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 MANUALSFORD1994AEROSTAR AWD V6-245 4.0LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSDIFFERENTIAL ASSEMBLYPINION GEAR, DIFFERENTIALMEASUREMENT SPECIFICATIONREAR DIFFERENTIAL8.8 INCH RING GEAR
1994 Ford Aerostar AWD V6-245 4.0L
8.8 Inch Ring Gear
1994 Ford Aerostar AWD V6-245 4.0LSECTION 8.8 Inch Ring Gear
RING GEAR & PINION BACKLASH
Adjustment Method Shims
New / Used Bearings (Preferred) [1] 0.012 - 0.015 Inch
New / Used Bearings (Minimum) [1] 0.008 - 0.015 Inch
[1] Measurements taken at three different points cannot vary more than 0.003 inch.
Adjustment Method Shims
New / Used Bearings (Preferred) [1] 0.012 - 0.015 Inch
New / Used Bearings (Minimum) [1] 0.008 - 0.015 Inch
[1] Measurements taken at three different points cannot vary more than 0.003 inch.
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.