| TECHNICAL SERVICE BULLETIN Crunching And/Or Creaking Type Noise From The Rear Bumper Area – Built On Or Before 3-Feb-2018 | 18-2067 22 February 2018 |
Model:
Issue: Some 2018 Expedition/Navigator vehicles built on or before 3-Feb-2018 may exhibit a crunching and/or creaking type noise from the rear bumper area during low speed stopping and starting. The noise could be worse when wet or below 0°C (32°F).
Action: Follow the Service Procedure steps to correct the condition.
Parts
| Description | Quantity | Part Number |
| Rear Bumper Isolator | 1 | JL1Z-17E855-C |
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
| Description | Operation No. | Time |
| 2018 Expedition/Navigator: Replace The Rear Bumper Isolator Includes Time To Road Test To Verify Concern (Do Not Use With Any Other Labor Operations) | 182067A | 1.0 Hrs. |
Repair/Claim Coding
| Causal Part: | 17E855 |
| Condition Code: | 42 |
| 1/4″ | Power Tool |
| 1/4″ | Ratchet |
| 1/4″ | Torque Wrench |
| 1/4″ | 6″ Extension |
| 1/4″ | 8 mm Shallow Socket |
Service Procedure
1. Was the vehicle built on or before 3-Feb-2018 and does it exhibit a crunching and/or creaking type of noise from the rear bumper area?
(1). Yes – proceed to Step 2.
(2). No – this article does not apply. Refer to the Workshop Manual (WSM), Section 100-04 for normal diagnostics.
2. Replace the rear bumper isolator. Refer to WSM, Section 501-19.
18-2067
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