Evaporator Core Drain / Water Sloshing Sound When Turning – 2019-2021 Subaru Forester

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NHTSA ID Number: 10203901

Manufacturer Communication Number: 10-103-21

Summary

This bulletin announces a design change made to the evaporator core insulation.

 


NUMBER: 10-103-21
DATE: 11/15/21

 

INTRODUCTION:

This bulletin announces a design change made to the evaporator core insulation.  A customer may experience a “water sloshing-type” sound when turning the vehicle with the blower motor and A/C system operating.  The new insulation has additional drainage to improve water flow. If the sound is duplicated, replace the insulation with the new part.

 

PRODUCTION CHANGE INFORMATION:

The production change information is TBD.

 

PART INFORMATION:

REMINDER: Always order the most up-to-date replacement parts based on the specific VIN being repaired.

Part Description Part Number
PACKING-EVAPORATOR CORE 72133FL061
SEAL O RING 73039AA080
SEAL O RING 73039AA100

 

SERVICE PROCEDURE / INFORMATION:

REMINDER:  Customer satisfaction and retention starts with performing quality repairs.

 

STEP 1)     The work procedure for removing and installing the evaporator has not changed. Refer to the applicable Subaru Service Manual: Heater & Air Conditioner/Ventilator > AIR CONDITIONER > Evaporator.

NOTES:

  • Refer to the applicable Service Manual and review: General Description > Repair Contents > Action required before & after Battery Disconnect. Additionally, record any stored seat position(s) before proceeding.  Always relearn any seat position memory after work is complete.  If the power rear gate (PRG) height has been customized, the position must also be noted and relearned.
  • As with any repair to the A/C system, confirm proper A/C performance as per the applicable Service Manual before and after any repair is made.

 

STEP 2) Submerge the insulated portions of the evaporator into a suitable container of water. A five gallon bucket or storage bin can be used. Make sure the evaporator insulation is fully submerged for 5 minutes. This will allow the adhesive to soften. DO NOT let any water enter the evaporator.

 

STEP 3) Remove the evaporator from the water after 5 minutes.

 

STEP 4) CAREFULLY remove the evaporator core insulation. Any remaining residue from the original adhesive is acceptable once it is completely dry.

IMPORTANT NOTE: The connector insulation is overlapped by the evaporator core insulation. Use CAUTION when working in this area so the connection insulation is not damaged.

 

STEP 5) Install the new evaporator core insulation onto the evaporator.

 

  • Start from the connector insulation side of the evaporator top surface. Make sure the insulation is center aligned with the evaporator.

 

  • Continue wrapping the insulation around the side surface of the evaporator while maintaining a center aligned installation.

 

  • Continue wrapping the insulation to the bottom surface of the evaporator. Align the surface edge of the evaporator with the edge of the insulation. The grooved edge portions of the insulation should line up with the 5th row of fins on the evaporator at both ends.

 

  • Continue wrapping the insulation to the pipe side surface of the evaporator. Be sure to align the insulation centered onto the evaporator.  Tuck the end portion of the insulation under the connector insulation as shown below.

 

IMPORTANT NOTE: Make sure the lead wire is routed toward the end between the connector insulation and the evaporator insulation.

 

STEP 6) Reinstall the evaporator. Refer to the applicable Subaru Service Manual: Heater & Air Conditioner/Ventilator > AIR CONDITIONER > Evaporator.

 

IMPORTANT NOTE: Whenever reconnecting the ground cable terminal to the battery sensor, torque to 7.5Nm (5.5ft.-lbs. or 66inch-lbs.) while supporting the sensor with the other hand as outlined in the applicable Service Manual under: STARTING/CHARGING SYSTEMS > Battery Sensor.

 


3 Affected Products

Vehicle

MAKE MODEL YEAR
SUBARU FORESTER 2019-2021

 


1 Associated Document

Manufacturer Communications

NUMBER: 10-103-21
DATE: 11/15/21

https://www.nhtsa.gov/recalls?nhtsaId=10203901

MC-10203901-0001.pdf 1938.15KB

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