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Fifth Wheel Installation - 2004 Ford F-250

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How to Install a Fifth Wheel Hitch on a 2004 Ford F-250


Today on our 2004 Ford F-250, we're going to install part #RP56005-53. Were going to start off with our vehicle with the spare tire removed for a little bit easier access underneath the vehicle and also the rear wheels on the axle. We're going to temporarily remove the emergency brake cable hangers from the frame on the truck and keep them off to the side. Now we'll go ahead and start measuring for the rear mounting rail. We'll go ahead and measure from the edge of the bed to where the edge of a rail will eventually sit. We'll make two marks.

We'll go ahead and take our mounting rail and lay it against the two marks. Now we'll go ahead and start marking for our holes we have to drill through the bed. We use a 1/2-inch drill bit and mark our holes. Well mark the paint and then we'll go ahead and remove our rail, and then drill a pilot hole. We'll do this on both sides of the bed.

With our pilot holes drilled, we'll go ahead and take one of the frame brackets, we'll be working with the drivers side, and hold it up against the frame and compare it to the holes we just drilled. At this point, we'll also take part of the hardware for the cable hangers and we'll go ahead and run it through the frame bracket and then loosely put the nut on the other side. Thatll hold it in place for now. We're done with our drivers side. We'll go ahead and take the frame bracket for our passengers side and compare it to the holes as well.

Once everything looks good, we'll go ahead and drill out our holes out to 9/16ths. At this point, we can go ahead and start installing the frame brackets to the frame. We'll take the frame bracket, hold it up to the holes, then install our large carriage bolt from the outside going to the inside, then we'll install our block, a lock washer and nut, and we'll leave everything finger tight for now. Going towards the front, we'll install a clamp and two long carriage bolts. We'll run through the holes on the frame bracket, then loosely install a conical toothed washer and nut.

When you install the conical toothed washer, you want to make sure that the teeth are pointing towards the hitch. Now we're going to leave these finger tight as well. We're done with our drivers side, lets go ahead and go over to the passengers side and repeat the same process. Now we can go ahead and put the mounting rail into the bed and into place. We'll put two blocks in the corrugation right next to the holes we drilled as close as possible, then we'll lay our mounting rail on top of the holes and then we'll install the carriage bolts that come with that kit. Then we'll go back underneath the truck and install the conical toothed washers and nuts. Now we'll go ahead and start working on the front rail. We'll be using a fifth wheel hitch to locate our front rail. We'll go ahead and put it into place into our back row and then go ahead and line up our front rail with it. Then once again, we'll go ahead and mark control for our holes. With our holes drilled out, we'll go ahead and install the hardware just like we did for the back rail. Make sure we have our blocks in place and then run our carriage bolts through. Then underneath, we'll get our conical toothed washers and nuts. Now with everything loosely installed, we'll go ahead and make sure that the hitch can be easily removed and reinstalled. After that, make sure the pins are installed and then we'll go ahead and start tightening down our mounting rails to the bed. We'll go ahead and snug down the bolts first on both rails. Once we're sure that the rails are good, we'll torque the bolts down as specified in the instructions. When the mounting rail is torqued down, then we'll go ahead and tighten and torque the frame brackets to the frame. With everything tightened down, we'll have to install two more bolts. We'll install two bolts on the inside edges of the mounting rails. We'll leave the bolts for last because it makes it a little bit easier to adjust the rails if needed to make sure the hitch can be removed. We go ahead and drill out a half-inch hole, and just run our bolts through and underneath we'll get a conical toothed washer and nut. Then we'll torque those down as well. At this point, we can go ahead and reinstall the tire and wheels and thatll finish it for our install of part #RP56005-53 on our 2004 Ford F-250.


Info for this part was:

Employee Joe V
Test Fit:
Joe V
Employee Zack K
Video Edited:
Zack K
Employee Dustin K
Video Edited:
Dustin K
Employee Andrew K
Video by:
Andrew K

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