NHTSA ID Number: 10166782
Manufacturer Communication Number: 19TS-4REV
TSB/Document Date: 2019-10-28
Summary
Technical Service Letter Revision on heavy duty coolant oil module and oil filter change. Older modules will not be compatible with newer module.
No.: 19 TS-4Rev
October 2019
TO:
Service Locations
FROM:
Service Systems Development
SUBJECT:
DD Platform Heavy Duty Oil Coolant Module and Oil Filter Change
ISSUE
A new oil coolant module has been implemented for GHG17 DD Platform Heavy Duty engines.
The module includes design changes to the oil filter, oil filter stand pipe, oil filter cap O-ring,
bottom plug, and ESOC fitting reducer (if equipped). Because of these changes, the new oil
filter is NOT BACKWARDS COMPATIBLE with prior oil coolant modules. The previous oil filter
is not compatible with the new oil coolant module.
The following table provides an implementation date and an associated engine serial number for
each new oil coolant module part number. There are six different oil coolant modules used to
cover different engine options. Refer to the sticker on the oil coolant module for the production
part number.
Oil Coolant Module
Production P/N
A 472 180 17 12
A 472 180 16 12
A 472 180 18 12
A 472 180 19 12
A 472 180 20 12
A 472 180 24 12
Implementation Date
Engine Serial Number
Engine Model
5/14/2019
5/15/2019
5/24/2019
5/15/2019
5/24/2019
6/19/2019
472910S0690711
471940S0690782
473910S0694411
471928S0690755
473910S0693490
472907S0701690
DD15 472910S
DD13 471940S
DD16 473910S
DD13 471928S
DD16 473910S
DD15 472907S
19 TS-4Rev
2
10/11/2019
Previous
New
New Plug
Different Contour
External Differences
Previous
New
Bottom section of the oil filters are dimensionally different and are not interchangeable
19 TS-4Rev
3
10/11/2019
Previous
New
Felt Seal
Previous
New
Stand pipe and bypass valve
19 TS-4Rev
4
Previous
10/11/2019
New
Bottom Plug
REQUIRED ACTION
The previous oil coolant module is no longer available for service. If a replacement oil
coolant module is required and all old stock has been exhausted, the engine will have to
be retrofitted with the new oil coolant module. If the prior oil coolant module was
equipped with an ESOC fitting, a new reducer fitting P/N A0019973376 and O-ring P/N
A0309972145 will be required. All other ESOC parts are unchanged.
Oil filter service kit p/n A4731800409 with oil filter p/n A4721841525 will remain
available for prior oil coolant modules.
The new oil filter service kit p/n A4711800009 contains oil filter p/n A4721841725, new
oil filter cap O-ring p/n A0299978845, and oil drain plug washer p/n N007603027100.
If the engine was retrofitted with the new oil coolant module, it will require the new style
oil filter for future oil filter changes via service kit A4711800009.
For oil coolant module service parts, including the oil filter, use the parts catalog as the
first source of information. However, for engines retrofitted to the new oil coolant
module, the parts catalog cannot be used to determine the proper oil filter. Verify by
using the oil coolant module part number or a visual inspection of the oil filter.
CONTACT INFORMATION
Please contact the Detroit Diesel Customer Support Center at 800-445-1980 or email
[email protected] if you have any questions.
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TSB/Document ID: 19TS-4REV
Replacement Service Bulletin Number:
MFR Communication Date: 2019-10-28
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
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