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1984 Ford Bronco Rear Crossmember/Tailgate Sill Fabrication Sketch & Dimensions

Sideways hand-drawn dimensioned sketch of a truck cross sill with measurements and fabrication notes
Sideways hand-drawn dimensioned sketch of a truck cross sill with measurements and fabrication notesOriginal file
Sideways hand-drawn dimensioned sketch of a truck cross sill with measurements and fabrication notes

Reference · 1980-1986 BroncoAll 26 blueprints

1984 Ford Bronco Rear Cross Sill End Detail - Dimensioned Repair Sketch 1984 Ford Bronco Rear Cross Sill End Detail - Hand-Drawn Fabrication Blueprint 1984 Ford Bronco Rear Bed Floor Replacement Panel - Dimensioned Sketch 1984 Ford Bronco Rear Bed Floor Replacement Panel - Hand-Drawn Dimensions 1984 Ford Bronco Hand-Drawn Panel Template Sketch - 49" x 52" with Cutout Dimensions 1984 Ford Bronco Rear Cross Sill Fabrication Sketch - 75" Tailgate Sill Plan 1984 Ford Bronco Rear Crossmember/Tailgate Sill Fabrication Sketch & Dimensions 1984 Ford Bronco Rear Bed Floor Replacement Panel Dimensions - DIY Sketch Trim panel hole layout photos for positions A, B and C with tape measure readings from the body line Ford Axle Brake Flange Dimensions Diagram - Small/Big Ford, Bronco, 8.8" Types Ford Bronco Clutch Lever Control Arm Blueprint - Hole Sizes & Dimensions Ford Bronco Steering Box Clamp Brace Blueprint - Dimensions & Fab Drawing 26blueprints1980-1986 Ford Bronco More reference 1984 Ford Bronco Owner Guide, Operating Guide & 4-Wheeling With Ford BookletsBrochure 1984 Ford Bronco Illinois Title - VIN 1FMEU15F1ELA32180, Issued 12/12/01Spec plate 1996 Ford Bronco & F-Series Trailer Wiring Diagram - 7-Pin Connector PinoutWiring diagram 1992-96 Ford F-150/F-250/F-350 2WD Front Sway Bar Diagram & Part NumbersExploded parts 1992 Ford E4OD Transmission Fault Code Diagnosis Chart - DTC List & SymptomsService procedure Smallblock V8 Coolant Flow Diagram - Ford Engine Cooling Path SchematicSchematic 1996 Ford Bronco/F-Series Starting System - Section 03-06 ContentsManual page 1985 Ford Bronco Vacuum Hose Routing Diagram - EGR, TAB/TAD Solenoids, CanisterVacuum routing Bronco drive shaft torque limits table and special tool T74P-4635-CTorque spec '95 F150 fuse and relay chart with fuse panel layout, ATC and Maxi fuse amp tablesFuse chart

Rotated hand-drawn dimensioned fabrication sketch of a cross sill showing measurements and build notes.

Part of 1980-1986 Ford Bronco Blueprints

AI caption · Photo 1096 of 2747

This is a handwritten notebook page (site-classified as a blueprint) containing fabrication sketches and notes for a replacement rear crossmember/sill for the tailgate area of a truck or Bronco bed. The required dimensions are listed at the top: 75 inches wide, 3 inches tall, and 7 inches wide with flange. Four hand sketches show the part: a side profile of the long channel with dashed section lines (with 3" and 8" dimension callouts), a small cross-section detail measuring 3" by 6", a plan view of the 75"-long sill with a 20" dimension to the first feature and mounting holes, and a view of the sill positioned under the (cross-hatched) body/bed. Bulleted fabrication notes state that a 5"-wide base/top will be fine, that mounting strength comes from spot-welding to the tailgate post and spot/welding to the rear bed, that the body should be jacked so the cross sill can slide under the body in one piece, that the tailgate post area should be cleaned up for good welds, and that the sill must match the outer edge of the tailgate. Useful for anyone fabricating a rear bed crossmember/tailgate sill repair.

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Frequently asked questions

What are the required dimensions for the replacement sill/crossmember?
The notes call for a piece 75" in width, 3" tall, and 7" wide with flange. A cross-section detail also shows 3" x 6", and one note says a 5" wide base/top will be fine.
How is the crossmember supposed to be mounted?
Mounting strength comes from spot-welding to the tailgate post and spot-welding/welding to the rear bed.
How is the sill installed under the body?
The note says to jack the body so the cross sill can slide under the body in one piece.
What prep work is recommended before welding?
Clean up the tailgate post area for good welds, and make sure the sill matches with the outer edge of the tailgate.

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