Service Manual Corrections (10-19-20)
Publication date: 2020-10-29Reference number: 10-19-20
SERVICE MANUAL CORRECTIONS
TECHNICAL SERVICE BULLETIN
Reference Number(s): 10-19-20, Date of Issue:
October 29, 2020
| SUBARU: | 2010-20 Legacy; 2009-20 Forester; 2019-21 Ascent; 2013-20 Impreza; 2017-20 Crosstrek; 2015-20 WRX/STI; 2013-20 BRZ |
APPLICABILITY
2010-20MY Legacy
2009-20MY Forester
2019-21MY Ascent
2013-20MY Impreza
2017-20MY Crosstrek
2015-20MY WRX/STI
2013-20MY BRZ
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 | MODEL | SECTION | SUB-SECTION | PAGE or CHAPTER | DESCRIPTION OF CHANGE |
|---|---|---|---|---|---|
| 2010 | Legacy | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2011 | Legacy | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2012 | Legacy | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2013 | Legacy | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed and added | ||||
| TCM >Installation | Some installation steps were changed and added | ||||
| 2014 | Legacy | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed and added | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2015 | Legacy | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2016 | Legacy | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2017 | Legacy | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2018 | Legacy | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2019 | Legacy | Brakes | Brake | Front Brake Pad >Installation | Some descriptions and illustrations were changed and added |
| Front Disc Brake Assembly > | Some descriptions and illustrations were changed and added | ||||
| General Description | Recommended Materials | >Grease | Recommended brake pad clip grease was changed | ||
| 2020 | Legacy | Brakes | Brake | Front Brake Pad >Installation | Some descriptions and illustrations were changed and added |
| Front Disc Brake Assembly > | Some descriptions and illustrations were changed and added | ||||
| General Description | Recommended Materials | >Grease | Recommended brake pad clip grease was changed | ||
| Transmission/Transaxle | CVT | Control Valve Body >Installation | Some installation steps were changed | ||
| TCM >Installation | Some installation steps were changed | ||||
| 2009 | Forester | Brake | BR | BR 39-41, 43 | Changes were made to the installation, inspection, and adjustment steps |
| 2010 | Forester | Brake | BR | BR 39-41, 43 | Changes were made to the installation, inspection, and adjustment steps |
| 2011 | Forester | Brake | BR | BR 40-42, 44 | Changes were made to the installation, inspection, and adjustment steps |
| 2012 | Forester | Brakes | Brake | Stop Light Switch >Installation >Inspection >Adjustment |
Descriptions were changed and added and an illustration was added |
| General Diagnostic Table >Inspection | Numbers 8 & 9 were added to the inspection table | ||||
| 2013 | Forester | Brakes | Brake | Stop Light Switch >Installation >Inspection >Adjustment |
Descriptions were changed and added and an illustration was added |
| General Diagnostic Table >Inspection | Numbers 8 & 9 were added to the inspection table | ||||
| 2014 | Forester | Transmission/Transaxle | CVT | Control Valve Body >Installation | Some installation steps were changed |
| TCM >Installation | Some installation steps were changed | ||||
| Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted | ||||
| 2015 | Forester | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed and deleted | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2016 | Forester | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed and deleted | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2017 | Forester | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation |
Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed and deleted | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2018 | Forester | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed and deleted | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2019 | Forester | General Description | Recommended Materials | >Grease | Recommended brake pad clip grease was changed |
| Brakes | Brake | Front Brake Pad >Installation | Some descriptions were changed and added and an illustration was added | ||
| Front Disc Brake Assembly > | Some descriptions were changed and added and an illustration was changed | ||||
| Stop Light Switch >Installation >Inspection >Adjustment |
Descriptions were changed and added and an illustration was added | ||||
| General Diagnostic Table inspection | Numbers 8 & 9 were added to the inspection table | ||||
| Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed | ||
| Control Valve Body >Installation | Some installation steps were changed | ||||
| TCM >Installation | Some installation steps were changed | ||||
| Body & Electrical/Wiring System | Seats | Seat Heater System >Inspection | Descriptions were changed and deleted in step one of the TT | ||
| 2020 | Forester | Brakes | Brake | Front Brake Pad >Installation | Some descriptions were changed and added and an illustration was added |
| Front Disc Brake Assembly > | Some descriptions were changed and added and an illustration was changed | ||||
| General Description | Recommended Materials | >Grease | Recommended brake pad clip grease was changed | ||
| Diagnostics | Tire Pressure Monitor | Data Monitor >List | Descriptions and illustrations were added | ||
| DTC >List | Descriptions were added | ||||
| Diagnostic Procerdure w/DTC >C2921 | The TT for C2921 was added | ||||
| 2019 | Ascent | Body & Electrical/Wiring System | Entertainment & Monitoring | Smart Rearview Mirror System >Inspection >Diag with Phenomenon | Basic inspection procedures were changed and deleted and a diagnostic procedure was added |
| Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed | ||
| Control Valve Body >Installation | Some installation steps were changed | ||||
| TCM >Installation | Some installation steps were changed | ||||
| Diagnostics | Tire Pressure Monitor | Data Monitor >List | Descriptions and illustrations were added | ||
| DTC >List | Descriptions were added | ||||
| 2019 | Ascent | Diagnostics | Tire Pressure Monitor | Diagnostic Procerdure w/DTC >C2921 | The TT for C2921 was added |
| Heater & Air Conditioner/Ventilator | Air Conditioner | General Description >Component | The rear component illustration was changed | ||
| Evaporator Sensor >Removal >Installation | Descriptions and illustrations were changed | ||||
| Heater and Cooling Unit >Removal >Installation | Descriptions were changed and added | ||||
| 2020 (continued) |
Ascent | Body & Electrical/Wiring System | Entertainment & Monitoring | Smart Rearview Mirror System inspection >Diag with Phenomenon | Basic inspection procedures were changed and deleted and a diagnostic procedure was added |
| Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed | ||
| Control Valve Body >Installation | Some installation steps were changed | ||||
| TCM >Installation | Some installation steps were changed | ||||
| Diagnostics | Tire Pressure Monitor | Data Monitor >List | Descriptions and illustrations were added | ||
| DTC >List | Descriptions were added | ||||
| Diagnostic Procerdure w/DTC >C2921 | The TT for C2921 was added | ||||
| 2020 | Ascent | Heater & Air Conditioner/Ventilator | Air Conditioner | General Description >Component | The rear component illustration was changed |
| Evaporator Sensor >Removal >Installation | Descriptions and illustrations were changed | ||||
| Heater and Cooling Unit >Removal >Installation | Descriptions were changed and added | ||||
| 2021 | Ascent | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed |
| Control Valve Body >Installation | Some installation steps were changed | ||||
| Heater & Air Conditioner/Ventilator | Air Conditioner | Evaporator Sensor >Removal >Installation | Descriptions and illustrations were changed and deleted | ||
| Diagnostics | Tire Pressure Monitor | Data Monitor >List | Descriptions and illustrations were added | ||
| Diagnostic Procerdure w/DTC >C2921 | The TT for C2921 was added | ||||
| 2012 | Impreza | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed and added | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2013 | Impreza | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed and added | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2014 | Impreza | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed and added | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2015 | Impreza | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2016 | Impreza | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2017 | Impreza | Brakes | Brake | General Description >Component | Illustrations were changed and descriptions were changed and added |
| Front Brake Pad >Installation | Some descriptions were changed and added and an illustration was added | ||||
| Front Disc Brake Assembly > | Some descriptions were changed and added | ||||
| Rear Brake Pad >Installation | Some descriptions were changed and added and an illustration was added | ||||
| Rear Disc Brake Assembly >Installation | Some descriptions were changed and added | ||||
| Stop Light Switch >Removal >Installation >Inspection >Adjustment |
Descriptions were changed and added and an illustration was added | ||||
| General Diagnostic Table >Inspection | Numbers 8 & 9 were added to the inspection table | ||||
| General Description | Recommended Materials | >Grease | Recommended brake pad clip grease was changed | ||
| Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed | ||
| Control Valve Body >Installation | Some installation steps were changed | ||||
| TCM >Installation | Some installation steps were changed | ||||
| Diagnostics | Tire Pressure Monitor | Data Monitor >List | Descriptions and illustrations were added | ||
| DTC >List | Descriptions were added | ||||
| Diagnostic Procerdure w/DTC >C2921 | The TT for C2921 was added | ||||
| 2017 | Crosstrek | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed |
| Control Valve Body >Installation | Some installation steps were changed | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2018 | Impreza/Crosstrek | Brakes | Brake | Front Brake Pad >Installation | Some descriptions were changed and added and an illustration was added |
| Front Disc Brake Assembly > | Some descriptions were changed and added | ||||
| Rear Brake Pad >Installation | Some descriptions were changed and added and an illustration was added | ||||
| Rear Disc Brake Assembly >Installation | Some descriptions were changed and added | ||||
| Stop Light Switch >Removal >Installation >Inspection >Adjustment |
Descriptions were changed and added and an illustration was added | ||||
| General Diagnostic Table >Inspection | Numbers 8 & 9 were added to the inspection table | ||||
| General Description | Recommended Materials | >Grease | Recommended brake pad clip grease was changed | ||
| Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed | ||
| Control Valve Body >Installation | Some installation steps were changed | ||||
| TCM >Installation | Some installation steps were changed | ||||
| Diagnostics | Tire Pressure Monitor | Data Monitor >List | Descriptions and illustrations were added | ||
| DTC >List | Descriptions were added | ||||
| Diagnostic Procerdure w/DTC >C2921 | The TT for C2921 was added | ||||
| 2019 (continued) | Impreza/Crosstrek | Brakes | Brake | Front Brake Pad >Installation | Some descriptions were changed and added and an illustration was added |
| Front Disc Brake Assembly > | Some descriptions were changed and added | ||||
| Rear Brake Pad >Installation | Some descriptions were changed and added and an illustration was added | ||||
| Rear Disc Brake Assembly >Installation | Some descriptions were changed and added | ||||
| Stop Light Switch >Removal >Installation >Inspection >Adjustment |
Descriptions were changed and added and an illustration was added | ||||
| General Diagnostic Table >Inspection | Numbers 8 & 9 were added to the inspection table | ||||
| General Description | Recommended Materials | >Grease | Recommended brake pad clip grease was changed | ||
| 2019 | Impreza/Crosstrek | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed |
| Control Valve Body >Installation | Some installation steps were changed | ||||
| TCM >Installation | Some installation steps were changed | ||||
| Diagnostics | Tire Pressure Monitor | Data Monitor >List | Descriptions and illustrations were added | ||
| DTC >List | Descriptions were added | ||||
| Diagnostic Procerdure w/DTC >C2921 | The TT for C2921 was added | ||||
| 2020 | Impreza/Crosstrek | Brakes | Brake | Front Brake Pad >Installation | Some descriptions were changed and added and an illustration was added |
| Brakes | Brake | Front Disc Brake Assembly > | Some descriptions were changed and added | ||
| Brakes | Brake | Rear Brake Pad >Installation | Some descriptions were changed and added and an illustration was added | ||
| Brakes | Brake | Rear Disc Brake Assembly >Installation | Some descriptions were changed and added | ||
| General Description | Recommended Materials | >Grease | Recommended brake pad clip grease was changed | ||
| Brakes | Brake | Stop Light Switch >Removal >Installation >Inspection >Adjustment |
Descriptions were changed and added and an illustration was added | ||
| Brakes | Brake | General Diagnostic Table >Inspection | Numbers 8 & 9 were added to the inspection table | ||
| Diagnostics | Tire Pressure Monitor | Data Monitor >List | Descriptions and illustrations were added | ||
| Diagnostics | Tire Pressure Monitor | DTC >List | Descriptions were added | ||
| Diagnostics | Tire Pressure Monitor | Diagnostic Procerdure w/DTC >C2921 | The TT for C2921 was added | ||
| Body & Electrical/Wiring System | Seats | Seat Heater System inspection | Descriptions were changed and deleted in step one of the TT | ||
| 2015 | WRX/STI | Brakes | Brake | Front Brake Pad >Installation | Some descriptions were changed and added and an illustration was added |
| Front Disc Brake Assembly > | Some descriptions were changed and added | ||||
| Rear Brake Pad >Installation | Some descriptions were changed and added and an illustration was added | ||||
| Rear Disc Brake Assembly >Installation | Some descriptions were changed and added | ||||
| General Description | Recommended Materials | >Grease | Recommended brake pad clip grease was changed | ||
| 2015 | WRX/STI | Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted |
| Control Valve Body >Installation | Some installation steps were changed and deleted | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2016 | WRX/STI | Brakes | Brake | Front Brake Pad >Installation | Some descriptions were changed and added and an illustration was added |
| Front Disc Brake Assembly > | Some descriptions were changed and added | ||||
| Rear Brake Pad >Installation | Some descriptions were changed and added and an illustration was added | ||||
| Rear Disc Brake Assembly >Installation | Some descriptions were changed and added | ||||
| General Description | Recommended Materials | >Grease | Recommended brake pad clip grease was changed | ||
| Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted | ||
| Control Valve Body >Installation | Some installation steps were changed and deleted | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2017 | WRX/STI | Brakes | Brake | Front Brake Pad >Installation | Some descriptions were changed and added and an illustration was added |
| Front Disc Brake Assembly > | Some descriptions were changed and added | ||||
| Rear Brake Pad >Installation | Some descriptions were changed and added and an illustration was added | ||||
| Rear Disc Brake Assembly >Installation | Some descriptions were changed and added | ||||
| General Description | Recommended Materials | >Grease | Recommended brake pad clip grease was changed | ||
| Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation |
Some installation steps were changed and deleted | ||
| Control Valve Body >Installation | Some installation steps were changed and deleted | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2018 | WRX/STI | Brakes | Brake | Front Brake Pad >Installation | Some descriptions were changed and added and an illustration was added |
| Front Disc Brake Assembly > | Some descriptions were changed and added | ||||
| Rear Brake Pad >Installation | Some descriptions were changed and added and an illustration was added | ||||
| Rear Disc Brake Assembly >Installation | Some descriptions were changed and added | ||||
| General Description | Recommended Materials | >Grease | Recommended brake pad clip grease was changed | ||
| Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted | ||
| Control Valve Body >Installation | Some installation steps were changed and deleted | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2019 | WRX/STI | Brakes | Brake | Front Brake Pad >Installation | Some descriptions were changed and added and an illustration was added |
| Front Disc Brake Assembly > | Some descriptions were changed and added | ||||
| Rear Brake Pad >Installation | Some descriptions were changed and added and an illustration was added | ||||
| Rear Disc Brake Assembly >Installation | Some descriptions were changed and added | ||||
| General Description | Recommended Materials | >Grease | Recommended brake pad clip grease was changed | ||
| Transmission/Transaxle | CVT | Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted | ||
| Control Valve Body >Installation | Some installation steps were changed and deleted | ||||
| TCM >Installation | Some installation steps were changed | ||||
| Automatic Transmission Assembly >Installation | Some installation steps were changed and deleted | ||||
| Control Valve Body >Installation | Some installation steps were changed and deleted | ||||
| TCM >Installation | Some installation steps were changed | ||||
| 2020 | WRX/STI | Brakes | Brake | Front Brake Pad >Installation | Some descriptions were changed and added and an illustration was added |
| Front Disc Brake Assembly > | Some descriptions were changed and added | ||||
| Rear Brake Pad >Installation | Some descriptions were changed and added and an illustration was added | ||||
| Rear Disc Brake Assembly >Installation | Some descriptions were changed and added | ||||
| General Description | Recommended Materials | >Grease | Recommended brake pad clip grease was changed | ||
| 2013 | BRZ | Recommended Materials | RM-4 | #7. Grease | Some grease specifications were changed and added |
| 2014 | BRZ | Recommended Materials | RM-4 | #7. Grease | Some grease specifications were changed and added |
| 2015 | BRZ | Recommended Materials | RM-4 | #7. Grease | Some grease specifications were changed and added |
| 2016 | BRZ | Recommended Materials | RM-4 | #7. Grease | Some grease specifications were changed and added |
| 2017 | BRZ | Recommended Materials | RM-4 | #7. Grease | Some grease specifications were changed and added |
| 2018 | BRZ | Recommended Materials | RM-4 | #7. Grease | Some grease specifications were changed and added |
| 2019 | BRZ | Recommended Materials | RM-4 | #7. Grease | Some grease specifications were changed and added |
| 2020 | BRZ | Recommended Materials | RM-4 | #7. Grease | Some grease specifications were changed and added |