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 MANUALSFORD1967CUSTOM 7.0L ENG VIN R, STANDARD TRANS, TRANS MFR CD 170FREPAIR AND DIAGNOSISDRIVELINES & AXLESDIFFERENTIALS & DRIVE AXLESREAR AXLES - SEPARATE HOUSINGSPECIFICATIONSADJUSTMENT SPECIFICATIONS
1967 Ford Custom 7.0L Eng VIN R, Standard Trans, Trans Mfr CD 170F
Adjustment Specifications
1967 Ford Custom 7.0L Eng VIN R, Standard Trans, Trans Mfr CD 170FSECTION 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.