NHTSA ID Number: 10165412
Manufacturer Communication Number: SB26-051
TSB/Document Date: 2019-09-27
Summary
Service Bulletin for DT12 Transmission Cooler Retrofit
A07-24611-001
TUBE-JUMPER,COLD,P3,AOC
4
A07-24612-001
TIE-STRAP,2 HOSES,.375 TO 2.25
10
TYCDCT110HIR
COOLER-XMSN,DT12,P3/5700
N/A
07-24018-001
SCR-MACH,RHWC,HDI,DGPT,M8X25
50
23-13490-025
VALVE, OIL PUMP CONTROL, KIT
N/A
FITTING, OIL COOLER, M18X1.5/JIC
Page 22
N/A
A 001 997 74 70
Qty
1
1
2
2
2
1
2
12
2
1
5
1
2
4
1
1
1
1
1
1
4
1
2 (not required if
vehicle has an
existing oil cooler)
Freightliner
Service Bulletin, 09/18/2019
26-051
DT12 Transmission Cooler Retrofit
FLA COE
FLB COE
FLD Conventional
Business Class
FLC 112 Conventional
Century Class Conventional
Argosy COE
Cargo
Columbia
122SD and Coronado
Business Class M2
> Cascadia
108SD/114SD
Parts Required, BOM 383-T20000 (DT12B, DD13, Cascadia 113" Cab)
LOCTITE 518 or
SEALANT, ANAEROBIC
N/A
DDE23513509 or
equivalent
CAP, -8 JIC
N/A
8 FNTX-S (or equivalent)
Freightliner
Service Bulletin
as required
2 (only required if
vehicle has an
existing cooler)
Table 1, Parts Required, BOM 383-T20000 (DT12B, DD13, Cascadia 113" Cab)
Parts Required, BOM 383-T20001 (DT12B,
Reference
Item Description
Number
TUBE-HOT,P3,DD13,DT12B
5
TUBE-COLD,P3,DD13,DT12B
6
BRKT-RAD SUPT,P3,DT12,AOC
18
SPACER, TUBULAR ALUMINUM
13
SWIVEL-90 DEG,8 C6X,FT
15
SPACER-NYLON, .38 ID X .31 LG, .75 OD
21
DUAL TUBE CLAMP, VNYL DIPPD,3/4
20
CLAMP-COOLER LINE, TUBE SNAP
7
VERSION
SCREW-M8X60,8.8
22
BOLT HEX HEAD FLANGE M8X1.25X16-10.9
11
BOLT-M8X40,GRD8.8,DBL9440.40
8
NUT, HX FLNG MTRC,M8X1.25,CLS 8
19
NUT
9
NUT-U, METRIC,M8X1.25
N/A
NUT, INSERT
N/A
BRACKET-SUPPORT, TRANS COOLER
12
TUBE-JUMPER,HOT,P3,AOC
3
TUBE-JUMPER,COLD,P3,AOC
4
TIE-STRAP,2 HOSES,.375 TO 2.25
10
COOLER-XMSN,DT12,P3/5700
N/A
SCR-MACH,RHWC,HDI,DGPT,M8X25
50
VALVE, OIL PUMP CONTROL, KIT
N/A
DD13, Cascadia 125" Cab)
Part Number
Qty
07-24613-000
07-24614-000
07-24620-000
23-11427-050
23-12135-002
23-12262-001
23-13629-075
1
1
1
2
2
1
2
23-13687-000
12
N910105 008006
DDE N910105008008
N910143 008005
DDE N910112008000
DDE N000000003175
23-12625-010
23-12631-381
A07-22753-001
A07-24611-002
A07-24612-002
TTYCDCT110HIR
07-24018-001
23-13490-025
2
1
5
1
2
4
1
1
1
1
1
1
4
1
2 (not required if
vehicle has an
existing oil cooler)
FITTING, OIL COOLER, M18X1.5/JIC
N/A
A 001 997 74 70
SEALANT, ANAEROBIC
N/A
LOCTITE 518 or
DDE23513509 or
equivalent
1
CAP, -8 JIC
N/A
8 FNTX-S (or equivalent)
2 (only required if
vehicle has an
existing cooler)
Table 2, Parts Required, BOM 383-T20001 (DT12B, DD13, Cascadia 125" Cab)
Freightliner Service Bulletin, 09/18/2019
Page 23
26-051
DT12 Transmission Cooler Retrofit
Freightliner
Service Bulletin
FLA COE
FLB COE
FLD Conventional
Business Class
FLC 112 Conventional
Century Class Conventional
Argosy COE
Cargo
Columbia
Parts Required, BOM 383-T20002 (DT12A, DD13, Cascadia 113" Cab)
Reference
Item Description
Part Number
Number
TUBE-HOT,P3,DD13,DT12A
5
07-24615-000
TUBE-COLD,P3,DD13,DT12A
6
07-24616-000
BRKT-RAD SUPT,P3,DT12,AOC
18
07-24620-000
SPACER, TUBULAR ALUMINUM
13
23-11427-050
SWIVEL-90 DEG,8 C6X,FT
15
23-12135-002
SPACER-NYLON, .38 ID X .31 LG, .75 OD
21
23-12262-001
STRAP-TIE, DUAL, STAND OFF
17
23-13322-008
STUD DOUBLE END STL M8-1.25
16
23-13563-000
DUAL TUBE CLAMP, VNYL DIPPD,3/4
20
23-13629-075
CLAMP-COOLER LINE, TUBE SNAP
7
23-13687-000
VERSION
SCREW-M8X60,8.8
22
N910105 008006
BOLT HEX HEAD FLANGE M8X1.25X16-10.9
11
DDE N910105008008
BOLT-M8X40,GRD8.8,DBL9440.40
8
N910143 008005
NUT, HX FLNG MTRC,M8X1.25,CLS 8
19
DDE N910112008000
NUT
9
DDE N000000003175
NUT-U, METRIC,M8X1.25
N/A
23-12625-010
NUT, INSERT
N/A
23-12631-381
BRACKET-SUPPORT, TRANS COOLER
12
A07-22753-001
TUBE-JUMPER,HOT,P3,AOC
3
A07-24611-001
TUBE-JUMPER,COLD,P3,AOC
4
A07-24612-001
TIE-STRAP,2 HOSES,.375 TO 2.25
10
TYCDCT110HIR
COOLER-XMSN,DT12,P3/5700
N/A
07-24018-001
SCR-MACH,RHWC,HDI,DGPT,M8X25
50
23-13490-025
VALVE, OIL PUMP CONTROL, KIT
N/A
122SD and Coronado
Business Class M2
> Cascadia
108SD/114SD
Qty
1
1
1
1
2
1
1
1
2
12
1
1
6
1
3
4
1
1
1
1
1
1
4
1
2 (not required if
vehicle has an
existing oil cooler)
FITTING, OIL COOLER, M18X1.5/JIC
N/A
A 001 997 74 70
SEALANT, ANAEROBIC
N/A
LOCTITE 518 or
DDE23513509 or
equivalent
1
CAP, -8 JIC
N/A
8 FNTX-S (or equivalent)
2 (only required if
vehicle has an
existing cooler)
Table 3, Parts Required, BOM 383-T20002 (DT12A, DD13, Cascadia 113" Cab)
Parts Required, BOM 383-T20003 (DT12A, DD13, Cascadia 125" Cab)
Reference
Part Number
Item Description
Number
TUBE-HOT,P3,DD13,DT12A
5
07-24615-000
TUBE-COLD,P3,DD13,DT12A
6
07-24616-000
BRKT-RAD SUPT,P3,DT12,AOC
18
07-24620-000
Page 24
Qty
1
1
1
Freightliner Service Bulletin, 09/18/2019
26-051
DT12 Transmission Cooler Retrofit
FLA COE
FLB COE
FLD Conventional
Business Class
FLC 112 Conventional
Century Class Conventional
Argosy COE
Cargo
Columbia
122SD and Coronado
Business Class M2
> Cascadia
108SD/114SD
Parts Required, BOM 383-T20003 (DT12A,
SPACER, TUBULAR ALUMINUM
13
SWIVEL-90 DEG,8 C6X,FT
15
SPACER-NYLON, .38 ID X .31 LG, .75 OD
21
STRAP-TIE, DUAL, STAND OFF
17
STUD DOUBLE END STL M8-1.25
16
DUAL TUBE CLAMP, VNYL DIPPD,3/4
20
CLAMP-COOLER LINE, TUBE SNAP
7
VERSION
SCREW-M8X60,8.8
22
BOLT HEX HEAD FLANGE M8X1.25X16-10.9
11
BOLT-M8X40,GRD8.8,DBL9440.40
8
NUT, HX FLNG MTRC,M8X1.25,CLS 8
19
NUT
9
NUT-U, METRIC,M8X1.25
N/A
NUT, INSERT
N/A
BRACKET-SUPPORT, TRANS COOLER
12
TUBE-JUMPER,HOT,P3,AOC
3
TUBE-JUMPER,COLD,P3,AOC
4
TIE-STRAP,2 HOSES,.375 TO 2.25
10
COOLER-XMSN,DT12,P3/5700
N/A
SCR-MACH,RHWC,HDI,DGPT,M8X25
50
VALVE, OIL PUMP CONTROL, KIT
N/A
Freightliner
Service Bulletin
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- WHY RED LINE - Established in 1979, Red Line Products...
- CUTTING EDGE TECHNOLOGY - Shockproof technology designed to...
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TSB/Document ID: SB26-051
Replacement Service Bulletin Number:
MFR Communication Date: 2019-09-27
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
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