Contents Wiring diagrams Section: Differentials & Drive Axles All sections

Differential: Specifications Ford Thunderbird X

CAPACITY

ApplicationPts. (L)
7 1/2" Ring Gear(1) 3.75 (1.7)
8 3/4" Ring Gear(1) 4.00 (1.9)
(1) Fluid level should be 1/4" below filler hole.
(1)Fluid level should be 1/4" below filler hole.

REAR AXLE FLUID CAPACITY

CAUTIONIf axle of Traction-Lok differential model was drained, add 4 ozs. (.12L) of Friction Modifier (C8AZ-19B546-A) to fluid level.

AXLE ASSEMBLY SPECIFICATIONS

ApplicationSpecification
Capacity
7.5" Ring Gear(1) 3 Pts. (1.4L)
8.8" Ring Gear(1) 3.25 Pts. (1.5L)
Differential Case Runout.003" (.08 mm)
Maximum Ring Gear Backlash Variation Between Teeth.004" (.10 mm)
Nominal Pinion Shim Thickness.030" (.76 mm)
Pinion Bearing Preload (With Oil Seal)
New Bearings16-29 INCH lbs. (1.8-3.3 N.m)
Original Bearings8-14 INCH lbs. (.9-1.6 N.m)
Pinion Gear Thrust Washer Thickness.030-.032" (.76-.81 mm)
Ring Gear Runout.004" (.10 mm) MAX.
Ring Gear Backlash.008-.015" (.20-.38 mm)
Side Gear Thrust Washer Thickness.030-.032" (.76-.81 mm)
(1) Lubricant level should be level with bottom of filler hole.
(1)Lubricant level should be level with bottom of filler hole.

AXLE ASSEMBLY SPECIFICATIONS

TORQUE SPECIFICATIONS

ApplicationFt. Lbs. (N.m)
Axle Vent11-19 (15-26)
Brake Backing Plate Bolt20-40 (27-54)
Brake Caliper-To-Carrier Bolt23-29 (31-40)
Cover Bolt20-27 (27-37)
Differential Bearing Cap Bolt70-85 (95-115)
Drive Shaft-To-Companion Flange Bolt70-95 (95-129)
Oil Filler Plug20-30 (27-41)
Pinion Nut
7.5" Ring Gear170 (230) MIN.
8.8" Ring Gear140 (190) MIN.
Pinion Shaft Lock Bolt15-30 (20-41)
Ring Gear Bolt (1)79-85 (95-115)
Wheel Lug Nut85-105 (115-142)
(1) Use Loctite or equivalent thread locking compound.
(1)Use Loctite or equivalent thread locking compound.

TORQUE SPECIFICATIONS