Fuel System - Thump/Rattle From Fuel Filler Neck Area
TSB 13-2-1102/14/13
THUMP/RATTLE NOISE FROM FUEL FILLER NECK AREA-BUILT ON OR BEFORE 9/1212012
FORD:
2011-2013 Fiesta
The article supersedes TSB 10-25-9 to update the model years, the production fix date, Service Procedure and Part List.
ISSUE
Some 2011-2013 Fiesta vehicles built on or before 9/12/2012 may exhibit a thump/rattle noise coming from the fuel filler neck area. Customer may indicate the noise is most noticeable in warm ambient temperatures, may be intermittent, and may occur mostly at idle.
ACTION
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
The Natural Vacuum Leak Detection (NVLD) module may make thump/rattle noise during the normal purge of the evaporative emission (EVAP) canister. The noise only occurs when vapor purge is active and stops when the EVAP canister purge valve is closed.
1. Does the concern match customer complaint?
a. Yes - Replace the NVLD module assembly. Refer to WSM, Section 303-13.
b. No - Discontinue with this article and proceed with normal diagnostics. Refer to WSM, Section 100-04 for Noise, Vibration, and Harshness.
Parts Block
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage And Emissions 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.
OPERATION DESCRIPTION TIME
130211A 2011-2013 Fiesta: Replace 0.4 Hr.
The NVLD Module
Assembly (Do Not Use
With Any Other Labor
Operations)
DEALER CODING
CONDITION
BASIC PART NO. CODE
9J279 07
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