Page 352
REPAIR INSTRUCTIONS, PART 1
EXTERNAL OIL SUPPLY ARRANGEMENT
ASET™ AC ENGINES BUILT AFTER
DECEMBER 2003
For all ASET™ AC engines produced after
December 2003, the oil supply source for the
VTG turbocharger is from the supply port on top
of the oil filter mounting bracket. The oil supply for
the EGR valve is now a separate oil supply line
from a cylinder block oil supply port as illustrated
in Figure 418. These are both direct oil lines
without the use of any junction blocks or
F-fittings. For J-Tech™-equipped engines, a
No. 10 size line is connected between the oil filter
mounting bracket and a junction block at the left
side of the cylinder heads. Oil is supplied to the
J-Tech™ engine brake assemblies (if equipped)
from this block. A No. 6 size line passes between
the cylinder heads directly to the turbocharger.
418
Figure 418 — EGR and VTG Oil Supply Lines (AC Engines Built After December 2003)
1. Ensure that the convoluted tubing is in place
over the EGR valve oil supply line.
2. Reconnect the EGR oil line to the fitting on
the cylinder block oil supply port (item No. 1,
Figure 418).
3. Reconnect the other end of the EGR oil
supply line to the EGR valve fitting and
tighten to specification.
1. EGR Valve Oil Supply Line Fitting at Cylinder Block
2. EGR Valve Oil Supply Line, No. 6 Size
3. Turbocharger Supply Line, No. 6 Size
4. Turbocharger (VTG)
5. EGR Valve
6. Oil Supply Fitting at Filter Bracket
7. Harness (Ref.)
5-111.bk Page 352 Monday, July 10, 2006 2:26 PM
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