Fluid - Differential
| TYPE: | Standard | 80W-90 GL-5 | |
| F150/4.10:1 axle ratio and Lightning Pickup, rear | synthetic 75W-140 GL-5 | ||
| Limited-Slip LIMITED-SLIP OR TRACTION-LOK IDENTIFICATION: Label on door lock pillar shows letter and number | 80W-90 GL-5* | ||
| CAPACITY, Refill: | Rear: | Ford w/8.8" ring gear 8.8" & 10-1/4" has removable cover. Fill 1/4" to 9/16" below fill hole | 5.5 |
| w/10-1/4" ring gear 8.8" & 10-1/4" has removable cover | 6.5 | ||
| Dana 60-IU Fill Dana axles 1/4" to 3/4" below fill hole | 6.3 | ||
| Dana 70 except HD Fill Dana axles 1/4" to 3/4" below fill hole | 6.5 | ||
| Dana 70 Fill Dana axles 1/4" to 3/4" below fill hole | 7.4 | ||
| Dana 80 Fill Dana axles 1/4" to 3/4" below fill hole | 8.3 |