IDM, 3.5"dp- 4" exh., 3" Body lift, ES bushings/mounts, Built trans, billet conv, B&M pan, Hayden cooler, Adrenaline, stage 2's, IC, H2E, E-fuel
ARP's, 910's, Smith Bros. to come