NHTSA ID Number: 11033916
Manufacturer Communication Number: E311
TSB/Document Date: 2026-06-17
Summary
The PACCAR Powertrain Prognostics Webcast video link has been removed. It will be included with updated information at a later date.
6/5/26, 10:38 AM
Powertrain Service Bulletin
E311: PACCAR MX-13 EPA 2017 Prognostic Repair Camshaft
Number
Edit
Clone
E311
Description
PACCAR MX-13 EPA 2017 Prognostic Repair - Camshaft
Subject
PACCAR MX-13 EPA 2017 Prognostic Repair - Camshaft
Date
4/5/2024
Revision
06/05/2026: The PACCAR
Powertrain Prognostics Webcast video link has been removed. It will be
included with updated information at a later date.
05/18/2026: The Warranty section has been updated to include Peterbilt-specific SRT codes for filing
cross-division repairs.
08/18/2025: Condition, Chassis Affected, and Warranty sections updated with the following verbiage
“E311 must be flagged and open in Service Information Record (SIR) at the time of RO open date to
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Powertrain Service Bulletin
qualify.” Also, “Through Standard Warranty or any applicable active Extended Warranty” verbiage was
removed from Warranty section.
02/24/2025: Chassis list updated.
11/18/2024: Take off parts disposition has been changed from "Ship take-off parts to PACCAR Technical
Center" to "Destroy take-off parts 30 days after claim is paid".
05/10/2024: SRT codes B24-08C/D/E/F/G/H added to the “Warranty” section table. “Procedure” section
now includes oil filter inspection process. For information, webcast link "PACCAR Powertrain Prognostics
Webcast" has been added to the “Procedure” section.
05/07/2024: Chassis list updated.
Condition
E311 must be flagged and open in Service Information Record (SIR) at the time of RO open date to
qualify.
PACCAR will proactively contact the customers with the chassis identified in this campaign and
coordinate with dealers to schedule the repair based on part and dealer availability. If a truck is in your
shop and it is flagged in SIR, please proceed with this repair. We also welcome dealers to proactively
contact customers based on the list updated regularly in SIR.
Chassis Affected
Chassis equipped with PACCAR EPA2017 MX-13 EMY2017-2021 identified through the use of
prognostics.
E311 must be flagged and open in Service Information Record (SIR) at the time of RO open date to
qualify.
Action
Campaign
The chassis list will be updated periodically based on prognostics data. PACCAR will identify
chassis, contact customer, and load chassis to PRWS and SIR.
1. In Service Management, select Campaign E311 to add it to the case. If the unit is released back
into service without performing the repair, make sure to also release the Campaign in Service
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Powertrain Service Bulletin
Management.
2. If you are not using Service Management to start repair orders, review SIR for “Complete” or "In
Process" next to the E311 campaign code prior to performing this repair.
3. Follow the procedures in RMI to replace the camshaft and inspect for progressive damage as
necessary.
Warranty
The chassis list will be updated periodically based on prognostics data. PACCAR will identify
chassis, contact customer, and load chassis to PRWS and SIR.
E311 must be flagged and open in Service Information Record (SIR) at the time of RO open date to
qualify.
Kenworth will pay for parts at dealer net plus applicable mark-up and labor:
Recommended Repair Codes listed below are editable. After selecting, click the gear icon to add
Parts/Labor/Misc.
For EMY2017-2021 PACCAR MX-13 engines in chassis built prior to 4/19/2019, select editable
Recommended Repair Code E311A.
For EMY2019-2021 PACCAR MX-13 engines in chassis built on or after 4/20/2019, select editable
Recommended Repair Code E311B.
Kenworth dealers may perform E311 repairs on Peterbilt chassis, but Recommended Repair
Codes do not apply. For Peterbilt chassis repairs, use the long form claim.
If filing a claim for cross-division repairs, be sure to select the Peterbilt-specific SRT codes shown
in the PRWS Claim Coding table below.
File an additional claim for extraordinary circumstances. A recommended repair for standard labor
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Powertrain Service Bulletin
must be filed first.
Take off parts disposition: Destroy take-off parts 30 days after claim is paid.
PRWS CLAIM CODING
Campaign
E311
Code:
ampaign
C
Type:
laim
C
Engine Repair Type:
Category:
Field Repair
Proactive
Customer
Concern 169
Code:
Causal Code: 44
Corrective
Action
03
Code:
esponsibility
R
CAMP
Code:
045Failure
008Location:
098
Causal Part:
2245295
Supplier
SRT Code:
Peterbilt
SRT
Codes
N/A
Kenworth
SRT
Codes
B24-10A B24-08C
25.5
25.5 hours
hours
T680
Bulletin
chassis
E311
Camshaft
Prognostic
R&R
Repair (Includes
579
battery
Camshaft disconnect,
R&R
bumper
(Includes
removal
battery and oil filter
disconnect inspection).
and
bumper
removal).
B24-10B B24-08D
25.4 hours 25.4 hours
Bulletin
For NonE311
T680
Prognostic chassis
Repair - Camshaft
Non-579
R&R
Camshaft (Includes
R&R
battery
(Includes disconnect
battery
and Oil
disconnect)
https://paccarnet.sharepoint.com/sitepages/pwrtrnsvcbltin.aspx?ctx=eyJ3ZWJVcmwiOiJodHRwczovL3BhY2Nhcm5ldC5zaGFyZXBvaW50LmNvbS9za…
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Powertrain Service Bulletin
filter
B24-10C
B24-08E
2.3 hours inspection).
27.6 hours
Valve train
For T680
noise,
chassis
excessive
Camshaft
valve lash,
R&R
and/or
(Includes
excessive
battery
wear
disconnect,
metals in
bumper
oil pan or
removal
oil filter.
and Valve
Per RMI
train noise,
steps. Full
excessive
diagnostic
valve lash
tree.
diagnostic
tree).
B24-08F
27.5 hours
For NonT680
chassis
Camshaft
R&R
(Includes
battery
disconnect
and Valve
train noise,
excessive
valve lash
diagnostic
tree).
B24-08G
2.6 hours
For T680
chassis
Camshaft
R&R
(Includes
battery
disconnect,
bumper
removal
and Valve
train noise,
excessive
valve lash
https://paccarnet.sharepoint.com/sitepages/pwrtrnsvcbltin.aspx?ctx=eyJ3ZWJVcmwiOiJodHRwczovL3BhY2Nhcm5ldC5zaGFyZXBvaW50LmNvbS9za…
5/7
6/5/26, 10:38 AM
Powertrain Service Bulletin
diagnostic
tree).
B24-08H
2.5 hours
For NonT680
chassis
Camshaft
R&R
(Includes
battery
disconnect
and Valve
train noise,
excessive
valve lash
diagnostic
tree).
Parts
Parts are available from PACCAR Parts.
The parts list below is not exhaustive. Please refer to RMI to determine if additional parts are required.
Part
Number
Description
1
2342017PE
Camshaft Replacement Kit,
MX-13, EPA17
1
2111441PE
Oil Pan Gasket, MX-13,
EPA17
1
2245295PE Camshaft, MX-13, EPA17
Quantity
Procedure
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Powertrain Service Bulletin
1. On PACCAR.net, open RMI and enter the VIN to get chassis specific repair instructions.
2. Search for diagnostic procedure: ”Valve train noise, excessive valve lash, and/or excessive wear
metals in oil pan or oil filter.”
3. Perform step one of procedure - remove and inspect the oil filter for metal debris to determine if the
camshaft has experienced significant wear:
a. Remove oil filter.
b. Use a box knife to cut filter media from filter housing.
c. Fold filter media so pleats are stacked on top of each other.
d. Place folded filter media into a vice and squeeze out excess oil.
e. Spread out filter media onto a clean work surface and inspect for metal debris.
i. If no metal debris is found, replace camshaft per RMI procedures (in RMI search
“Replace including tappets camshaft, engine (Basic assembly).”
ii. If metal debris is found, complete the remaining steps in the ”Valve train noise,
excessive valve lash, and/or excessive wear metals in oil pan or oil filter” diagnostic
procedure.
Links
E311: PACCAR MX-13 EPA 2017 Prognostic Repair - Camshaft - Chassis List
Authored by: JK
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TSB/Document ID: E311
Replacement Service Bulletin Number:
MFR Communication Date: 2026-06-06
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE
MFR Component System:
MFR Component Subsystem:
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