Vacuum Diagram Index
To find correct vacuum diagram usage, refer to engine identification label (not colored exhaust emission decal). Label is located at rear of left rocker cover on V8 engines and on left side rear on six cylinder engines. Determine calibration and revision (see illustration). Using following table; match model, engine, transmission, calibration and revision level to determine illustration number of vacuum diagram to be used.
| FORD VACUUM SYSTEM DIAGRAMS | ||||
|---|---|---|---|---|
| Vehicle | Transmission | Calibration | Revision | Fig. No. |
| 300" 1-Bbl. | ||||
| F100 | Man. Trans. | 6-51U | R-0 | 1 |
| E100 | Auto. Trans. | 6-52V | R-0 | 1 |
| F100 | Man. Trans. | 5-51G | R-4 | 2 |
| E100 | Man. Trans. | 5-51L | R-0 | 2 |
| F100 | Man. Trans. | 5-52K | R-2 | 2 |
| F100 | Man. Trans. | 6-51G | R-1 | 3 |
| E100 | Man. Trans. | 6-51L | R-0 | 3 |
| F100 | Auto. Trans. | 6-52G | R-0 | 3 |
| E100 | Auto. Trans. | 6-52K | R-0 | 3 |
| 302" 2-Bbl. | ||||
| F100 | Man. Trans. | 6-53G | R-1 | 4 |
| Bronco | Man. Trans. | 6-53G | R-1 | 5 |
| F100 | Man. Trans. | 6-53S | R-6 | 6 |
| F100, Bronco | Auto. Trans. | 6-54G | R-1 | 7 |
| Bronco | Man. Trans. | 5-53L | R-1 | 8 |
| Bronco | Auto. Trans. | 5-54L | R-O | 8 |
| Bronco | Auto. Trans. | 5-54M | R-O | 8 |
| F100 | Man. Trans. | 5-53G | R-2 | 9 |
| F100 | Man. Trans. | 5-53H | R-3 | 9 |
| F100, Bronco | Auto. Trans. | 6-54S | R-O | 10 |
| 351 "W 2-Bbl. | ||||
| Econoline (U-6000) | Man. Trans. | 5-64U | R-O | 11 |
| E100 | Man. Trans. | 6-64A | R-O | 12 |
| E100 | Auto. Trans. | 6-65A | R-O, R-1 | 13 |
| Econoline (U-6000) | Man. Trans. | 5-64A | R-1 | 14 |
| Econoline (U-6000) | Auto. Trans. | 5-65A | R-7 | 14 |
| Econoline | Auto. Trans. | 5-65B | R-O | 14 |
| 360" 2-Bbl. | ||||
| F100 | Auto. Trans. | 5-56A | R-9 | 15 |
| F100 | Auto. Trans. | 5-56C | R-O | 16 |
| F100 | Auto. Trans. | 5-56C | R-O | 17 |
| F100 | Man. Trans. | 6-55G | R-3 | 18 |
| F100 | Man. Trans. | 6-55U | R-3 | 18 |
| F100 | Auto. Trans. | 5-56C | R-O | 19 |
| F100 | Man. Trans. | 6-55G | R-3 | 19 |
| F100 | Man. Trans. | 6-55U | R-3 | 19 |
| F100 | Man. Trans. | 6-55G | R-5 | 20 |
| F100 | Auto. Trans. | 6-56C | R-6 | 20 |
| F100 | Auto. Trans. | 6-56U | R-12 | 20 |
| 390" 2-Bbl. | ||||
| F100 | Auto. Trans. | 6-58A | R-8 | 21 |
| F100 | Auto. Trans. | 6-58U | R-2 | 22 |
| F100 | Auto. Trans. | 6-58U | R-4 | 23 |
| F100 | Auto. Trans. | 6-58U | R-4 | 24 |
NOTE:
Vacuum diagrams for all Heavy Duty models, and for models with 460" V8 were not available from manufacturer at time of publication.