Chevrolet Low Cab Forward 5.2L Diesel Engine 4500/5500 Series (GMNA-
Localizing-U.S.-12407814) - 2019 - crc - 12/13/17
Driving and Operating 165
If There is a Fuel Leak
{
Danger
Leaking fuel from the vehicle is
dangerous due to possible
combustion or explosion. Stop the
engine immediately.
You and others could be seriously
injured or killed.
Starting and
Operating
New Vehicle Break-In
Good vehicle care begins with
proper break-in. While every new
vehicle goes through rigid factory
and dealer inspection and tests
before delivery, the care you give
your vehicle during the initial
break-in period can pay off in longer
life, better performance and more
economical operation.
It is therefore always recommended
that during the initial 1 000 km
(600 mile) break-in period, the
following few simple precautions are
carefully observed.
Follow the recommendations listed
below:
.
Warm up the engine by driving
easily for the first few minutes
before placing it under load.
.
Do not drive for extended
periods at any one constant
speed, either fast or slow, during
the first 800 km (500 miles).
.
Use the correct gear to maintain
the desired road speed without
lugging the engine.
.
Avoid racing the engine,
full-throttle starts and aggressive
application of brakes when
stopping.
.
Keep tires properly inflated for
the load carried.
.
Check lubricant levels in the
engine and transmission weekly.
.
Keep speeds below 80 km/h
(50 MPH) for the first 800 km
(500 miles).
.
Use the lowest gear ratio
available when starting a loaded
vehicle and when climbing
slopes to avoid lugging the
engine.
.
It is recommended that the
engine speed is restricted to
2,300 r/min.
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