Rear Drive Axle/Differential - Ford 8.8-Inch Ring Gear: Specifications
General Specifications
| Item | Specification |
|---|---|
| Lubricant | |
| SAE80W-90 Premium Rear Axle Lubricant XY-80W90-QL | WSP-M2C197-A |
| Additive Friction Modifier C8AZ-19B546-A | EST-M2C118-A |
| Premium Long-life Grease XG-1-C | ESA-M1C75-B |
| Capacity | |
| Additive Friction Modifier | 118 ml (4 oz) |
| Rear axle lubricant | 1.8 liters (3.75 pints) |
| Rear axle lubricant level | 6.4 mm (0.25 in) to 14.3 mm (0.57 in) from the bottom of the fill hole |
| Sealant | |
| Clear Silicone Rubber D6AZ-19562-AA | ESB-M4G92-A |
| Threadlock® and Sealer E0AZ-19554-AA | WSK-M2G351-A5 |
| Adhesive | |
| Stud and Bearing Mount E0AZ-19554-BA | WSK-M2G349-A1 |
| Clearance, Tolerance and Adjustments | |
| Maximum differential ring gear back face runout | 0.102 mm (0.004 in) |
| Maximum differential case runout | 0.076 mm (0.003 in) |
| Maximum axle shaft end play | 0.762 mm (0.030 in) |
| Backlash between differential ring gear and pinion teeth | 0.203-0.381 mm (0.305-0.381 mm preferred) 0.008-0.015 in (0.012-0.015 in preferred) |
| Maximum differential ring gear backlash variation between teeth | 0.102 mm (0.004 in) |
| Maximum pinion runout | 0.25 mm (0.010 in) T.I.R. |
Torque Specifications
| Description | N.m | Lb-Ft | Lb-In |
|---|---|---|---|
| Differential pinion shaft lock bolt | 20--40 | 15--30 | - |
| Differential pinion bearing preload (used pinion bearings) | 0.9--1.5 | - | 8--14 |
| Differential pinion bearing preload (new pinion bearings) | 1.8--3.3 | - | 16--29 |
| Differential housing cover bolt | 45 | 33 | - |
| Fill plug | 30 | 22 | - |
| Handle for Pinion Depth Gauge | 2.2 | - | 20 |
| Differential bearing cap bolt | 105 | 77 | - |
| Differential ring gear bolt | 105 | 77 | - |
| Upper control arm nut | 87--119 | 64--87 | - |
| Lower control arm nut | 127--173 | 94--128 | - |
| Shock absorber nut | 76--103 | 57--75 | - |
| Bellcrank stud nut | 212--288 | 157--212 | - |
| Rear stabilizer bar bolt | 21--29 | 16--21 | - |
| Rear stabilizer bar link | 17--23 | 13--16 | - |
| Anti-lock sensor | 5--6 | - | 45--53 |
| Driveshaft bolt | 112 | 83 | - |
| Nut for Differential Clutch Setting Gauge | 6.7 | - | 60 |
| Initial minimum breakaway torque, Traction-Lok® | 27 | 20 | - |
| Differential housing vent | 11--24 | 8--18 | - |
| Bellcrank stud | 237--278 | 175--205 | - |