Engine Oil; Oil Quality; Oil Change Intervals; Oil Filters - PREVOST H3-41 Maintenance Manual

2.5 ENGINE OIL

Keep the engine oil at the proper level and
change it at the recommended intervals. Always
replace the oil filters at the same time as when
the oil is changed.

2.5.1 Oil Quality

Volvo North America recognizes engine oils that
meet or exceed the standards given by
American Petroleum Institute (API) for the oil
classifications listed in this manual. Only oils
licensed to carry the API symbol should be used.
Lubricants meeting API standards have provided
maximum engine life when used together with
the recommended oil and oil filter change
intervals.
VDS-4 or VDS-4.5 diesel engine oil is mandatory
for use in all 2010 and later emission compliant
Volvo engines. These engines, which can be
identified by the presence of a DEF tank and an
exhaust aftertreatment system using Selective
Catalytic Reduction (SCR), also require the use
of Ultra Low Sulfur Diesel (ULSD) fuel. VDS-4.5
oils exceed the new API service category CK-4.
For additional details refer to Section 24
Lubrication & Servicing.
CAUTION
DO NOT add extra oil additives. Additives such
as break-in oils, top oils, graphitizers, and
friction-reducing liquids are not necessary and
can harm the engine.

2.5.2 Oil Change Intervals

The length of time an engine can operate before
an oil change depends on the oil quality used,
the type of fuel used, engine oil consumption,
vehicle application, level of dust in the air and
fuel consumption. The change intervals given in
the Lubrication and Servicing Schedule are
maximal intervals. If the vehicle is operating in
heavy-duty operation,
conditions, etc., reduce the intervals for more
frequent oil changes.
dusty or off-road
PA1621 Maintenance Manual All Series | Section 01 revised Feb 2019
MAINTENANCE
Engine oil and filters change
Change engine oil and filters at the intervals
specified by the Lubrication And Servicing
Schedule in Section 24: LUBRICATION &
SERVICING.
NOTE
Use the information in the table below to
determine the operating condition and usage
applicable to your vehicle.
engine normal
operating
condition
Total Fuel More
Consumption than 6
(mpg)
Total Fuel Less
Consumption than 39
(L/100 KM)
NOTE: If idle time is greater than 25%, use the
next lower drain interval (refer to Section 24
Lubrication and Servicing).
NOTE
Oil filters should always be changed when
changing the oil.

2.5.3 Oil Filters

There are three filters on the engine, one of
which is a bypass filter. This should be changed
at the same time as the full-flow filter(s).
CAUTION
Volvo branded oil filters are designed to provide
the proper level of filtration and protection for Volvo
engines. Filters that do not meet the same
stringent requirements may void engine warranty.
SECTION 01 : ENGINE
heavy severe
Between Less
5 and 6 than 5
Between More
39 and than 60
50
15