ESB E053; PACCAR MX Fuel Line Damper

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SB-10044799-1562

Technical Information Bulletin
E053

Section
Fuel

Subject
PACCAR MX Fuel Line Damper Campaign

Release Date
6/21/2012

Condition
The high pressure fuel lines in identified chassis may be subjected to excessive vibrations which could result
in line fatigue failure and associated malfunction indicator lamp event and diesel fuel leak. Campaign E053
introduces a vibration damper to reduce vibrations and eliminate the related failure potential.

Chassis Affected
Select T660s, T700s, T800s and W900s built between 03/10/10 – 02/29/12 and powered by PACCAR MX
engines. See the attached dealer-customer-chassis list and customer letter.

Action
Service all chassis affected that enter your dealership, even if the customer has no issue with the chassis.
Use the procedure below. Review DWC or SIR online systems to verify that campaign “E053” is still open or
already completed prior to performing this repair.

ESB E053; PACCAR MX Fuel Line Damper

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Warranty
There is no time or mileage limit for this campaign. Kenworth will pay parts at dealer net plus applicable markup and 1.5 hours labor. Use Quick Claim E053.
For chassis that have already had dampers installed, file Quick Claim E053a for 0.2 hours inspection time and
to record completion of the campaign in SIR.
CODING:

Failure Location: 044-001-011
Failure Type: 700
SRT Code: 044-996

Work Accomplished: 41
Responsibility Code: 01
Claim Type: F

Parts
Parts are available from PACCAR Parts (PPD) on a reserve basis. Orders will be accepted for 5 truck sets
(30 dampers) per dealer per day in the initial stages of this campaign, to ensure that all dealers have access
to parts during PPD inventory ramp up.
Quantity
6
*

Part Number
1904645PE
washers

Description
Fuel Line Damper
as required in removing lines for access

* Note: depending upon chassis configuration, repairs may require replacing two 0331327PE fuel filter return
pipe copper washers, 0244680 or 0119130 dosing module supply pipe copper washers, or others removed for
access. These are included in MSL stocking requirements and should be in dealer inventory. Please use
parts from dealer inventory and replenish with normal MSL restocking orders. Refer to Engine Rapido, Visual
search, then select Engine block complete and component Fuel system to identify specific part numbers

Procedure
Note: Some chassis listed may have had dampers installed prior to release of campaign E053. If chassis
already have dampers installed (see depiction in Procedure), there is no need to replace these. Please file
Quick Claim E053a for 0.2 hours inspection time and to record completion of this campaign in Kenworth
records.
E053 Procedure.pdf

Attachments
E053 Chassis-Dealer-Customer List.xls

E053 Customer Letter.pdf

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ESB E053; PACCAR MX Fuel Line Damper

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