Install new drive belt and tension. Refer to Drive Belt Tension Adjustment in the Adjustments portion of this section.
Accessory Drive Belt Tension Check, 7.5L MFI Engine
| Item | Part Number | Description |
|---|---|---|
| 1 | 8620 | Belt Drive |
| 2 | N811023-5309 | Bolt |
| 3 | 391319-S2 | Bolt |
| 4 | 014-R1056 | Belt Tension Gauge |
| A | — | Tension Range 244-271 Nm (180-200 Lbs.) |
| B | — | Tighten to 20-30 Nm (15-22 Lb-Ft) |
| C | — | Tighten to 54-71 Nm (40-52 Lb-Ft) |
Automatic Tensioner
| Engine | Nm | Lb-Ft |
|---|---|---|
| 4.9L, 7.5L | 68-92 | 50-68 |
| 5.0L, 5.8L, 7.3L | 47-63 | 35-46 |
Belt Tensioner, 7.5L F-Super Duty Motorhome Chassis
