Ford 2011 Crown Victoria Owner's Manual page 271

REAR AXLE
Axle break-in – Police and middle eastern countries only
Rear axles in vehicles destined for use by police or in middle eastern
countries are equipped with a synthetic lubricant. Do not drive over
100 mph (160 km/h) for the first 1,000 miles (1,600 km) to allow axle
components to wear in. Additionally, only synthetic lubricant as specified
below should be used when maintenance is performed on the rear axle.
Lubricant specifications
Item Ford part name
Rear axle Motorcraft SAE
lubricant 75W-140 High
Performance Synthetic
Rear Axle Lubricant
ELECTRICAL
Battery - police
The Motorcraft maintenance-free battery normally does not require
additional water during its life. However, for severe service usage or in
high temperature climates, the electrolyte level should be checked at
least every five months or 5,000 miles (8,000 km). If the electrolyte level
is below the level indicator in any cell, add enough pure water to bring
the level up to the indicator. Never add electrolyte (battery acid) to the
battery as this could shorten battery life.
Battery - long term storage
Make sure that the battery is fully charged before putting the vehicle in
storage. Disconnect the negative cable if it will be stored for an extended
period of time.
If the battery is discharged, allow it to warm to a moderate temperature,
such as 60°F (16°C), and use a battery charger rather than the vehicles
charging system to bring the battery back to full charge. Use a battery
charger designed for commercial use such as the Rotunda GR-1. Never
let a fully discharged battery remain discharged for a long period of time.
Extended storage in a discharge state can cause irrecoverable damage to
the internal components or cracking of the container. As a battery
approaches a discharged state it becomes easier for the electrolyte to
freeze. If it freezes and expands it may crack the battery case.
2011 Crown Victoria (cro)
Owners Guide, 2nd Printing
USA (fus)
Crown Victoria Severe Duty
Ford part
number
XY-75W140-QL WSL-M2C192-A
Ford
specification
271