TSB200201-100520

New Variable Geometry Turbocharger Actuator Vented Coolant Drain Line Kits
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Technical Service Bulletin
Technical Service Bulletin:
Released Date: 05-Oct-2020
TSB200201
New Variable Geometry Turbocharger Actuator Vented Coolant Drain Line
Kits
New Variable Geometry Turbocharger Actuator
Vented Coolant Drain Line Kits
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
Product Affected
Engines:
• L9 CM2350 L116B
• ISL9 CM2350 L101
Original Equipment Manufacturer (OEM):
•
◦ Fire Truck
Description of Change
New engine coolant vent and turbocharger coolant drain lines released that features a
coolant vent path between the turbocharger actuator and engine coolant vent line.
Reason for Change
Insufficient coolant circulation or air venting after engine shutdown due to limited engine
compartment air flow.
Service Instructions
• New turbocharger actuator vented coolant drain line kits are available
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New Variable Geometry Turbocharger Actuator Vented Coolant Drain Line Kits
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• Turbocharger plumbing and Engine Coolant Vent options must be confirmed to be
compatible prior to ordering. Upfit Kit is backwards compatible with engine built with
the options listed in Table 1.
Table 1, Compatible Engine Options
Option Description
Option Number
PLUMBING, TURBOCHARGER
TP97632
VENT, ENGINE COOLANT
RP9241
• See Table 3 in the Service Parts Availability for kit part numbers.
• See Figures 1, 2, and 3 for existing product and service kit layouts.
• For new turbocharger actuator coolant drain line kit installation, see corresponding
Service Manual. Reference Procedure 008-017 in Section 08.
• See Table 2 for Installation torque of engine coolant vent line to turbocharge coolant
out line, highlighted in Figure 2.
Table 2, Connection Installation Torque Values
Connection Location
Installation Torque N*m [ ft-lb ]
1 (Figure 2)
35 [ 2 6]
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New Variable Geometry Turbocharger Actuator Vented Coolant Drain Line Kits
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Figure 1, Existing Turbocharger Plumbing and Engine Vent Lines.
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New Variable Geometry Turbocharger Actuator Vented Coolant Drain Line Kits
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Figure 2, New Turbocharger Plumbing and Engine Vent Lines.
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New Variable Geometry Turbocharger Actuator Vented Coolant Drain Line Kits
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Figure 3, New Engine Vent Line with Turbocharger Actuator Vent Branch.
Service Parts Availability
Service parts are available. See Table 3 for part numbers.
Table 3, Service Parts
Part
Description
Existing Part
Number
Obsolete
Superseded
New Part
Number
KIT, UPFIT
-
No
No
5579448
Document History
Date
2020-10-2
Details
Module Created
Last Modified: 05-Oct-2020
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10/27/2020
New Variable Geometry Turbocharger Actuator Vented Coolant Drain Line Kits
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10/27/2020