CANCELED: Cascadia Radiator Update—EPA10 with DDC

Engines 20-73

FLA COE Century Class Conventionai Coronado : i

FLB COE Argosy COE Business Class M2 Freightliner
FLD Conventional Cargo > Cascadia Service Bulletin
Business Class Columbia 108SD/114SD

FLC 112 Conventional

Description of Revisions: This bulletin is canceled, and this proce-
dure is no longer warrantable. Please see Freightliner Service Bul-
letin 20-77, Tuned Mass Absorber Installation, Cascadia with 1625
sq in Radiator, for the recommended procedure to address radia-
tor coolant leaks due to a crack in the coolant tube.

adia vehicles, manufactured from start of production to the dates listed below, with
@ operating parameters, may have radiator failures resulting in a coolant leak due
. See Fig. 1. Leaks in other places (at the end tank, header, fittings, or any place
) do nofgapply for this bulletin. If leaks occur in the coolant tubes, Freightliner rec-
fe to a ted engine-mounted 1400 sq in radiator. This procedure is to replace a

eq ja radiator with an isolated engine-mounted 1400 sq in radiator. DTNA engi-
sq in radiator is within the guidelines to adequately cool all engines and

ommends a radiator
standard engine-mou
neering has determi
horsepower ranges

IMPORTANT: Beginni
mounted radiators. Beginning §
engine-mounted radiators. A
are not covered under this bu

IMPORTANT: The required parts fo i y depending on the vehicle BBC measure-
ment and the type of engine and trart
required parts for particular vehicle corif

ipped vehicles are standard with isolated engine-
y-equipped vehicies are standard with isolated

05/31/2005 500383

Fig. 1, Crack in Coolant Tube

Freightliner Service Bulletin, July 2014 Page 1
CANCELED: Cascadia Radiator Update—EPA10 with DDC
20-73 Engines

i i FLA COE Century Class Conventional Coronado
Freightliner . FLB COE Argosy COE Business Ciass M2
Service Bulletin FLD Conventional Cargo > Cascadia

Business Class Columbia 108SD/114SD

FLC 112 Conventional

Replacement

1. a level surface, shut down the engine, and set the parking brake. Chock the tires

2.

3. r instructions, refer to Group 31 of the Cascadia Workshop Manual.

4, coolant fromthe radiator and engine block.

5. For instrug alos. see Section 88.00, Subject 100 in the Cascadia Workshop Manual.
6.

7.

11. Remove the fan. For instructions, ref
12. Loosen the A/C condenser and move
12.1. Remove the receiver-drier and uppe

aN

OSS

OOK

05/24/2012 #200759

1. Upper Condenser Line Mounting Nuts
P. Receiver-Drier Mounting Nuts

Fig. 2, Receiver-Drier Installation (typical)
12.2 Unbolt the A/C condenser from the CAC. See Fig. 3.

NOTE: Wrap the condenser in cardboard to protect it while it is moved.
12.3 Carefully move the condenser around and set it on right front tire. Secure it as needed. See Fig. 4.

Page 2 Freightliner Service Bulletin, July 2014
CANCELED: Cascadia Radiator Update—EPA10 with DDC

Engines 20-73

FLA COE Century Class Conventional Coronado i i

FLB COE Argosy COE Business Class M2 Freightliner
FLD Conventional Cargo > Cascadia Service Bulletin
Business Class Columbia 108SD/114SD

FLC 112 Conventional

05/24/2012 200757

1. A/C Condenser
2. Isolator

14. Disconnect the lower radiator hose from the radiato}
tached to the radiator mount.

NOTE: On some vehicles the CAC will have to be remo

18. Remove the lower radiator mounting brackets, with the lower radiator elbow a

discard them. io
NOTE: Keep all of the transmission cooler line mounting hardware for reuse’
lines.

19. Remove the transmission cooler lines and discard them. Cap or plug the fittings at th
the lines to prevent spills. See Fig. 5.

20. Install the lower radiator mounting brackets. See Fig. 6. Tighten 191 to 234 Ibf-ft (260 to 317 N-m).

21. Install the new transmission cooler lines from the transmission to the jumper lines on the radiator. Do not
install the jumper lines at this time.

en installing the new

fh .
ai ismission and on

See Fig. 5, Fig. 7, Fig. 8, and Fig. 9 for transmission cooler tine and bracket installation. For vehicle-
specific plumbing diagrams refer to EZWiring in PartsPro.

Freightliner Service Bulletin, July 20714 Page 3
CANCELED: Cascadia Radiator Update—EPA10 with DDC

20-73 Engines

i i FLA COE Century Class Conventional Coronado
Freightliner . FLB COE Argosy COE Business Class M2
Service Bulletin FLD Conventional Cargo > Cascadia

Business Class Columbia 108SD/114SD

FLC 112 Conventional

05/24/2012
1. Bungee Cord

Fig. 4, Securing the A/C Condens
22, Inspect the CAC isolators. If they are damaged, replace them with Ch
NOTE: It may be easier to install the CAC when the radiator is posi
23. Install the CAC on the new radiator. Tighten the mounting nuts 22 lbf-ft (29 ,
24, Install the new fan shroud on the new radiator. See Fig. 10.

25. On vehicles equipped with a VORAD collision warning system, remove the forward
ward antenna from the mounting bracket, then remove the bracket from the front closing
See Fig. 12.

On vehicles equipped with an OnGuard™ collision warning system, remove the antenna an
bracket assembly from the front closing crossmember. See Fig. 13.

NOTE: The lower baffle may need to be modified to fit some forward frame options.
26. Install the new lower baffle on the front closing crossmember. See Fig. 11.

27. Install the forward antenna. See Fig. 12 for VORAD bracket and antenna installation, or Fig. 13 for On-
Guard antenna and bracket assembly installation.

28. Apply sealant (48-00094-141) to the threads of the fasteners, then install the fan. Tighten 30 lbf-ft (44 N-m).
For instructions, refer to Group 20 of the Cascadia Workshop Manual.

Page 4 Freightliner Service Bulletin, July 2014
CANCELED: Cascadia Radiator Update—EPA10 with DDC
Engines 20-73

FLA COE Century Class Conventional Coronado i i

FLB COE Argosy COE Business Class M2 Freightliner
FLD Conventional Cargo > Cascadia Service Bulletin
Business Class Coiumbia 108SD/114SD

FLC 112 Conventional

RET OSS
gL
>

A |

II
bg | /
WG

Teer
(AACS:

10/08/2012 #500409
1. Fitting, Straight 6. Tube, Flex 114. Mounting Bracket

2. Tube (jumper line) 7. Separator

3. Tube (jumper line) 8. Bolt

4. Fitting, 45-Degree 9. Clamp

5. Tube, Flex 10. Nut

29.
30.

31.
32.
33.
34.
35.

Using an appropriate lifting device, position the new radiator assembly
nuts, but do not tighten them yet. See Fig. 15.

Install the new radiator strut rods. See Fig. 16. Do not tighten the mounting fast
Install the upper radiator hose. See Fig. 17

Connect the transmission cooler lines to the jumper lines on the radiator.
install the lower radiator hose assembly. See Fig. 18.

Install the A/C condenser as follows.

35.1 Move the condenser into position and secure it temporarily. See Fig. 3.

35.2 Position the receiver-drier and upper A/C line on their respective brackets and install the mounting
nuts. See Fig. 2. Tighten the nuts 14 to 16 Ibf-ft (19 to 22 N-m).

Freightliner Service Bulletin, July 2014 Page 5
CANCELED: Cascadia Radiator Update—EPA10 with DDC
20-73

Engines
i I FLA COE Century Class Conventional Coronado
Freightliner . FLB COE Argosy COE Business Class M2
Service Bulletin FLD Conventional Cargo > Cascadia
Business Class Columbia 108SD/114SD
FLC 112 Conventional
500402
oe
-
Tn
a
10/03/2013 #200820
1. Capscrew 5. Transmission Cooling Line 9. Standoff
2. Clamp 6. Standoff 10. Clamp
3. Standoff 7. Clamp 11. Nut
4. Transmission Cooling Line 8. Capscrew

Fig. 7, Transmission Cooler Line Bracket Installation