Liftgate Window Glass Opens And/Or Power Liftgate Opens/Closes Uncommanded While In Park – 2018 Lincoln Navigator

TECHNICAL SERVICE BULLETIN
Liftgate Window Glass Opens And/Or Power Liftgate Opens/Closes Uncommanded While In Park – Built On Or Before 29-Jan-2018
18-2089
20 March 2018

 

Model:

Lincoln

2018 Navigator

 

Issue: Some 2018 Navigator vehicles built on or before 29-Jan-2018 may exhibit a liftgate window glass that opens uncommanded and/or a power liftgate that opens or closes uncommanded while in park.

 

Action: Follow the Service Procedure steps to correct the condition.

 

Parts

DescriptionQuantityPart Number
Release Switch Assembly2GD9Z-9C888-A
Wire Harness Assembly1JL7Z-13A409-K

 

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

DescriptionOperation No.Time
2018 Navigator Without 360 Degree Camera: Replace The Liftgate Switch, Window Glass Switch, Includes Time To Replace The Wire Harness (Do Not Use With Any Other Labor Operations)182089A0.8 Hrs.
2018 Navigator With 360 Degree Camera: Replace The Liftgate Switch, Window Glass Switch, Includes Time To Replace The Wire Harness And Perform The 360 Degree View Camera Alignment (Do Not Use With Any Other Labor Operations)182089B1.2 Hrs.

 

Repair/Claim Coding

Causal Part:9C888
Condition Code:42

 

1/4″Power Tool
1/4″Ratchet
1/4″3″ Extension
1/4″10 mm Socket
1/4″8 mm Socket
1/4″7 mm Socket
1/4″Torx T20 Socket
Small Plastic Trim Tool
Pocket Screwdriver
Small Pick

 

Service Procedure

1. Is the vehicle built on or before 29-Jan-2018 and does it exhibit a liftgate window glass that opens uncommanded and/or a power liftgate that opens or closes uncommanded while in park?

(1). Yes – proceed to Step 2.

(2). No – this article does not apply. Refer to the Workshop Manual (WSM), Section 501-03 for normal diagnostics.

2. Remove the reversing lamp assembly. Refer to WSM, Section 417-01.

3. Remove the five upper screws from the liftgate moulding bracket. (Figure 1)

Figure 1

upper screws


 

4. Detach the clips on the liftgate molding and disconnect the lower close-out from the reversing lamp. (Figures 2 – 3)

Figure 2

Detach the clips

 

Figure 3

Detach the clips


 

5. Disconnect the liftgate release switch electrical connector, liftgate window glass release electrical switch connector, both license plate lamp electrical connectors, rear camera coaxial cable connector, and trailer backup lamp electrical connector if equipped.

6. Remove the wire harness from the liftgate molding bracket.

7. Remove the liftgate release switch by squeezing the retaining clips and pushing from the inside of the liftgate molding outward. (Figure 4)

Figure 4

liftgate release switch


 

8. Install new liftgate release switch.

9. Remove the liftgate window glass switch by squeezing the retaining clips and pushing from the inside of the liftgate molding outward. (Figure 4)

10. Install new liftgate window glass switch.

11. Install a new wiring harness and attach it to the liftgate molding bracket and make all appropriate connections.

12. Reattach liftgate molding bracket to reversing lamp.

13. Reinstall reversing lamp assembly. Refer to WSM, Section 417-01.

14. If equipped, perform the 360 Degree View Camera Alignment. Refer to WSM 413-13B.


18-2089

 


 

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