reparo em conector do do afc dos moteres max force nos veiculos da international em ingles

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Authorized Field Change AFC 11913R

Date: July, 2011

Subject File: ELECTRICAL

Subject: Nuisance Air Control Valve Diagnostic Codes on Certain Vehicles with MaxxForce 11/13 Engines

Model: PayStar

Start Date: March 4, 2010 End Date: March 30, 2011

Model: WorkStar


Model: TransStar


Model: ProStar


Engine Family: MaxxForce 11

Engine Family: MaxxForce 13

DESCRIPTION

Revision 1, 07/25/2011Added note to Parts Information table for obtaining epoxy through direct ship program.

This AFC applies to certain PayStar, WorkStar, TranStar, and ProStar trucks built with a MaxxForce

11 or 13, 2010 Emission Compliant Engine from March 4, 2010 to March 30, 2011. Air Control Valve(ACV) diagnostic codes can be caused by connector vibration, loose terminals, or terminal fretting. The

following procedure is intended to tighten the terminal connectors and secure the harness to prevent setting

nuisance ACV Diagnostic Trouble Codes (DTCs).

PARTS INFORMATION

Table 1 Parts Information

Part Number Description Quantity

Acquire locally* Loctite E-50CR (epoxy) As needed

Acquire locally* Dielectric Grease As needed

*If you are unable to obtain the epoxy or grease locally, the below options may be obtained through the

direct ship program.

LOC1079593, E-50CR(TM)HYSOL(R) Adhesive 400 ml

LOC1079594, E-50CR(TM)HYSOL(R) Adhesive 50 ml

LOC218312, Dual Cartridge Manual Applicator

LOC606052, 200/400 ML SQ Mix Nozzle 5.3

LOC720228, Dual Cartridge Manual Applicator

LOC778273, 50 ML SQ Mix Nozzle 16 Element

Copyright 2011 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.

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PROCEDURE

WARNING To prevent vehicle damage, personal injury, or death, park the vehicle on a flat,level surface. Make sure the engine ignition is in the off position, and the transmission is in the

neutral or park position (if the vehicle is equipped with an automatic transmission). Set the parkingbrake, block the wheels to prevent the vehicle from moving in both directions, and disconnect the

batteries at the negative terminal before doing any service procedures on the vehicle.

WARNING To prevent personal injury or death, remove ground cable from negative terminalof main battery before disconnecting electrical components. Always connect ground cable last.

WARNING To prevent personal injury or death, make sure that the engine has cooled before

removing components.

WARNING To prevent personal injury or death, always wear safe eye protection whenperforming vehicle maintenance.

WARNING To prevent personal injury or death, do not let engine fluids stay on your skin.

Clean skin and nails using hand cleaner and wash with soap and water. Wash or discard clothing

and rags contaminated with enginefl

uids.

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PROCEDURE (CONT.)

1. Repair the ACV connections (Figure 1) as follows:

A. Remove the connector insert (Figure 2).

B. Remove one terminal at a time and tighten the pin individually (Figure 3), before reinstalling

that terminal.

C. After all terminals are tightened, reinstall the connector insert; then, carefully add dielectric

grease to the connector terminals. Use enough grease to coat the terminals, and do not allowgrease to get on the outside of the connector body.

Figure 1 Location of air control valve and connector

1. Air control valve connector

2. Air control valve3. Front of engine

Figure 2 Removing the connector insert

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PROCEDURE (CONT.)

Figure 3 Tightening the ACV terminals

2. Reinstall the connector and test drive the vehicle to insure the terminals have been tightened properly. A2to3 mile test drive should be sufficient.

If any of the following ACV related, active DTCs (Table 2) are set during the test drive, one or moreconnector terminals are still too loose. Repeat Step 1 to make sure that the terminals are making

good contact. Then, repeat this step (Step 2).

If no ACV related, active DTCs are set during the test drive, proceed to Step 3.

Table 2

ACV Related Diagnostic Trouble Codes

SPN

102 5541

1173 5542

1188 5543

1189

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PROCEDURE (CONT.)

3. In order to secure the ACV connection, Loctite E-50CR epoxy must be applied to the connector bodyto prevent it from loosening.

A. Disconnect the connector from the ACV.

B. Thoroughly clean the ACV connector body surface.

C. Apply epoxy around the entire outer shell of the connector body (Figure 4). Be sure not to

get any epoxy onto the terminals.

D. Install the harness into the ACV connector, and push in the red lock.

Figure 4 Applying epoxy to the connector shell

4. Once the connector is installed and the epoxy is allowed to set, secure the harness with zip ties in thethree locations as shown in Figure 5.

Figure 5 Three zip tie locations

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Operation number must appear on all claims.

Table 3 Labor Information

Operation No. Description Time

A40-11913-1 Repair ACV Connections 0.6 hrs

Warranty Claims

Expense is to be charged to Warranty. Claims are to be submitted in the normal manner, making reference to

Authorized Field Change Number G-11913

It is important that the coding be completed properly to assist in processing the warranty claim. Complete

instructions will be found in the Warranty Manual, Section 7-1. Special attention should be given to Items 39

through 44.

To assure this important improvement is made in a timely manner, all claims for G-11913 activity must be

submitted by July 31, 2012 or within the normal warranty period for the vehicle, if after July 31, 2012.

AFC11913R 6

reparo em conector do do afc dos moteres max force nos veiculos da international em ingles

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