2021 ROUSH Performance F-150 Service Manual
2
2021 ROUSH Performance F-150 Service Manual
Fuel in the fuel system remains under high pressure
even when the engine is not running. Before working
on or disconnecting any of the fuel lines or fuel system
components, the fuel system pressure must be relieved.
Failure to do so can result in personal injury.
Do not smoke or carry lighted tobacco or open ame
of any type when working on or near any fuel-related
components. Highly ammable mixtures are always
present and can be ignited, resulting in personal injury.
STOP
STOP
CAREFULLY READ THE IMPORTANT SAFETY
PRECAUTIONS and WARNINGS BEFORE PROCEEDING
WITH THE REPAIRS!
Appropriate disassembly, assembly methods and
procedures are essential to ensure the personal safety
of the individual performing the kit installation. Improper
installation due to the failure to correctly follow these
instructions could cause personal injury or death. Read
each step of the manual carefully before starting the
installation.
Perform this installation on a good clean level surface
for maximum safety and with the engine turned off
• Always wear safety glasses for eye protection.
• Place the ignition switch in the OFF position.
•
Always apply the parking brake when working on
the vehicle.
•
Block the front and rear tire surfaces to prevent
unexpected vehicle movement.
•
Operate the engine only in well-ventilated areas to
avoid exposure to carbon monoxide.
•
Do not smoke or use ammable items near or around
the fuel system.
•
Use chemicals and cleaners only in well-ventilated
areas.
•
Batteries can produce explosive hydrogen gas which
can cause personal injury. Do not allow ames, sparks
or ammable sources to come near the battery.
•
Keep hands and any other objects away from the
radiator fan blades.
• Keep yourself and your clothing away from moving
parts when the engine is running.
•
Do not wear loose clothing or jewelry that can be
caught in rotating or moving parts.
•
Premium fuel (91 octane or higher) is required to
prevent “spark-knock” or detonation under certain
operating conditions.
•
The use of fuel additives (i.e. octane boosters) is
not recommended. There is a possibility that these
chemicals can damage your engine and cause
drivability issues with your vehicle and void your
warranty.
•
Operating your engine without the ROUSH PCM
recalibration will result in engine damage or failure
and will void your warranty.
• 5W50 oil is required.
ALERT MESSAGES
The following alert messages appear from time to time in the appropriate places in this manual. Ensure that all
personnel in the immediate area are aware of these reminders.
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