For PCV valve replacement, see your dealer or a qualified service
technician. Refer to scheduled maintenance information for the
appropriate intervals for changing the PCV valve.
Replace the PCV valve with one that meets Ford material and design
specifications for your vehicle, such as a Motorcraft or equivalent
replacement part. The customer warranty may be void for any
damage to the emissions system if such a PCV valve is not used.
2
For spark plug replacement, see your dealer or a qualified service
technician. Refer to the scheduled maintenance information for the
appropriate intervals for changing the spark plugs.
Replace the spark plugs with ones that meet Ford material and
design specifications for your vehicle, such as Motorcraft or
equivalent replacement parts. The customer warranty may be void
for any damage to the engine if such spark plugs are not used.
REFILL CAPACITIES
Fluid Ford Part
Name
Application Capacity
Brake fluid Motorcraft High
Performance
DOT 3 Motor
Vehicle Brake
Fluid
All Fill to max line
on reservoir
Engine oil
(including filter
change)
4
Motorcraft SAE
5W-20 Premium
Synthetic Blend
Motor Oil (US)
Motorcraft SAE
5W-20 Super
Premium Motor
Oil (Canada)
4.6L 6.0 quarts
(5.7L)
Fuel tank N/A All 22.5 gallons
(85.2L)
Power steering
fluid
Motorcraft
MERCON威 ATF
All Fill between the
MIN and MAX
lines on
reservoir
2005 Aviator f/k/a Navigator LS (231)
Owners Guide (post-2002-fmt)
USA_English (fus)
Maintenance and Specifications
349
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