Ice and Snow Clogging of Evaporative System Hoses DTC P1449 – 2011-2016 Subaru Forester

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NHTSA ID Number: 10234271

Manufacturer Communication Number: 1112312

Summary

Ice and Snow Clogging of Evaporative System Hoses

 


NUMBER: 11-123-12
DATE: 12/03/12

APPLICABILITY: 2011MY and later Forester
SUBJECT: Ice and Snow Clogging of Evaporative System Hoses DTC P1449

 

INTRODUCTION

This Service Bulletin provides a repair method for DTC P1449 which can occur should ice and snow clog the evaporative emission system hoses and / or the drain separator.  Although this condition is rare, it can occur during heavy snow conditions when combined with extended periods of highway driving.  The repair involves removal of the drain separator and installation of an evaporative hose kit which prevents recurrence of the condition. Should DTC P1449 set at a time when snow and ice is not an issue, follow the diagnostic procedure for the code in the applicable Service Manual.

 

PARTS INFORMATION

Parts Kit, part no. 42009SC000, contents shown in Figure 1 below.

42009SC000

 

SERVICE PROCEDURE / INFORMATION

  • Remove the right rear tire and wheel assembly, mud flap (if equipped) and rear portion of the inner splash guard covering the filler neck.
  • Disconnect the drain separator shown in the photo below from the drain hose.
  • Remove and discard the drain separator and mounting bracket assembly.

drain separator and mounting bracket assemblyDrain Separator and Mounting Bracket

 

Use Figure 2 above as a reference when performing the following steps of the kit installationFigure 2

 

Use Figure 2 above as a reference when performing the following steps of the kit installation.

  • In place of the drain separator, connect the long end of the straight hose to the drain hose using a joint pipe.
  • Wrap a rubber sheet around the straight hose. Center the sheet on the white mark supplied on the straight hose then secure the hose to the fuel tank flange hole using one of the tie-wraps.
    (Extras of the rubber sheets are likely to be included in the kit.)
  • After wrapping the straight hose where indicated by the white marks and the filler pipe in the corresponding locations, secure the straight hose to the filler pipe as shown in Figure 2.
  • Connect the short end of the straight hose to the end of the shaped hose that is opposite of the location mark using the other joint pipe.
  • Wrap the connection (and the filler pipe) with a rubber sheet and secure it with a tie wrap as
    shown in Figure 3 below.

Rubber sheets secured with a tie-wrapFigure 3

 

  • Temporarily reinstall the splash guard and confirm there is no interference between any of the new hoses and other components. Reposition the hoses as needed for adequate clearance.
  • Complete the reinstallation of the splash guard, mud flap, and wheel assembly.
  • Clear the ECM memory to complete the repair.

 


1 Affected Product

Vehicle

MAKE MODEL YEAR
SUBARU FORESTER 2011

 


1 Associated Document

Manufacturer Communications

NUMBER: 11-123-12
DATE: 12/03/12

https://www.nhtsa.gov/recalls?nhtsaId=10234271

MC-10234271-9999.pdf 649.37KB

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NHTSA ID Number: 10065083

Manufacturer Communication Number: 11-123-12

Summary

SUMMARY TO BE PROVIDED ON A FUTURE DATE.

 

1 Associated Document

Service Bulletin Document

NUMBER: 11-123-12
DATE: 12/03/12

https://www.nhtsa.gov/recalls?nhtsaId=10065083

SB-10065083-5290.pdf 649.37KB

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  • 【EVAP Detection】American cars that began production in 1996 are equipped with EVAP service ports; in most American cars, the EVAP service port is usually located in the engine compartment, but the EVAP service port of some special models may be located in other locations. Open the plastic cover of the EVAP service port, then use the spool wrench to remove the check valve clockwise, then install the EVAP service port adapter, and introduce smoke from the port into the EVAP leak detection system.
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Last update on 2024-03-20 / Affiliate links / Images from Amazon Product Advertising API

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