5NP-W7U4F-05

GROUP
NUMBER
CAMPAIGN
Technical Service Bulletin
DATE
18-01-017
MODEL
APRIL, 2018
ACCENT (HC)
HC ACCENT SPARK PLUG REPLACEMENT
(SERVICE CAMPAIGN T2X)
SUBJECT:
*** Dealer Stock and Retail Vehicles ***
Dealers must perform this Service Campaign on all affected vehicles prior to customer retail delivery
and whenever an affected vehicle is in the shop for any maintenance or repair.
When a vehicle arrives at the Service Department, access Hyundai Motor America's "Warranty
Vehicle Information" screen via WEBDCS to identify open Campaigns.
Description: This bulletin provides the procedure to inspect the current spark plugs, replace all 4
spark plugs, check new spark plug gap, and clear Diagnostic Trouble Codes (DTC).
This bulletin addresses the following conditions:

DTC P0300 / P0301 / P0302 / P0303 / P0304 Random/Multiple Misfire.

Engine runs rough.
APPLICABLE VEHICLES: Certain 2018 Accent (HC) with 1.6L Gasoline (Gamma) GDI engine
Parts Information:
MODEL
PART NUMBER
DESCRIPTION
Accent (HC)
18846-10061QQH
Spark Plug
PHOTO
QUANTITY
4 / Vehicle
Warranty Information:
MODEL
OP CODE
OPERATION
OP
TIME
CAUSAL
P/N
NATURE
CODE
CAUSE
CODE
Accent(HC)
180M06R0
Spark Plug Replacement
and GDS Scan
0.7
1884610061QQH
I3A
ZZ3
NOTE 1: Submit claim on Campaign Claim Entry Screen.
NOTE 2: If a part is found in need of replacement while performing this Service Campaign and the affected
part is still under warranty, submit a separate claim using the same Repair Order Number and the same Causal
Part Number as the Campaign Claim. If the affected part is out of warranty, submit a Prior Approval Request
for goodwill consideration prior to performing the work.
Circulate To: Service Manager, Warranty Manager, Service Advisors, Technicians, Fleet Repair
SUBJECT:
HC ACCENT SPARK PLUG REPLACEMENT (SERVICE CAMPAIGN T2X)
Tools Required
Torque wrench
Ratchet 3/8”
Extension – 3/8”
Socket 10mm-3/8”
Spark Plug Socket 16mm-3/8”
NOTICE
Use a quality spark plug socket
with rubber interior lining to hold
the plug securely and prevent
plug ceramic damage.
Spark Plug Gap Gauge
Service Procedure:
!
CAUTION
Perform this repair with ignition OFF.
1.
Open the hood and remove the engine cover.
TSB #: 18-01-017
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SUBJECT:
HC ACCENT SPARK PLUG REPLACEMENT (SERVICE CAMPAIGN T2X)
2.
Disconnect all 4 ignition coil connectors.
3.
Remove the bolt from each of the 4 ignition
coils using a 10mm socket with a 3/8” ratchet
and extension.
Tightening torque:
9.8 - 11.8 N.m
(1.0 - 1.2 kgf.m, 7.2 - 8.7 Ib-ft)
4.
Remove all ignition coils.
TSB #: 18-01-017
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SUBJECT:
5.
HC ACCENT SPARK PLUG REPLACEMENT (SERVICE CAMPAIGN T2X)
Remove each of the 4 spark plugs using a
16mm spark plug socket on a 3/8” ratchet and
extension.
Perform the below spark plug inspection of
each plug as it is removed and identify any
cylinders that have damaged plugs.
Spark Plug Inspection:
Inspect each spark plug’s ceramic condition as they are removed from the engine to determine
the appropriate repair action based on their condition:
Plug Ceramic Condition
All Plugs are Good
(no damage)
Cracked only.
(no fragmented material is
missing)
Damaged with fragment(s)
detached from the plug.
Example
Repair Action
Continue with this TSB
procedure to replace plugs
and clear DTC.
Continue inspecting other
plugs and if none are
damaged with detached
fragment(s) like the example
below, then continue the TSB
procedure to replace plugs
and clear DTC.
DO NOT START ENGINE.
Contact Techline for further
repair advice. Identify
affected cylinder(s) and take
photo of the damaged plug
condition to provide Techline
to view severity of the plug
condition and repair.
Note: Fragment(s) may have
fallen into the engine port(s) and
may require special procedure
to prevent engine damage.
TSB #: 18-01-017
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HC ACCENT SPARK PLUG REPLACEMENT (SERVICE CAMPAIGN T2X)
SUBJECT:
6.
Discard all 4 plugs removed from the engine.
Inspect the condition of the new replacement
plugs to make sure they are not damaged.
Inspect the electrode gap of all 4 new spark
plugs using a gap gauge. Adjust as required
to meet specifications.
NOTICE
Electrode Gap spec:
0.9 - 1.0 mm
(0.0354 – 0.0394 in)
7.
Install new spark plugs using a 16mm spark
plug socket with a 3/8” ratchet and extension.
NOTICE
Be sure to use a quality 16mm spark
plug socket with rubber interior lining to
hold the plug and prevent damage to
the plug’s ceramic during installation.
8
Tighten all 4 spark plugs with a torque wrench
to specifications.
Tightening torque:
14.7 ~ 24.5 N.m
(1.5 ~ 2.5 kgf.m, 10.9 ~ 18.0 Ib-ft)
TSB #: 18-01-017
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SUBJECT:
9.
HC ACCENT SPARK PLUG REPLACEMENT (SERVICE CAMPAIGN T2X)
Reinstall the ignition coils, ignition coil
connectors, and engine cover in reverse order
of removal.
10. Attach a GDS to perform Fault Code
Searching of the Engine System to check for
any DTC P0300-P0304 and select Erase All
DTC if any are found.
11. Procedure is complete.
TSB #: 18-01-017
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