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HOMESERVICE MANUALSFORD2018F-450 SUPER DUTY LARIAT, 4D PICKUP CREW CAB, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)DRIVELINES & AXLESDIFFERENTIALS & DRIVE AXLESFRONT DRIVE AXLE DIFFERENTIALSPECIFICATIONSSPECIFICATIONSGENERAL SPECIFICATIONS
2018 Ford F-450 Super Duty Lariat, 4D Pickup Crew Cab, 4WD

General Specifications

2018 Ford F-450 Super Duty Lariat, 4D Pickup Crew Cab, 4WDSECTION General Specifications
Item Specification
Backlash Specifications 
Backlash between ring gear and pinion 0.13-0.20 mm (0.005-0.008 in)
Maximum ring gear backlash variation 0.05 mm (0.002 in)
Rotational Torque preload 
Pinion bearing torque preload(1) 1.9-3.6 Nm (16-32 lb-in)

(1) Refer to the appropriate procedure.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.