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CAUTION!
Never use Non-Detergent Oil or Straight Mineral Oil in the engine or damage may
result.
NOTE:
A new engine may consume some oil during its first few thousand miles (kilometers) of
operation. This should be considered a normal part of the break-in and not interpreted as
an indication of difficulty. Please check your oil level with the engine oil indicator often
during the break in period. Add oil as required.
6.4L Engine Break-In
For vehicles equipped with the 6.4L use the following engine break-in recommendations:
Despite modern technology and World Class manufacturing methods, the moving parts of
the vehicle must still wear in with each other . This wearing in occurs mainly during the first
500 miles (805 km) and continues through the first oil change interval.
It is recommended for the operator to observe the following driving behaviors during the
new vehicle break-in period:
0 to 100 miles (0 to 160 km):
• Do not allow the engine to operate at idle for an extended period of time.
• Press the accelerator pedal slowly and not more than halfway to avoid rapid accelera-
tion.
• Avoid aggressive braking.
• Drive with the engine speed less than 3,500 RPM.
• Maintain vehicle speed below 55 mph (88 km/h) and observe local speed limits.
100 to 300 miles (160 to 483 km):
• Press the accelerator pedal slowly and not more than halfway to avoid rapid accelera-
tion in lower gears (1st to 3rd gears).
• Avoid aggressive braking.
• Drive with the engine speed less than 5,000 RPM.
• Maintain vehicle speed below 70 mph (112 km/h) and observe local speed limits.
300 to 500 miles (483 to 805 km):
• Exercise the full engine rpm range, shifting manually (paddles or gear shift) at higher
rpms when possible.
• Do not perform sustained operation with the accelerator pedal at wide open throttle.
• Maintain vehicle speed below 85 mph (136 km/h) and observe local speed limits.
For the first 1500 miles (2414 km):
• Do not participate in track events, sport driving schools, or similar activities during the
first 1500 miles (2414 km).
OPERATING YOUR VEHICLE
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