Description
Factory Ford Bronco Workshop Manual (1966–1977)
This factory-sourced service manual covers every first-generation Ford Bronco built between 1966 and 1977, giving US owners and restorers the complete technical reference needed to maintain, diagnose, and rebuild these iconic 4x4s.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Gasoline | 170 cu in Inline-6, 200 cu in Inline-6, 289 cu in V8, 302 cu in Windsor V8 |
| Diesel | N/A |
| Transmissions | 3-speed manual, 4-speed manual, C4 3-speed automatic |
| Drive | 4WD |
| Model Years | 1966–1977 |
| Badge Twins | N/A |
Common Bronco Repairs Covered
| System | Procedures |
|---|---|
| Dana 20 Transfer Case | Rebuild, seal replacement, shift linkage adjustment, output shaft wear repair |
| 302 Windsor V8 | Carburetor rebuild, valve cover gasket replacement, timing chain inspection, oil leak diagnosis |
| Front Dana 30 Axle | Kingpin replacement, wheel bearing repack, differential seal service, U-joint replacement |
| Brakes | Drum brake shoe replacement, wheel cylinder rebuild, brake line inspection and bleeding procedures |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Which trim levels and chassis codes does this manual cover?
All first-generation Bronco variants are included — base Bronco, Bronco Sport, Bronco Ranger, and Bronco Explorer trim levels on both the U13 and U14 chassis designations. Whether your truck is an early 1966–1968 model or a later 1969–1977 unit with revised bodywork, the service procedures apply throughout.
Does this manual cover the Dana 20 transfer case and front Dana 30 axle?
Yes. Complete rebuild and service procedures are included for the Dana 20 transfer case, the front Dana 30 solid axle, and the rear axle assembly, covering torque specs, gear set replacement, kingpin service, and differential seal replacement.
Are wiring diagrams included for all model years?
Full electrical coverage is provided across all 1966–1977 model years, including charging, starting, ignition, lighting, and accessory circuits. Wire color codes, connector locations, and component testing specifications are included to support both fault diagnosis and full rewiring projects.
What format is the manual?
The manual is delivered as a fully searchable PDF compatible with Windows, Mac, iOS, and Android devices. Individual pages or complete sections can be printed for workshop use, and the file is available for re-download at any time after purchase.
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