Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1967FAIRLANE BASE, 6.4L ENG VIN Z, NOT AVAILABLE TRANSREPAIR AND DIAGNOSISDRIVELINES & AXLESDIFFERENTIALS & DRIVE AXLESREAR AXLES - SEPARATE HOUSINGSPECIFICATIONSADJUSTMENT SPECIFICATIONS
1967 Ford Fairlane Base, 6.4L Eng VIN Z, Not Available Trans
Adjustment Specifications
1967 Ford Fairlane Base, 6.4L Eng VIN Z, Not Available TransSECTION Adjustment Specifications
| Ring Gear Backface Runout | .003" | |
| Side Gear Thrust Washer Thickness | .030"-.032" | |
| Pinion Gear Thrust Washer Thickness | .030"-.032" | |
| Differential Bearing Preload (New) | .008-.012" | |
| (Used 1964-69) | .003-.005" | |
| (Used 1970-72) | .005-008" | |
| Nominal Pinion Shim Thickness | ||
| 8-3/4", 9", 9-3/8" Ring Gear | .015" | |
| 8-1/2" Ring Gear | .030" | |
| 8" Ring Gear | .022" | |
| 7-1/4" Ring Gear | .017" | |
| Ring Gear to Pinion Backlash | .008"-.012" | |
| Maximum Backlash Variation Between Teeth | .003" | |
Tightening Specifications
| Application | Ft. Lbs: | ||||||
|---|---|---|---|---|---|---|---|
| Bearing Cap Bolt | |||||||
| 7-1/4" Ring Gear | 40-55 | ||||||
| 8" Ring Gear | 55-70 | ||||||
| All Others | 70-85 | ||||||
| Bearing Adjusting Nut Lock Bolt | 12-25 | ||||||
| Carrier to Housing Stud Nuts | |||||||
| 8", 8-3/4", 9", 9-3/8" Ring Gears | 25-40 | ||||||
| Pinion Retainer to Carrier Bolts | |||||||
| 8", 8-3/4", 9", 9-3/8" Ring Gears | 30-45 | ||||||
| Ring Gear Attaching Bolts | |||||||
| 7 1/4" Ring Gear | 40-55 | ||||||
| All Others (1964-71) | 65-80 | ||||||
| (1972) | 70-85 | ||||||
| Pinion Shaft Lock Pin | |||||||
| 8-1/2" Ring Gear Only | 15-22 | ||||||
| Rear Cover Screw & Washer Assemblies | |||||||
| 8-1/4" & 8-1/2" Ring Gears Only | 25-35 | ||||||
| Minimum Torque to Tighten Pinion Nut For Pinion Bearing Preload | |||||||
| 7 1/4" & 8 1/4" Ring Gears | (1) 140 | ||||||
| 8", 8 3/4" & 9" Ring Gears | (1) 175 | ||||||
| 9" & 9 3/8" W/Collapsible Spacer | 180-220 | ||||||
| Pinion Bearing Preload (Collapsible Spacer) (2) | |||||||
| Original Bearings 7-1/4" Ring Gear | 6-12 INCH lbs. | ||||||
| 8", 8-1/2", 8-3/4" & 9" Ring Gears | 8-14 INCH lbs. | ||||||
| New Bearings 7-1/4" Ring Gear | 17-32 INCH lbs. | ||||||
| 8", 8-1/2", 8-3/4" & 9" Ring Gears | 22-32 INCH lbs. | ||||||
| Pinion Bearing Preload (Solid Spacer) | |||||||
| 9-3/8" Ring Gear | 15-35 INCH lbs. | ||||||
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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.