NHTSA ID Number: 10078701
Manufacturer Communication Number: TSB140008-020816
TSB/Document Date: 2016-08-15
Summary
THIS TECHNICAL SERVICE BULLETIN INTRODUCES A NEW VERTICAL PLATE EXHAUST GAS RECIRCULATION (EGR) COOLER.
New EGR Coolers for ISC/ISL Diesel Engines and ISL G Gas Engines
Page 1 of 9
Technical Service Bulletin Number
TSB140008
Technical Service Bulletin
Subject
New EGR Coolers for ISC/ISL Diesel Engines and ISL G Gas Engines
Warranty Statement
The information in this document has no effect on present warranty coverage or repair
practices, nor does it authorize TRP or Campaign actions.
Contents
This document introduces a new vertical plate exhaust gas recirculation (EGR) cooler.
Product Affected:
ISC8.3 CM2150
ISC8.3 CM2250
ISL9 CM2150
ISL9 CM2250
ISL9 CM2350 L101
ISL G CM2180
To replace the EGR cooler, see Procedure 011-019 in Section 11 of the appropriate service
manual.
For detailed installation instructions on how to upfit an engine with a horizontal plate EGR
cooler to a vertical plate EGR cooler, refer to Installation Instruction, Replacement of a
Horizontal Plate Exhaust Gas Recirculation (EGR) Cooler With a Vertical Plate EGR Cooler,
Bulletin 4908175.
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2014/tsb140008.html
3/1/2016
New EGR Coolers for ISC/ISL Diesel Engines and ISL G Gas Engines
Page 2 of 9
Gas Engines:
See the table below for details. The present EGR cooler is being superseded. When
replacing EGR cooler, Part Number 4990739, the customer must order one of the installation
kits listed below. The kit contains the coolant vent line for installation. Reference Procedure
008-017 in Section 8 in the appropriate service manual.
NOTE: Peterbilt
™ 320 Chassis installations may need to order a new original equipment
manufacturer (OEM) air intake pipe, D66-6894 PIPE-AIR INTAKE, in addition to the kit
below.
ISL G Engines
Mounting Option
Part Number
Failed
Replace With
Installation Kit Part
Number
Square Cooler with High Mount
Turbocharger
4990739
437631200RX
4352347
Square Cooler with Low Mount
Turbocharger
4990739
437631200RX
4352348
Circular Cooler
5318560 or
5347234
437631200RX
Not Applicable
Diesel Engines:
The new vertical plate EGR cooler is a robust design and is a required upfit to the present
horizontal plate EGR cooler design except in some cases where it will not fit.
This document consists of the instructions to order parts/kit and upfit an engine equipped with
a horizontal plate EGR cooler to a vertical plate EGR cooler.
Determine the type of EGR cooler (horizontal plate or vertical plate) presently on the engine,
using the illustrations and description below:
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2014/tsb140008.html
3/1/2016
New EGR Coolers for ISC/ISL Diesel Engines and ISL G Gas Engines
Page 3 of 9
Figure 1, Horizontal Plate EGR Cooler
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2014/tsb140008.html
3/1/2016
New EGR Coolers for ISC/ISL Diesel Engines and ISL G Gas Engines
Page 4 of 9
Figure 2, Vertical Plate EGR Cooler
1. The horizontal plate EGR cooler (Figure 1) is equipped with a slip fit connection (without a
flange) for the coolant lines.
If the existing cooler is horizontal plate, choose one of the following:
OEM is New Flyer, follow Case A below
OEM is Gillig or Nova, follow case B
All other OEM’s, follow Case C below
2. The vertical plate EGR cooler (Figure 2) is equipped with a flange connection for the coolant
lines.
If the existing cooler is vertical plate, choose one of the following:
OEM is New Flyer, follow case D below
All other OEM’s, follow case E below
Order upfit parts based on conditions that satisfy the repair/case.
Case A: The engine is equipped with a horizontal plate EGR cooler and is used in OEM New
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2014/tsb140008.html
3/1/2016
New EGR Coolers for ISC/ISL Diesel Engines and ISL G Gas Engines
Page 5 of 9
Flyer
Order the parts listed below:
New Part Number
Quantity
Noun Name
2880908
1
Union, Male
3104485
1
Clamp, Spring Hose
3900630
4
Screw, Hex Flange Head C
3943933
3
Screw, Hex Flange Head C
3950161
1
Screw, Hex Flange Head C
4934278
6
Washer, Sealing
4935432
1
Coupling, Plain Pipe
5297792
1
Tube, Pressure Sensing
5297796
1
Support, Exhaust Gas RCN
5297817
1
Tube, Air Transfer
5306383
1
Bracket, Exhaust RCN Cooler
5319225
1
Connector, Male
5319450
1
Tube, Exhuast Clr Water Outlet
5337913
1
Screw, Socket Set
5343328
1
Cooler, Exhaust Gas RCN
3104230
2
Gasket, Exhaust Gas RCN Valve
4932615
2
Gasket, Connection
5297806
1
Seal, Diamond Ring
5364526
1
Tube, Exhaust Clr Water Inlet
5297802
1
Tube, Vent
4938641
1
Union, Male
Case B: The engine is equipped with a horizontal plate EGR cooler and is used in OEM, Gillig
or Nova (ISC/ISL CM2150) – left side engine installations, order EGR cooler kit, Part Number
4352444RX. The kit consist of the parts listed below:
New Part Number
Quantity
4352444RX
Noun Name
Kit, EGR Cooler
3104230
1
Gasket, Exhaust Gas RCN Valve
4932615
2
Gasket, Connection
4990739
1
Cooler, Exhaust Gas RCN
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2014/tsb140008.html
3/1/2016
New EGR Coolers for ISC/ISL Diesel Engines and ISL G Gas Engines
3049221
2
Page 6 of 9
Case C: If the engine is equipped with a horizontal plate EGR Cooler and the OEM of the unit
is not New Flyer, Gillig, or Nova, use the below instruction to upfit to a vertical plate EGR
cooler:
Order vertical plate EGR cooler kit, Part Number 4352253RX. The kit consist of the parts
listed below:
New Part Number
Quantity
4352253RX
Noun Name
Kit, EGR Cooler
3104230
1
Gasket, Exhaust Gas RCN Valve
4932615
2
Gasket, Connection
5297551
1
Cooler, Exhaust Gas RCN
5297806
2
Seal, Diamond Ring
Order EGR cooler upfit kit, Part Number 4352363. The kit consist of the parts listed
below:
New Part Number
Quantity
4352363
Noun Name
Kit, EGR Cooler Upfit
5297792
1
Tube, Pressure Sensing
5297796
1
Support, Exhaust Gas RCN MDL
5319450
1
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TSB/Document ID: TSB140008-020816
Replacement Service Bulletin Number:
MFR Communication Date: 2016-02-08
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT
MFR Component System:
MFR Component Subsystem:
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