TECHNICAL SERVICE BULLETIN
6.7L Diesel - Block Heater Inoperative And/Or Tripping Electrical
Breaker/GFCI Outlet - Built On Or Before 24-Oct-2017

18-2116
17 April 2018

Model:
Ford
2017 F-Super Duty
Issue: Some 2017 F-Super Duty vehicles equipped with a 6.7L diesel engine built on or before 24-Oct-2017 may
exhibit an inoperative block heater. This can also result in tripping an electrical breaker or a ground fault circuit
interrupter (GFCI) outlet. This may be due to water intrusion into the block heater power cord inline connector.
Action: Follow the Service Procedure steps to correct the condition.
Parts
Part Number

Description

HC3Z-6B018-A Block Heater Power Cable
XG-12

Motorcraft® Electrical Grease

Quantity
1
1

Warranty Status: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage Warranty/ESP coverage
limits/policies/prior approvals are not altered by a TSB. Warranty/ESP coverage limits are determined by the
identified causal part and verified using the OASIS part coverage tool.
Labor Times
Operation
Time
No.

Description
2017 F-Super Duty 6.7L: Inspect And Replace The Block Heater Power Cable Includes Time To
Grease Connector If Necessary (Do Not Use With Any Other Labor Operations)
Repair/Claim Coding
Causal Part:

6B018

Condition Code: 42
Tool List
Drive

Tool Name

1/4"

Ratchet

1/4"

Power Tool

1/4"

5.5 mm Socket

1/4"

7 mm Socket

1/4"

3" Extension

3/8"

Power Tool

3/8"

Ratchet

3/8"

Torque Wrench

3/8"

Torx® T30

1/2"

Power Tool

1/2"

21 mm Socket

1/2"

Torque Socket AccuTorq

182116A

0.7
Hrs.

Drive

Tool Name
Trim Tool

Service Procedure
1. Inspect the block heater power cable inline connector for signs of water intrusion. The connector is located directly
behind the right side bumper and can be accessed from under the vehicle. (Figure 1)
Figure 1

2. Is there evidence of water inside the connector?
(1). Yes - proceed to Step 3.
(2). No - this article does not apply. Refer to Workshop Manual (WSM), Section 303-03C for normal diagnostics.
3. Remove the right front fender splash shield. Refer to WSM, Section 501-02.
4. Replace the block heater power cable. Inspect the new block heater power cable for electrical grease within the
inline connector. Is there electrical grease present? (Figures 2 - 3)
(1). Yes - proceed to Step 6.
(2). No - proceed to Step 5.
Figure 2

Figure 3

5. Fill the inline connector of the new power cable with Motorcraft® Electrical Grease or equivalent.
6. Install the new block heater power cable; following the routing of the old power cable.
7. To install the right front fender splash shield, reverse the removal procedure.

© 2018 Ford Motor Company
All rights reserved.
NOTE: The information in Technical Service Bulletins is intended for use by trained, professional technicians with the knowledge, tools, and
equipment to do the job properly and safely. It informs these technicians of conditions that may occur on some vehicles, or provides information
that could assist in proper vehicle service. The procedures should not be performed by "do-it-yourselfers". Do not assume that a condition
described affects your car or truck. Contact a Ford or Lincoln dealership to determine whether the Bulletin applies to your vehicle. Warranty Policy
and Extended Service Plan documentation determine Warranty and/or Extended Service Plan coverage unless stated otherwise in the TSB article.
The information in this Technical Service Bulletin (TSB) was current at the time of printing. Ford Motor Company reserves the right to supersede
this information with updates. The most recent information is available through Ford Motor Company's on-line technical resources.