NTB16056

Classification:
Reference:
HA16-002
Date:
NTB16-056
June 27, 2016
2016 TITAN XD; EXHAUST SMELL INSIDE VEHICLE
WHEN HVAC IS ON FRESH AIR
2016 Titan XD (A61)
APPLIED VEHICLES:
APPLIED VIN AND DATE: Built before 1N6BA1F2(*)GN 502518 / January 9, 2016
Cummins Diesel
APPLIED ENGINE:
IF YOU CONFIRM
A diesel exhaust smell is present inside the vehicle:

While the vehicle is stopped.
And

The HVAC system is ON with mode set to fresh air.
ACTION
1. Remove the cowl cover assembly.
2. Install self-adhesive foam block.
3. Install the new cowl cover extension to the new cowl cover assembly.
4. Install cowl cover assembly to the vehicle.
5. Install baffle.
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
Removal Instructions
Wiper arm
cap
Wiper arm
1. Remove both wiper arm caps.
Figure 1
Wiper arm
nut
2. Remove both wiper arm nuts.
Figure 2
3. Remove both wiper arms.
Front of vehicle
Wiper arms
Figure 3
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4. Remove both left and right cowl cover
assembly side finishers.
NOTE: Passenger side shown. Driver’s
side is similar
Side finisher
Figure 4
Plastic fitting
5. Disconnect the washer tank hose at
plastic fitting.
Washer tank hose
Washer tank
Figure 5
6. Remove the nine (9) push pins that hold the front edge of the cowl cover assembly
(Figure 6).
Cowl cover assembly
Push pins
Figure 6
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7. Remove the cowl cover assembly as
follows:
a. Lift the cowl cover assembly at the
end.
NOTE: This can be lifted at either the
passenger side or driver’s side.
b. Starting at lifted end, slide hand
between the windshield and cowl
cover assembly.
Cowl cover assembly
c. Detach the seven (7) clips that attach
the cowl cover assembly to the
vehicle.
Figure 7
NOTE: Cowl cover assembly will be
replaced.
8. Remove the hood seal from cowl cover assembly (Figure 8).

Detach Ten (10) clips.
IMPORTANT: The seal has a leading and trailing (front and back) edge. Note the seal
orientation (Figure 8) before removal.
Hood seal
Cowl assembly shown inverted
Leading
edge
Trailing
edge
Seal clip
Seal clip
Hood seal
Figure 8
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Installation Instructions
1. Add foam block (Part #: 27288-EZ00A,
size: 20x20x50 mm) to the vehicle as
follows:
a. Clean the area directly below the
passenger side corner of the
windshield with 50% isopropyl alcohol
(Figure 9).
Clean here
Figure 9
b. Find the centerline of the farthest left
“cowl cover assembly grommet”
(grommet) shown in Figure 10.
Grommet
centerline
Foam edge against
windshield
8.5 mm
Grommet
NOTE: The centerline will be parallel
to the edge of the windshield.
c. Measure 8.5 mm from the grommet
centerline to the left (Figure 10).
d. Remove foam block adhesive backing
strip.
e. Align foam block against the lower
edge of the windshield and left hand
edge within the 8.5 mm area
(Figure 10).
Figure 10
f. Press foam block firmly into place.
Front of vehicle
2. Attach the hood seal from old cowl
assembly to the new cowl assembly.
IMPORTANT: The seal has a leading
and trailing (front and back) edge. Note
the seal orientation (Figure 11) before
installing.
Figure 11
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3. Assemble the new cowl cover extension (part #: 66812-EZ01B) to the new cowl cover
assembly (part #: 66810-EZ10B) from Part Information by inserting the molded tabs into
the side of the cowl cover assembly (Figure 12).
NOTE: Tabs can be pulled through to seat them with an appropriate tool.
Cowl cover
assembly
Molded tabs
Baffle/extension
Figure 12
4. Clean the wiper arm mount (Figure 13).

This will reduce the possibility of wiper
looseness.
Wiper arm
mount
Figure 13
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5. Install the new cowl cover assembly to the vehicle as follows:
a. Align the center guide of the cowl cover assembly to the center slot of the cowl
(Figure 14).
b. Snap the seven (7) clips that attach the cowl cover assembly to the vehicle at the
base of the windshield, starting from the center guide and working toward the left
and right.
Center slot
Center guide
Figure 14
c. Confirm that the seal fits correctly to the windshield.

No gaps between seal and glass are allowed.
d. Install the nine (9) push pins (Figure 15).
e. Connect washer tank tube to the plastic fitting.
Cowl cover assembly
Push pins
Figure 15
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6. Assemble the baffle (Part #: 66316 EZ00A) to the new cowl extension.

Insert clip A and clip B on baffle into the two holes present in the new cowl extension
(Figure 16).
NOTE: Clips A, B, and C are pre-assembled to baffle.
Baffle
Baffle
Clip A
Clip C
Clip A
Clip C
Clip B
Clip B
Cowl
extension
Figure 16
Baffle
7. Insert rearward baffle clip C to the cowl
cover.
Clip C
Figure 17
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Clip B
NTB16-056
8. Install left and right side finishers for the
cowl cover assembly.
Side finisher
9. Re-install the wiper arms.

Figure 18
Torque nuts to: 23.6 N•m (2.406 kgm, 17 ft-lb.)
10. Re-install wiper arm caps.
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PARTS INFORMATION
DESCRIPTION
GRILLE ASSY-COWL TOP
(Cowl Cover Assembly)
GRILLE-COWL TOP
(Cowl Cover Extension)
EXTENSION-COWL TOP SIDE RH
(Baffle)
Foam Block
PART #
QUANTITY
66810-EZ10B
1
66812-EZ01B
1
66316-EZ00A
1
27288-EZ00A
1
CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
DESCRIPTION
PFP
OP CODE
SYM
DIA
FRT
Install Cowl Assembly
66810-EZ10B
UE24AA
ZE
32
(1)
(1) Reference the current Nissan Warranty Flat Rate Manual and use the indicated FRT.
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