NHTSA ID Number: 10130783
Manufacturer Communication Number: IK1900253
TSB/Document Date: 2018-04-02
Summary
A/C Condenser Part Number Update for LT and RH
IK1900253 - A/C Condensers for LT and RH Part Number Update
Page 1 of 5
Countries:
CANADA, UNITED STATES Document ID: IK1900253
Availability:
ISIS, FleetISIS, IsSIR
Revision:
2
Major System:
ACCESSORIES
Created:
11/10/2017
Current Language: English
Last Modified: 12/14/2017
Other Languages: NONE
Author:
Viewed:
Charles Schroeder
259
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Title : A/C Condensers for LT and RH Part Number Update
Applies To : LT and RH
Change Log
Please refer to the change log text box below for recent changes to this article:
12/14/2017 ‐ Added additional information for identifying differences between condensers
11/28/2017 ‐ Updated Service Parts Information to reflect new condenser comes with 4 isolators
11/27/2017 ‐ Initial Article Release
Description
This document will show the user the difference between original production and new A/C Condensers for LT and RH vehicles.
Symptoms
• A/C Inoperative due to refrigerant leaking from A/C Condenser
Diagnostic Trouble Code(s) & Dashboard Indicator Light(s):
DTC/Light
Description
N/A
N/A
Customer Observations or Concerns:
• A/C does not blow cold
Special Tools / Software
Tool Description
Tool Number
Comments
Robinair A/C
Machine
34988
Or Equivalent
Service Parts Information
Part Number
Quantity
Required
Notes
CONDENSER, LEFT NON HX AND HV
2518753C91
1
This P/N replaces 2516098C91
*New condenser will come with 4 isolators installed
SEAL, C‐ PLATE 1/2"
3543881C1
2
RING, "O" SEAL TAN 10 25/32" X 2 5/8"
3543727C1
2
Kit Description
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlID... 1/2/2018
IK1900253 - A/C Condensers for LT and RH Part Number Update
ISOLATORS, CONDENSERS QTY 1
2517307C91
0
Page 2 of 5
*Isolators will come with the new condenser
Isolators can be ordered as a separate service part if required.
Diagnostic Steps
N/A
Repair Steps
HVAC System Torque Chart
C‐Plate Nuts
168 ‐ 180 lbf‐in. (19 ‐ 20 N∙m)
Pressure Transducer
60 ‐ 120 lbf‐in. (7 ‐ 14 N∙m)
Low Pressure Switch
60 ‐ 120 lbf‐in. (7 ‐ 14 N∙m)
Receiver Drier Dirt Cover Cap 2 lbf‐in.
(0.23 N∙m)
Lock Plate Screws
80 ‐ 90 lbf‐in.
(9 ‐ 10 N∙m)
Expansion Valve Screws
35 ‐ 38 lbf‐in.
(4 ‐ 4.3 N∙m)
Blower Assembly Screws
20 lbf‐in.
(5.7 N∙m)
Evaporator Cover Screws
20 lbf‐in.
(5.7 N∙m)
Compressor Mounting Bolts 204 ‐ 252 lbf‐in. (23 ‐ 29 N∙m)
Door Actuator Screws
20 lbf‐in.
(5.7 N∙m)
For A/C Condenser replacement instructions refer to the 2017 ‐ 2020 LT / RH Technician Manual ‐ 0000885380
Condenser P/N 2516098C91 has been replaced with P/N 2518753C91, see images below:
Old Condenser P/N 2516098C91
New Condenser P/N 2518753C91
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IK1900253 - A/C Condensers for LT and RH Part Number Update
Page 3 of 5
*4 isolators will come with the new condenser
The New Condenser can also be identified by the number of microchannels in the tubes
Identify Microchannels on Condenser
1. Microchannels can be seen on the top or bottom tube of the
condenser
◦ The top and bottom tube are not functional
Original Condenser ‐ 18 Microchannels
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlID... 1/2/2018
IK1900253 - A/C Condensers for LT and RH Part Number Update
Page 4 of 5
• A small number of production vehicles had 4 isolators with the
18 Microchannel design (Built between 10/17/2017 and
11/08/2017)
• 4 Isolators with 18 Microchannels was never available as a
service part
New Condenser 2518753C91 ‐ 8 Microchannels
The New Condenser 2518753C91 is the only available service part
Warranty Information
Warranty Claim Coding:
Refer to the Warranty Coding Manual for Group and Noun Codes.
Standard Repair Time(s):
Refer to the SRT Manual for Repair Times
Other Resources
Master Service Information Site
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlID... 1/2/2018
IK1900253 - A/C Condensers for LT and RH Part Number Update
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Copyright © 2018 Navistar
, Inc.
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlID... 1/2/2018
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TSB/Document ID: IK1900253
Replacement Service Bulletin Number:
MFR Communication Date: 2017-12-14
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING:COOLING SYSTEM
MFR Component System:
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