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 MANUALSMERCURY2009MILAN PREMIER, 3.0 1, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1360 (DRIVELINE SYSTEM - GENERAL INFORMATION)GENERAL PROCEDURESDRIVESHAFT INDEXING
2009 Mercury Milan Premier, 3.0 1, AWD
Driveshaft Indexing
2009 Mercury Milan Premier, 3.0 1, AWDSECTION Driveshaft Indexing
WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If indexing the driveshaft does not eliminate the vibration, balance the driveshaft. For additional information, refer to Driveshaft Runout and Balancing .
- If equipped, turn the air suspension service switch to the OFF position.
- With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING & LIFTING article.
WARNING:
Shut off the electrical power to the air suspension system prior to hoisting or jacking an air suspension equipped vehicle. Failure to do so may result in unexpected inflation or deflation of the air springs, which may result in shifting of the vehicle during these operations. Failure to follow this instruction may result in serious personal injury.
WARNING:
If equipped with fire suppression system, refer to FIRE SUPPRESSION SYSTEM
article for Important Safety Warnings. Failure to follow this instruction may result in serious personal injury.
CAUTION:
Do not reuse the bolts for the pinion flange. Install new bolts or damage to the vehicle may occur.
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.