18-216-21

ATTENTION:
GENERAL MANAGER
q
PARTS MANAGER
q
CLAIMS PERSONNEL
q
IMPORTANT - All
Service Personnel
Should Read and
Initial in the boxes
provided, right.
SERVICE MANAGER
q
© 2021 Subaru of America, Inc. All rights reserved.
SERVICE BULLETIN
APPLICABILITY:
SUBJECT:
2010- 2021 Forester
Service Manual Corrections
NUMBER:
DATE:
18-216-21
08/23/21
INTRODUCTION
The purpose of this bulletin is to provide a description of current changes to Service Manuals
available via the Subaru Technical Information System (STIS) web site. The tables contained within
this bulletin are to be used as guides for becoming aware of the latest changes. We advise you to
always refer to the STIS web site when looking for the latest Service information. Printed pages will
not be made available to update printed Service Manuals.
Paper manuals may have different page numbering then what is reflected below, based on
multiple new and revised pages. Please refer to the information contained on the STIS web site
for all future, update service manual information.
YEAR
2010
2011
2012
MODEL
Forester
Forester
Forester
SECTION
SUB-SECTION
PAGE or
CHAPTER
DESCRIPTION OF CHANGE
FU(H4SO)
FU(H4SO)
14,15
Inspection notes were added and
instructions were changed
FU(H4DOTC)
FU(H4DOTC)
16, 17
Inspection notes were added and
instructions were changed
SP(H4SO)
SP(H4SO)
5
A note was added
FU(H4SO)
FU(H4SO)
18 & 20
Inspection notes were added and
instructions were changed
FU(H4DOTC)
FU(H4DOTC)
17, 18
Inspection notes were added and
instructions were changed
SP(H4SO)
SP(H4SO)
7
A note was added
Fuel Injection
Throttle Body
>Inspection
>Throttle Sensor
Inspection notes were added and
instructions were changed
Speed Control Systems
Accelerator Pedal
>Inspection
>Check
Accelerator Pedal
Sensor Area
A note was added
Engine
CAUTION: VEHICLE SERVICING PERFORMED BY UNTRAINED PERSONS COULD
RESULT IN SERIOUS INJURY TO THOSE PERSONS OR TO OTHERS.
Subaru Service Bulletins are intended for use by professional technicians ONLY. They
are written to inform those technicians of conditions that may occur in some vehicles,
or to provide information that could assist in the proper servicing of the vehicle. Properly
trained technicians have the equipment, tools, safety instructions, and know-how to
do the job correctly and safely. If a condition is described, DO NOT assume that this
Service Bulletin applies to your vehicle, or that your vehicle will have that condition.
SUBARU OF AMERICA, INC. IS
ISO 14001 COMPLIANT
ISO 14001 is the international standard
for
excellence
in
Environmental
Management Systems. Please recycle
or dispose of automotive products in a
manner that is friendly to our environment
and in accordance with all local, state
and federal laws and regulations.
Continued...
Bulletin Number: 18-216-21; Date: 08/23/21
Page 1 of 4
YEAR
2013
2014
2015
2016
2017
MODEL
Forester
Forester
SUB-SECTION
PAGE or
CHAPTER
DESCRIPTION OF CHANGE
Fuel Injection
Throttle Body
>Inspection
>Throttle Sensor
Inspection notes were added and
instructions were changed
Speed Control Systems
Accelerator Pedal
>Inspection
>Check
Accelerator Pedal
Sensor Area
A note was added
Airbag System
& Seat Belt
System
Airbag System
Roll Connector
>Adjustment
The adjustment procedures were
changed
Brakes
Brake
Master Cylinder
>Installation
The master cylinder installation
procedure was changed
Master Cylinder
>Installation
The master cylinder installation
procedure was changed
Brake Booster
>Installation
The brake booster installation
procedure was changed
A note about the secret code was
added
SECTION
Engine
Forester
Brakes
Security & Locks
Forester
Body &
Electrical/ Wiring
System
Function Setting
>Procedure
>Stopping KAS
Function by Using
Access Key
Brakes
Brake
Master Cylinder
>Installation
The master cylinder installation
procedure was changed
Body & Electrical/
Wiring System
Security & Locks
Function Setting
>Procedure
>Stopping KAS
Function by Using
Access Key
A note about the secret code was
added
Brakes
Brake
Master Cylinder
>Installation
The master cylinder installation
procedure was changed
Security & Locks
Function Setting
>Procedure
>Stopping KAS
Function by Using
Access Key
A note about the secret code was
added
Master Cylinder
>Installation
The master cylinder installation
procedure was changed
Brake Booster
>Installation
The brake booster installation
procedure was changed
Stop Light Switch
>Installation
>Inspection
>Adjustment
Installation, Inspection, and Adjustment
procedures were changed
Forester
Body & Electrical/
Wiring System
2018
Brake
Forester
Brakes
Brake
Continued...
Bulletin Number: 18-216-21; Date: 08/23/21
Page 2 of 4
YEAR
MODEL
SECTION
SUB-SECTION
PAGE or
CHAPTER
DESCRIPTION OF CHANGE
Power Seat Memory Diag
Control Module
I/O >Electrical
Specification
>Power Seat &
Memory Control
Mirror CM
A note was changed in the Electrical
Specification table
Engine
Diagnostic
Procedure w/ DTC
>P26A3
Chnages were made to the TT
procedure
Cooling
Thermo Control
Valve Assembly
>Inspection
>Check Thermo
Valve Assy
The TT was changed
Security & Locks
Function Setting
>Procedure
>Stopping
KAS Function
by Door Open/
Close Procedure
>Stopping KAS
Function by Using
Access Key
Changes were made to the door open
close procedure and a note about the
secret code was added
General Description
>Component
>Rear Gate
Garnish
The rear gate illustrations were
changed
Rear Gate Garnish
>Replacement
>Protector Upr
The Protector Upper removal procedure
was changed
Data Monitor >List
SRH Setup Status was added to the list
Diagnostics w/
Phenomenon
>Inspection >The
Auto Headlight
Beam Leveler Does
Not Operate
A step was removed from the TT
Master Cylinder
>Installation
The master cylinder installation
procedure was changed
Brake Booster
>Installation
The brake booster installation
procedure was changed
Front Suspension
General Description
>Component
>Front Suspension
The illustration and descriptions were
changed
Rear Suspension
General Description
The illustrations and descriptions were
>Component
changed
>Rear Suspension
Diagnostics
Engine
Body & Electrical/
Wiring System
2019
Forester
Exterior/ Interior Trim
Diagnostics
Brakes
Headlight/ Foglight Diag
Brake
Suspension
Continued...
Bulletin Number: 18-216-21; Date: 08/23/21
Page 3 of 4
YEAR
MODEL
SECTION
SUB-SECTION
PAGE or
CHAPTER
DESCRIPTION OF CHANGE
Power Seat Memory Diag
Control Module
I/O >Electrical
Specification
>Power Seat &
Memory Control
Mirror CM
A note was changed in the Electrical
Specification table
Engine
Diagnostic
Procedure w/ DTC
>P26A3
Chnages were made to the TT
procedure
Cooling
Thermo Control
Valve Assembly
>Inspection
>Check Thermo
Valve Assy
The TT was changed
Security & Locks
Function Setting
>Procedure
>Stopping KAS
Function by Using
Access Key
A note about the secret code was
added
General Description
>Component
>Rear Gate
Garnish
The rear gate illustrations were
changed
Rear Gate Garnish
>Replacement
>Protector Upr
The Protector Upper removal procedure
was changed
Data Monitor >List
SRH Setup Status was added to the list
Diagnostics w/
Phenomenon
>Inspection >The
Auto Headlight
Beam Leveler Does
Not Operate
A step was removed from the TT
Master Cylinder
>Installation
The master cylinder installation
procedure was changed
Brake Booster
>Installation
The brake booster installation
procedure was changed
Control Module
I/O >Electrical
Specification
>Power Seat &
Memory Control
Mirror CM
A note was changed in the Electrical
Specification table
Data Monitor >List
SRH Setup Status was added to the list
Diagnostics w/
Phenomenon
>Inspection >The
Auto Headlight
Beam Leveler Does
Not Operate
A step was removed from the TT
Diagnostics
Engine
2020
Forester
Body & Electrical/
Wiring System
Exterior/ Interior Trim
Diagnostics
Brakes
Headlight/ Foglight Diag
Brake
Power Seat Memory Diag
2021
Forester
Diagnostics
Headlight/ Foglight Diag
Bulletin Number: 18-216-21; Date: 08/23/21
Page 4 of 4