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'94-96 F-series & Bronco Cab Steps (Running Boards F1TZ16450AK) (Original kit: F3TZ-16450-L)
IF THE IMAGE IS TOO SMALL, click it.

The (Bronco only) rear bracket (F4TZ16488A orange #10) has 2 anti-spin tabs; the front (F2T316C078AB yellow #7) has only 1. The same bracket is used (in each case) for Left & Right. As of 2023, I have the small front & rear L brackets that connect the ends of the fiberglass steps to the body, and the bridges (front dk.green all & rear purple Bronco only) glued to the steps' ends for sale. I don't sell the adhesive, but 3M 08116 is a good one.

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NOT CALLED OUT: foam self-adhesive weatherstrip (F2TZ16536B brown) on top edge of step (#3) very similar to TrimLok P-bulb HT but replaceable by twin bulb strip, but could be replaced by 3/8x3/16" x 10' or 3/8x1/4" x 33'. Bronco steps are 69"ea; std.cab are 59"; x-cab are 80".

Installation & Alignment: (factory steps & tubes)
1) Install the step assembly (#3) onto the bracket (#5) using 2 nuts (#4, 13mm hex)
2) Install bracket (#7, & Bronco only #10) loosely to the body using existing wheelwell fasteners (#8 5.5mm hex and Bronco only rear not shown 1/2" hex)
3) Position the step & bracket below the body; install 4 pinch-weld bolts (#1 tan, 10mm hex) loosely
4) Install 2 inboard bolts (#6, 10mm hex) loosely to floor reinforcement lip
5) Raise step so its top edge contacts the bottom lip of the rocker/fender/quarter; align the front curve of the step with the front wheel arch; tighten 4 pinch-weld bolts
6) Push the step inboard so its outboard edge aligns with the lowest body line; tighten 2 inboard bolts
7) Tighten tab bolts (#2 pink, 8mm hex), bracket screw (#8 5.5mm hex), and (Bronco only) wheel liner bolt & nut (not shown 1/2" hex)

The factory bracket is made of thin-walled steel tubing that was only painted on the OUTside, so it collects water & mud, and rusts from the inside out. It's also very susceptible to damage. The factory bracket #5 without anything attached weighs ~5lbs; I'm not sure how much the $500 reproduction version weighs, but it won't work if your steps' long studs (red) are rusted off. Mine weighs 13.5 lbs per side. If you want a set, scroll down (or keep clicking "NEXT" at the top left of the page if you're only looking at this diagram) and read all the captions in this photo album.

See also:
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The TSB below also applies to cab steps, nerf bars, bumpers, grill guards, & utility beds.
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TSB 95-08-06 RUNNING BOARDS - INCORRECTLY INSTALLED -NOISE VIBRATION HARSHNESS CONCERNS
Publication Date: APRIL 24, 1995 (This TSB is being republished in its entirety to include vehicles through the 1995 model year.)

LIGHT TRUCK:
1987-90 BRONCO II
1987-95 BRONCO, ECONOLINE, F-150-350 SERIES, RANGER
1988-95 F SUPER DUTY
1991-95 EXPLORER

ISSUE: Running boards which are incorrectly installed may result in noise/vibration complaints.

ACTION: Install running boards to either the body OR the frame; NEVER to both unless the mounting system uses isolated mounts. A manufacturer's instruction to attach running boards to both body and frame should be immediately questioned because such action provides a direct path from chassis to body for road vibration and noise.

OTHER APPLICABLE ARTICLES: NONE
SUPERSEDES: 91-04-11
WARRANTY STATUS: INFORMATION ONLY
OASIS CODES: 108000, 702000, 703000