User Manual - Page 239

For RAM 2022 PROMASTER CITY.

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TECHNICAL SPECIFICATIONS 237
Inspect the wheel mounting surface prior to
mounting the tire and remove any corrosion or
loose particles.
Wheel Mounting Surface
Tighten the lug nuts/bolts in a star pattern until
each nut/bolt has been tightened twice. Ensure
that the socket is fully engaged on the lug nut/bolt
(do not insert it halfway).
Torque Patterns
After 25 miles (40 km), check the lug nut/bolt
torque to be sure that all the lug nuts/bolts are
properly seated against the wheel.
FUEL REQUIREMENTS
While operating on gasoline with the
recommended octane, hearing a light knocking
sound from the engine is not a cause for concern.
However, if the engine is heard making a heavy
knocking sound, see an authorized dealer
immediately. Use of gasoline with an octane
number lower than 87 can cause engine failure
and may void the New Vehicle Limited Warranty.
Poor quality gasoline can cause problems such as
hard starting, stalling, and hesitations. If you
experience these symptoms, try another brand of
gasoline before considering service for the vehicle.
2.4L ENGINE
This engine is designed to meet all
emissions regulations and provide
excellent fuel economy and
performance when using high quality
unleaded regular gasoline having a octane rating
of 87 using the (R+M)/2 method. The use of
premium gasoline is not recommended, as it will
not provide any benefit over regular gasoline in
these engines.
WARNING!
To avoid the risk of forcing the vehicle off the
jack, do not tighten the lug nuts/bolts fully until
the vehicle has been lowered. Failure to follow
this warning may result in personal injury.
9
22_VM_OM_EN_USC_t.book Page 237
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