Lincoln 2006 LS Owner's Manual page 307

Item Ford part
name
Rear Axle Motorcraft SAE
Lubricant 75W-140 High
Performance
Rear Axle
Lubricant
Automatic Motorcraft
transmission MERCON V
fluid ATF
Windshield Premium
washer fluid Windshield
Washer
Concentrate
1
Use only brake fluids certified to meet Ford specifications. DOT 3 fluid
is recommended. However, if DOT 3 is not available, DOT 4 fluid can be
used.
2
Ford design rear axles contain a synthetic lubricant that does not
require changing unless the axle has been submerged in water.
3
Ensure the correct automatic transmission fluid is used. MERCON and
MERCON V are not interchangeable. DO NOT MIX MERCON and
MERCON V. Refer to the scheduled maintenance information to
determine the correct service interval.
ENGINE DATA
Engine
Displacement
Required fuel
Firing order
Ignition system
Spark plug gap
Compression ratio
2006 Lincoln LS (dew)
Owners Guide (post-2002-fmt)
USA (fus)
Maintenance and Specifications
Ford part
number
XY-75W140-QL
2
XT-5-QM
3
ZC-32-A
3.9L-4V V8 engine
241 cid (3 949 cc)
91 octane
1-5-4-2-6-3-7-8
Coil on plug
0.040–0.044 inch (1.0–1.1mm)
10.75:1
Ford
specification
WSL-M2C192–A
MERCON V
WSB-M8B16–A2
307