NHTSA ID Number: 10131043
Manufacturer Communication Number: IK1200478
TSB/Document Date: 2018-04-02
Summary
On vehicle DOC Cleaning
IK1200478 On vehicle DOC Cleaning MaxxForce® 7 Engines
Page 1 of 13
Countries:
CANADA, UNITED STATES, MEXICO,
PUERTO RICO
Document
ID:
IK1200478
Availability:
ISIS, Bus ISIS, FleetISIS
Revision:
7
Major System:
Current
Language:
ENGINES
Created:
Last
Modified:
3/23/2010
English
Other
Languages:
Français, Español,
Viewed:
24021
Author:
2/12/2014
Robert
Beckett
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Title : On vehicle DOC Cleaning MaxxForce® 7 Engines
Applies To : 2007 - 2009 MaxxForce® 7,
Note:
When the ECM calibration is updated the (parameter 87002) Customer Password (CPW) is restored to Calibration default (0000). You will need to
acquire the CPW and program it back in when finished with the update. The only exception to this is if the ECM is updated with NETS and we
have the CPW saved in our database, then the CPW will be programmed back into the ECM during a cal update. If this happens, see the note on
step 11 of this article.
DESCRIPTION
A method to clean the DOC on the vehicle with ServiceMaxx in combination with ZTSE 6031 has been developed.
A partially plugged DOC may cause excessive Exhaust Back Pressure and cause a rise in engine oil level due to fuel dilution.
SYMPTOMS
•
•
•
•
•
Loss of power
Excessive regens
Unable to regen
Rise in oil level
High exhaust back pressure
POSSIBLE DIAGNOSTIC TROUBLE CODES
DTC
MODULE DESCRIPTION
2352
EBP above desired level
SERVICE PROCEDURE
WARNING:
To prevent unexpected movement of the vehicle and possible serious personal injury or death, park the vehicle on a flat,
level surface, set the parking brake, turn the engine off and chock the wheels to prevent vehicle from moving in both
directions.
WARNING:
To avoid personal injury from the muffler and exhaust system allow the vehicle to cool sufficiently before
servicing the muffler and exhaust system.
Maintain adequate clearance between all parts of the exhaust system and all hoses, wires and lines for
engine cooling, brake system, fuel system, power steering system and electrical system. Ensure that all
components near the exhaust system are free of oil or other flammable debris. If the heat from DOC
cleaning accumulates to certain amount near the exhaust system, it may set nearby items on fire and
result in property damage, personal injury or death.
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IK1200478 On vehicle DOC Cleaning MaxxForce® 7 Engines
Page 2 of 13
1.
Remove the three M10 X 50 flange bolts at the rear of the DPF.
2. Insert Restrictor plate torque bolts to 40 lbfft. (School Bus and horizontal tailpipe only) See Photo 1
Photo 1 - Restrictor Installed - Horizontal Exhaust
1. Restrictor Tool
2. EGDP Hose Plug
3. EGDP Hose Plug
3. For Vertical Exhaust install Restrictor Cap as shown in Photo 2 - Tighten clamps bolts to 60 ft. lbs.
CAUTION :
UPDATE! A tool modification kit for ZTSE6031 was shipped to all dealers in May 2011. ZTSE6031 should
ONLY be used AFTER this modification has been completed.
Additional information- https://evalue.internationaldelivers.com/service/sfnpdf/IT11-126.pdf
and https://evalue.internationaldelivers.com/service/sfns/sfn1042_1.xml
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IK1200478 On vehicle DOC Cleaning MaxxForce® 7 Engines
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Photo 2 - Vertical Exhaust Restrictor- Chain must be taut and
securely attached at the bottom
4. Disconnect both the EGDP tubes from the rubber hose at the EGDP Sensor
5. Install the 2 EGDP Plugs and hoses supplied with tool kit. See Photo 3
Photo 3 - EGDP Plugs and Hoses Installed on Steel EGDP Tubes
1. EGDP Plug
2. EGDP Plug
3. Original hoses to EGDP Sensor disconnected
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IK1200478 On vehicle DOC Cleaning MaxxForce® 7 Engines
Page 4 of 13
6. Move vehicle outside and away from activity.
7. Ensure Parking Brake is set.
8. Open hood
WARNING:
To To prevent unexpected movement of the vehicle and possible serious personal injury or death, park the
vehicle on a flat, level surface, set the parking brake, turn the engine off and chock the wheels to prevent
vehicle from moving in both directions.
WARNING:
Open hood during on‐vehicle DOC cleaning. This can greatly reduce the effects of heat on hoses, wiring and other
components near the exhaust system. If the heat from DOC cleaning accumulates to certain amount near the exhaust
system, it may set nearby items on fire and result in property damage, personal injury or death
9. Connect ServiceMaxx and Key On
10. ServiceMaxx menu click “Procedures “
9.
11. Scroll down to Aftertreatment Procedures than click "DOC Cleaning procedure." See Below
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IK1200478 On vehicle DOC Cleaning MaxxForce® 7 Engines
Page 5 of 13
12. ServiceMaxx will now load parameters required to run the procedure. This may take a few moments.
Note: During steps 10-11 of the procedure if the message displayed below appears there is a customer password present in this vehicle.
You will need the customer password to move forward. Change the password (parameter 87002) to 0000, run the procedure and then program
the customer password back into the engine when the procedure is complete. If the customer password is unavailable please contact tech central.
13. DTC 2352 and 1213 may set ignore these DTC codes.
14. After Reading the Pre-test information click "Ok". See below
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IK1200478 On vehicle DOC Cleaning MaxxForce® 7 Engines
Page 6 of 13
15. Start engine when prompted.
16. Click "Ok" after engine is running.
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IK1200478 On vehicle DOC Cleaning MaxxForce® 7 Engines
Page 7 of 13
17. The cleaning procedure will now start, engine RPM increases automatically and will return to idle automatically after cleaning process
has been completed. Procedure will run approximately 5 minutes after EGT 1 and EGT 2 reach 800 degrees..
Note : Procedure can be aborted at any time by touching any pedal.
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IK1200478 On vehicle DOC Cleaning MaxxForce® 7 Engines
Page 8 of 13
18. Allow engine to remain at idle until prompted to turn engine off.
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IK1200478 On vehicle DOC Cleaning MaxxForce® 7 Engines
Page 9 of 13
19. Leave engine off and click "Ok".
20. Turn Key On but leave engine off when prompted.
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IK1200478 On vehicle DOC Cleaning MaxxForce® 7 Engines
Page 10 of 13
21. Click "Ok".
22. ServiceMaxx will now Change back the original parameters and clear the codes.
23. ServiceMax will automatically save a Snap Shot that needs to be attached to the case file.
24.Click "Ok".
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IK1200478 On vehicle DOC Cleaning MaxxForce® 7 Engines
Page 11 of 13
25. The cleaning procedure has been successfully performed with the "DOC Cleaned" prompt.
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IK1200478 On vehicle DOC Cleaning MaxxForce® 7 Engines
Page 12 of 13
26. Click "Ok".
27. Verify codes have been cleared.
28.ServiceMaxx can now be disconnected hood closed and unit moved back in building.
WARNING:
Exhaust will be very hot and care should be taken to prevent injury during the following steps. Wear Heat protective gloves.
29. Remove restrictor plate or cap
30. If the retrictor plate was used Inspect the gasket and reuse if possible.
31. Reinstall bolts, Torque bolts to 45 lbfft.
32. Remove EGDP Plug.
33. Reconnect EGDP hoses to tubes.
Note:
After Running the DOC Cleaning Procedure, fault code1213 Remote Throttle Signal Out-of Range may become active.
DTC
MODULE
DESCRIPTION
1213
Remote Throttle Signal Out-of-Range
RESOLUTION
Connect with Service Maxx, set ECM parameter 75001 to 2, In Cab Operation only.
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IK1200478 On vehicle DOC Cleaning MaxxForce® 7 Engines
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Copyright © 2014 Navistar
, Inc.
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TSB/Document ID: IK1200478
Replacement Service Bulletin Number:
MFR Communication Date: 2014-02-12
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MFR Component System:
MFR Component Subsystem:
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