NTB20-071

Classification:
Reference:
EC20-015
Date:
NTB20-071
October 9, 2020
2016-2019 TITAN XD DIESEL;
MIL ON WITH DTC P226C STORED
APPLIED VEHICLES:
APPLIED ENGINE:
2016-2019 Titan XD (A61)
Cummins 5.0 V8 Diesel
IF YOU CONFIRM
The MIL is ON and
DTC P226C (TC BOOST CONTROL SLOW RESPONSE) IS stored,
And
DTC P00AF (BOOST PRESSURE CONTROL) is NOT stored in the ECM,
And
Binding and/or resistance is observed when the rotary turbine control valve is moved from
one stop to the other (full span), by hand.
NOTE: Disconnect the linkage at the actuator to move the rotary control valve.
ACTION
Replace the low pressure turbocharger.
IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you
will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it
contains information that is essential to successfully completing this repair.
Nissan Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are
properly trained individuals who have the equipment, tools, safety instruction, and know-how to do a job
properly and safely. NOTE: If you believe that a described condition may apply to a particular vehicle, DO
NOT assume that it does. See your Nissan dealer to determine if this applies to your vehicle.
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SERVICE PROCEDURE
NOTE: To replace the low pressure turbocharger, it is necessary to first remove the
complete turbocharger assembly that includes both turbochargers.
IMPORTANT: The Electronic Service Manual (ESM) indicates that the following bolts are
single use parts. These bolts WILL be reused in this procedure. The ESM will be updated
to indicate that these are reusable parts.


1.
BOLT, INTAKE MANIFOLD
BOLT, TURBO OUTLET
Remove the turbocharger assembly.

2.
11035-EZ41D
11035-EZ40A
Refer to the ESM: ENGINE > ENGINE MECHANICAL > CUMMINS 5.0L >
REMOVAL AND INSTALLATION > TURBOCHARGER.
Mount the turbocharger assembly in a
vise with soft jaws.
Soft jaws
Figure 1
3.
Remove the two (2) bolts at the oil
feed line banjo fittings.
Oil feed
line bolts
Figure 2
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NTB20-071
4.
Remove the bolt securing the oil
feedline to the side of the low pressure
turbocharger and set the oil feed line
aside.
5.
Remove the oil feed line banjo fitting
copper gaskets.

Oil feed
line bolt
These gaskets will not be reused.
Low
pressure
turbocharger
Figure 3
6.
Cover both turbocharger oil holes with
tape.
Turbocharger
oil holes
Figure 4
7.
Remove the three (3) low pressure
turbocharger boost pressure sensor
tube bolts, remove the tube and set it
aside.
Remove these 3 bolts
Figure 5
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NTB20-071
8.
Remove the three (3) T45 TORX®
support bracket bolts and set the
support bracket aside.
Support
bracket
Figure 6
9.
Remove the three (3) high pressure
turbocharger flange bolts and remove
the high pressure turbocharger
assembly.
Remove
these 3
bolts
10.
Cover all openings on the high
pressure turbocharger and set it aside.
Figure 7
11.
Discard
this
gasket
Replace the low pressure
turbocharger assembly.

Discard the turbocharger flange
gasket.
Low pressure
turbocharger
assembly
Figure 8
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NTB20-071
HINT: The rotary turbine control valve linkage is not reusable once it is removed from the
rotary turbine control valve shaft. A new linkage must be used on the new low pressure
turbocharger.
12.
For reassembly, refer to the ESM: ENGINE > ENGINE MECHANICAL > CUMMINS
5.0L > REMOVAL AND INSTALLATION > TURBOCHARGER.

During reassembly, install the new rotary turbine control valve linkage included in
the parts kit.
PARTS INFORMATION
(1)
(2)
DESCRIPTION
PARTS KIT-ENG
(low pressure turbocharger parts kit)
P80® Emulsion (1) (2)
BLUE LONG LIFE ANTIFREEZE (1)
PART NUMBER
QUANTITY
10007-EZ41A
1
999MP-P80EMUP
1 tube
999MP-L25500P
As needed
P-80® Emulsion and Blue Long Life Antifreeze are available through the Nissan
Maintenance Advantage program: Phone: 877-NIS-NMA1 (877-647-6621). Website
order via link on dealer portal www.NNAnet.com and click on the “Maintenance
Advantage” link.
HINT: P-80® Emulsion is also available through local sources.
For warranty repairs, P-80® Emulsion must be used on all “air handling system” O-ring
seals. For customer pay repairs, P-80® Emulsion is recommended, but an equivalent
water based assembly lubricant may be used.
To prevent damage to the “air handling system” O-ring seals, do not use
petroleum based lubricants.
Figure 9
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NTB20-071
CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
DESCRIPTION
Replace Low Pressure
Turbocharger
(1)
PFP
OP CODE
SYM
DIA
FRT
(1)
DX58AA
HD
32
4.4
Reference the electronic parts catalog and use the Turbocharger Assy (144D1-*****)
as the Primary Failed Part (PFP).
AMENDMENT HISTORY
PUBLISHED DATE
REFERENCE
October 9, 2020
NTB20-071
DESCRIPTION
Original bulletin published
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NTB20-071