ITB19-016

Classification:
Reference:
Date:
EM19-005
ITB19-016
July 22, 2019
2017-2018 QX80; ENGINE KNOCK OR TICK NOISE
APPLIED VEHICLE: 2017-2018 QX80 (Z62)
IF YOU CONFIRM
A knock or tick noise is coming from the engine
Or
The customer states a knock or tick noise is heard from the engine area.
ACTION
Refer to REPAIR OVERVIEW on page 3.
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 REPAIR OVERVIEW as it contains information that is essential to
successfully completing this repair.
Infiniti 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 Infiniti retailer to determine if this
applies to your vehicle.
1/9
ESSENTIAL TOOL
Tech Cam J-51951
Lens swab J-51963
(not part of J-51951)
Figure 1
Additional Tech Cam J-51951 kits and components are available from Tech•Mate: 1-800-662-2001, or
nissantechmate.com.
2/9
ITB19-016
REPAIR OVERVIEW
A knock or tick noise is
heard from the engine
area
2017 QX80
2018 QX80
Perform the
service procedure in
ITB17-052
(if not already done)
Remove the # 7
spark plug
Inspect the cylinder wall
for scuffing
Has the noise stopped?
Yes
No
Is the cylinder wall
scuffed?
(see Figures 2-4
Fi
4
No
Yes
STOP HERE
(This bulletin
does not apply)
Replace the short
engine assembly
See page 7 for
warranty information
3/9
Go to CLAIMS
INFORMATION for
cylinder inspection
Refer to ASIST/ESM
for further diagnosis
ITB19-016
SERVICE PROCEDURE
Inspect Cylinder Wall
1.
For 2018 QX80, proceed to step 2. For 2017 QX80, refer to ITB17-052 first:

If ITB17-052 has been performed, skip to step 2.

If ITB17-052 has not been performed, do so now.
 If the incident has been resolved (knock/tick noise has stopped) after performing ITB17-052,
STOP HERE. This bulletin does not apply.
 If the incident has not been resolved after performing ITB17-052, go to step 2.
2.
Remove the # 7 spark plug.
 For spark plug removal, refer to the Electronic Service Manual (ESM), section ENGINE >
ENGINE MECHANICAL > PERIODIC MAINTENANCE > SPARK PLUG > Removal and
Installation.
3.
Using Essential Tool Tech Cam J-51951, visually inspect the # 7 cylinder wall for scuffing.

If the cylinder wall has scuffing, replace the short engine assembly.
 Refer to Figures 3 and 4 on page 5 for examples of cylinder wall scuffing.
 See page 7 for warranty information.
 Refer to the appropriate section of the ESM for short engine assembly replacement.


See page 6 for additional short engine assembly replacement instructions.
If there is no scuffing on the cylinder wall, go to CLAIMS INFORMATION (for the “inspection” OP
CODE). Refer to the ESM for further diagnosis.
 Refer to Figure 2 on page 5 for an example of an “OK” cylinder wall.
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ITB19-016
Cylinder hone
cross hatch
OK
Figure 2
Piston
NG
NG
Cylinder wall
scuffing
Pistons
Figure 3
Figure 4
5/9
ITB19-016
Oil Jet Installation:

Install the “short” oil jet on Bank 2 (B2) side, and the “long” oil jet on Bank 1 (B1) side (see Figure 5 and
Figure 6).
 The vertical mark should be 90° +/- 10° to the horizontal line, while the cutouts face to the upper
inward direction.
 Using a suitable tool such as a small ball peen hammer or brass hammer, tap in the oil jet until it is
fully seated (see Figure 6).
 Sealant is not needed.
B2 side
10°
B1 side
10°
10°
Cutout
Cutout
Vertical mark on
“short” oil jet
(# 13081-AR000)
Vertical mark on
“long” oil jet:
(# 13081-AR010)
Crankshaft
snout
Horizontal
line
10°
Horizontal
line
90°
90°
Figure 5
NG
OK
Gap
Fully
seated
Oil jet
Oil jet
Figure 6
6/9
Engine
Block
ITB19-016
Warranty Related Information When Replacing Short Engine Assembly
4.
5.
Record a continuous video (15 seconds or less) of the area(s) of the cylinder wall that indicates a failed
inspection and the Vehicle Identification Number (VIN) on the F.M.V.S.S. certification label (VIN label).

Use tool Tech Cam J-51951 as needed (see page 2).

Make sure the continuous video has a clear image of the incident area(s) of the damaged cylinder
wall and the VIN on the VIN label.

The Powertrain Call Center (PCC) may require a live “Tech Cam” session.
Complete the PCC Preauthorization Form in ASIST.

See the pre-selection screen below.
Fill out these two lines,
select “Engine”,
and then select Next
Figure 7
6.
Attach the video and parts list to the Preauthorization Form.
7.
After submitting the Preauthorization Form with the attached video and parts list, call the PCC at
800-973-9992 (opt 1) for repair pre-approval to replace:

The short engine assembly (with oil and oil filter, coolant, etc).
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ITB19-016
PARTS INFORMATION
(1)
DESCRIPTION
PART NUMBER
QUANTITY
NUT
14094-9BA0A
16
BOLT
14069-JD00A
8
GASKET-MANIFOLD TO CYLINDER HEAD
14035-1LA0A
8
WASHER
13056-31U0A
8
DOWEL-BLOCK TO TRANSMISSION
30412-H1001
2
DOWEL-BLOCK TO CYLINDER HEAD
11022-10V00
4
WASHER-SEAL
21626-32U00
4
SEAL-O RING
15066-AR020
3
SEAL-O RING
15066-AR010
1
SEAL-O RING
15066-6N204
2
SEAL-O RING
21049-AE000
1
GSKT-MAN EXHAUS
14036-EZ30A
2
RING-O
15066-3TA2A
2
GASKET-EXHAUST
20692-24U0A
2
GASKET-ROCKER COVER
13271-1LA0A
2
ENGINE-SHORT (1)
10103-EZ30A
1
GASKET-WATER INLET
13050-7S010
1
GASKET-WATER PUMP
21014-7S000
1
SEAL O-RING
21049-ZL80A
1
OIL FILTER
15208-9E01A
1
GASKET-WATER INLET
13050-1CA1A
1
GASKET-WATER INLET
13050-1CA1B
1
WASHER DRAIN
11026-JA00A
1
SEAL O RING (6.84 MM)
15066-ZL80A
1
SEAL-O RING
15066-7S010
1
PILOT-CONVERTER
12330-16A0A
1
GASKET-CYLINDER HEAD
11044-EZ31A
1
JET-OIL (“short” oil jet)
13081-AR000
1
JET-OIL (“long” oil jet)
13081-AR010
1
GASKET-ADAPTER
16175-1LA0A
1
GASKET-CYLINDER HEAD
11044-EZ31B
1
SEAL-OIL LEVEL GAUGE GUIDE
15066-7S020
1
GASKET-CONNECTOR
21331-7S000
1
A short engine assembly includes the crankshaft, pistons, connecting rods, etc. It does NOT include
cylinder head assemblies.
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ITB19-016
PARTS INFORMATION (continued)
(2)
(3)
DESCRIPTION
PART NUMBER
QUANTITY
LIFTER-VALVE
13231-1MC5E
1
SEAL-OIL CRANKSHAFT FRONT
13510-1LA0A
1
SEAL-O RING
16618-1LA0D
1
SEAL-O RING
15066-1LA0A
1
GASKET-ROCKER COVER
13270-1LA1A
1
TUBE ASSY-FUEL
17520-EZ30A
1
GASKET
46237-1LA0A
1
GASKET-ROCKER COVER
13270-1LA0A
1
TUBE ASSY FUEL
17520-1LA0B
1
DOWEL-PULLEY
11022-AD200
1
NISSAN ENGINE OIL-GENUINE 0W-20 SYNTHETIC
999PK-00W20N
(2) (3)
NISSAN BLUE LONG LIFE ANTIFREEZE/COOLANT
999MP-L25500P
(2) (3)
Refer to the appropriate ESM for dry engine oil and coolant capacity.
Order Nissan Engine Oil and Blue Long Life Coolant through the Infiniti Maintenance Advantage
program: Phone: 877-INF-IMA1 (877-463-4621). Website order via link on dealer portal www.NNAnet.com
and click on the “Maintenance Advantage” link.
CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
DESCRIPTION
Inspect # 7 Cylinder W/Borescope
Replace Short Block
(1)
(2)
PFP
(1)
OP CODE
AX46AA
AA30AA
SYM
DIA
ZL
32
FRT
0.4
(2)
Reference the electronic parts catalog and use the Short Engine Assy (10103-*****) as the Primary
Failed Part (PFP).
Reference the current Infiniti Warranty Flat Rate Manual and use the indicated Flat Rate Time (FRT).
AMENDMENT HISTORY
PUBLISHED DATE
July 22, 2019
REFERENCE
ITB19-016
DESCRIPTION
Original bulletin published
9/9
ITB19-016