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 MANUALSFORD1999EXPLORER 4WD V6-4.0L VIN EREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSAXLE SHAFTS
1999 Ford Explorer 4WD V6-4.0L VIN E
Axle Shafts
1999 Ford Explorer 4WD V6-4.0L VIN ESECTION Axle Shafts
1. Raise and support the vehicle. Allow the rear axle to be freely suspended.
2. Use white chalk or paint to mark a vertical line on the center of each rear tire.
3. Adjust both wheels so that the markings face the front of the vehicle. With a tape measure, measure the distance between the marks and record this reading (front reading).
4. Rotate the rear wheels so the markings are directly underneath the vehicle. Measure the distance between the marks and record this reading (bottom reading).
5. Rotate the rear wheels so the markings face the rear of the vehicle. Measure and record the distance between the marks (rear reading).
- Compare the front and the rear readings (Steps 3 & 5) to find the toe-in or toe-out condition.
- Toe-in occurs when the front measurement is less than the rear measurement.
- Toe-out occurs when the rear measurement is less than the front measurement.
7. To determine camber, find the average of the front and the rear measurements (Steps 3 and 5). Subtract the bottom reading (Step 4) from this number.
8. Positive (+) camber is when the bottom reading is less than the average of the front and rear readings. Negative (-) camber is when the bottom reading is greater than the average of the front and rear readings.
The results of the calculations in Steps 6 and 7 must conform to the following specifications:
Toe-in: 0 - 1/16 inch.
Toe-out: 0 - 3/16 inch.
Camber: 0 + 5/32 inch.
If the axle housing does not meet these specifications, it must be installed new.
9. After the axle housing has been installed, repeat Steps 2 through 7.
2. Use white chalk or paint to mark a vertical line on the center of each rear tire.
3. Adjust both wheels so that the markings face the front of the vehicle. With a tape measure, measure the distance between the marks and record this reading (front reading).
4. Rotate the rear wheels so the markings are directly underneath the vehicle. Measure the distance between the marks and record this reading (bottom reading).
5. Rotate the rear wheels so the markings face the rear of the vehicle. Measure and record the distance between the marks (rear reading).
- Compare the front and the rear readings (Steps 3 & 5) to find the toe-in or toe-out condition.
- Toe-in occurs when the front measurement is less than the rear measurement.
- Toe-out occurs when the rear measurement is less than the front measurement.
7. To determine camber, find the average of the front and the rear measurements (Steps 3 and 5). Subtract the bottom reading (Step 4) from this number.
8. Positive (+) camber is when the bottom reading is less than the average of the front and rear readings. Negative (-) camber is when the bottom reading is greater than the average of the front and rear readings.
The results of the calculations in Steps 6 and 7 must conform to the following specifications:
Toe-in: 0 - 1/16 inch.
Toe-out: 0 - 3/16 inch.
Camber: 0 + 5/32 inch.
If the axle housing does not meet these specifications, it must be installed new.
9. After the axle housing has been installed, repeat Steps 2 through 7.
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.