What does this diagram show?

A hand-drawn sketch of a leaf spring with two pin locations — one labeled "existing pin" and one labeled "new pin" — above a spring perch mounted on an axle tube (drawn as a circle) with two matching rectangular pin holes.

How many pin positions are shown on the spring perch?

Two: one for the existing pin location and one for the new pin location, drawn as two rectangular openings in the top of the perch.

Does the diagram give any dimensions or part numbers?

No. The only text visible is "existing pin" and "new pin"; no measurements, torque values, or part numbers are shown.

Where is the new pin relative to the existing pin?

In the drawing, the new pin is shown to the right of the existing pin along the leaf spring, with a corresponding second hole in the spring perch.

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Ford Bronco Leaf Spring Pin Relocation Diagram - Existing vs New Pin Perch Sketch

Line drawing of a leaf spring labeled existing pin and new pin over an axle and tire

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Modification sketch of a leaf spring showing existing and new spring-pin locations over the axle.

AI caption November 2004 · Photo 253 of 269

This document is a simple hand-drawn schematic, apparently illustrating a leaf spring center pin relocation or a dual-pin spring perch modification. The upper portion of the drawing depicts a leaf spring pack shown as curved parallel lines, with two small rectangular pin locations marked along its length: the left one labeled "existing pin" and the right one labeled "new pin." Below the spring, a second sketch shows a trapezoidal spring perch (mount) drawn on top of a large circle representing the axle tube in cross-section. The top face of the perch contains two small rectangular openings that align with the two pin positions shown on the spring above, indicating that the perch is intended to accept both the original center pin location and a newly added pin location. The drawing contains no dimensions, measurements, part numbers, torque specifications, or year/model information — it communicates only the concept of adding a second pin position to a leaf spring and matching perch. It was uploaded to the gallery of a 1993 Ford Bronco alongside other suspension-related sketches (coil mount, shackle bushing hanger), suggesting it relates to a suspension/spring modification project, though the drawing itself does not state vehicle applicability.

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Frequently asked questions

What does this diagram show?: A hand-drawn sketch of a leaf spring with two pin locations — one labeled "existing pin" and one labeled "new pin" — above a spring perch mounted on an axle tube (drawn as a circle) with two matching rectangular pin holes.
How many pin positions are shown on the spring perch?: Two: one for the existing pin location and one for the new pin location, drawn as two rectangular openings in the top of the perch.
Does the diagram give any dimensions or part numbers?: No. The only text visible is "existing pin" and "new pin"; no measurements, torque values, or part numbers are shown.
Where is the new pin relative to the existing pin?: In the drawing, the new pin is shown to the right of the existing pin along the leaf spring, with a corresponding second hole in the spring perch.