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 MANUALSFORD2005RANGER 4WD V6-4.0L VIN EREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINDIFFERENTIAL ASSEMBLYTESTING AND INSPECTIONDRIVELINE SYSTEMCOMPONENT TESTSPINION FLANGE RUNOUT CHECK - CIRCULAR
2005 Ford Ranger 4WD V6-4.0L VIN E
Pinion Flange Runout Check - Circular
2005 Ford Ranger 4WD V6-4.0L VIN ESECTION Pinion Flange Runout Check - Circular
CAUTION: Pinion bearing preload must be reset if the pinion nut has been loosened or removed for pinion flange reindexing or replacement.
1. Raise the vehicle on a twin-post hoist that supports the rear axle.
2. Remove the driveshaft.
3. Check the pinion flange for damage.
4. Position the Drive Pinion Flange Runout Gauge on the pinion flange.
5. Position the Driveshaft Clamp Plate onto the Drive Pinion Flange Runout Gauge.
6. Align the holes on the Companion Flange Plate with the holes in the pinion flange and install the bolts. Snug the bolts evenly.
7. Position the Dial Indicator Gauge Holding Fixture as shown. Turn the Drive Pinion Flange Runout Gauge, and locate and mark the high spot on the pinion flange with yellow paint.
If the flange runout exceeds 0.25 mm (0.010 inch), remove the pinion flange, reindex the flange one-half turn on the pinion, and reinstall it.
8. Check the runout again. If necessary, rotate the flange until an acceptable runout is obtained. If the flange runout is still more than 0.25 mm (0.010 inch), install a new pinion flange.
9. If excessive runout is still evident after replacement of the pinion flange, install a new ring and pinion. Repeat the above checks until the runout is within specifications.
10. Install the driveshaft.
1. Raise the vehicle on a twin-post hoist that supports the rear axle.
2. Remove the driveshaft.
3. Check the pinion flange for damage.
4. Position the Drive Pinion Flange Runout Gauge on the pinion flange.
5. Position the Driveshaft Clamp Plate onto the Drive Pinion Flange Runout Gauge.
6. Align the holes on the Companion Flange Plate with the holes in the pinion flange and install the bolts. Snug the bolts evenly.
7. Position the Dial Indicator Gauge Holding Fixture as shown. Turn the Drive Pinion Flange Runout Gauge, and locate and mark the high spot on the pinion flange with yellow paint.
If the flange runout exceeds 0.25 mm (0.010 inch), remove the pinion flange, reindex the flange one-half turn on the pinion, and reinstall it.
8. Check the runout again. If necessary, rotate the flange until an acceptable runout is obtained. If the flange runout is still more than 0.25 mm (0.010 inch), install a new pinion flange.
9. If excessive runout is still evident after replacement of the pinion flange, install a new ring and pinion. Repeat the above checks until the runout is within specifications.
10. Install the driveshaft.
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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.