SECTION 01: ENGINE
PA1553
21
6. Lightly coat the filter gasket (seal) with clean
engine oil.
7. Install the new filter on the adapter and
tighten manually until the gasket touches the
mounting adapter head. Tighten full-flow
filters an additional two-thirds of a turn
manually. Then, manually tighten bypass
filter one full turn.
CAUTION
Overtightening may distort or crack the filter
adapter.
8. Remove the engine-oil filler cap and pour oil
in the engine until it reaches the "FULL" mark
on the dipstick (Fig. 12).
9. Start and run the engine for a short period
and check for leaks. After any leaks have
been corrected, stop the engine long enough
for oil from various parts of the engine to
drain back to the crankcase (approximately
20 minutes).
10. Add oil as required to bring the level within
the safe range on the dipstick (Fig. 12).
7. RECOMMENDED ENGINE OIL TYPE
To provide maximum engine life, lubricants shall
meet the following specifications: SAE Viscosity
Grade: 15W-40 API Classification: CI-4.
NOTE
Monograde oils should not be used in these
engines regardless of API Service
Classification.
NOTE
The use of supplemental oil additives is
discouraged from use in Detroit Diesel
Engines.
Synthetic oils: Synthetic oils may be used in
Detroit Diesel engines provided they are API-
licensed and meet the performance and
chemical requirements of non-synthetic oils
outlined previously. Synthetic oils do not permit
extension of recommended oil drain intervals.
Lubricant Selection World Wide: Oils
meeting API CD or CC specifications may be
used if they also meet military specification MIL-
L-2104 D or E. Oils which meet European
CCMC D4 specifications may also be used.
Modification of drain interval may be necessary,
depending on fuel quality. Contact Detroit Diesel
Corporation for further guidance.
8. POWER PLANT ASSEMBLY REMOVAL
To access the engine or engine-related
components, the vehicle power plant assembly
must be removed as a whole unit by means of a
slide-out cradle. The power plant assembly
includes the engine, transmission (including
retarder if so equipped), air compressor,
alternator and transmission oil cooler.
Remove the power plant assembly as follows:
CAUTION
Tag hoses and cables for identification before
disconnecting in order to facilitate
reinstallation. Plug all openings to prevent dirt
from entering the system.
NOTE
No parts within the ECM are serviceable. If
found defective, replace the complete ECM
unit.
1. Disconnect the battery or batteries from the
starting system by removing one or both of
the battery cables from each battery system.
With the electrical circuit disrupted,
accidental contact with the starter button will
not produce an engine start. In addition, the
Electronic Unit Injectors (EUI) will be
disabled, preventing any fuel delivery to the
injector tips.
WARNING
Due to the heavy load of the rear bumper
assembly, it must be adequately supported
before attempting to remove it.
2. Remove the rear bumper assembly from the
vehicle. Refer to Section 18, BODY, under
"REAR BUMPER REMOVAL ".
3. Drain the engine cooling system. Refer to
Section 05, COOLING under "DRAINING
COOLING SYSTEM".
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