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2021 Subaru Ascent Service and Repair Manual
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$49.99 USD
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Covers all 2021 Ascent trims — Premium Sport Utility 4-Door, Limited Sport Utility 4-Door, Convenience Sport Utility 4-Door +3 more ·
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Wiring diagrams & schematics
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2021 Subaru Ascent Service and Repair Manual
Regular price
$49.99 USD
Unit price
2021 Subaru Ascent service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical diagnostics with wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
Trims covered
- Premium Sport Utility 4-Door
- Limited Sport Utility 4-Door
- Convenience Sport Utility 4-Door
- Touring Sport Utility 4-Door
- Premier Sport Utility 4-Door
- Base Sport Utility 4-Door
Engines covered
- 2.4L 2387CC 146Cu. In. H4 GAS DOHC Turbocharged
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
Subaru of America, Inc. (Subaru) is recalling certain 2019-2022 Ascent vehicles. The ground bolt that secures the ground terminal of the Positive Temperature Coefficient (PTC) heater may have been im
Consequence
A melting ground terminal increases the risk of a fire.
Remedy
Owners are advised to park their vehicle away from structures and to avoid leaving the vehicle unatt
This Bulletin announces a correction to the diagnostic procedures for certain CVT related DTCs, including P0730, P0746, P0747, P0841, P0846, P0867, P1867, P1894, and P2723.
This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components (e.g. intake valves and / or manifold, and combustion chambers).
This bulletin announces a design change to the TR690 CVT control valve body which features an enhanced line pressure sensor O-ring, designed to prevent abnormal sensor readings caused by O-ring leakage.
This announcement provides information on the remanufactured CVT transmission program.
This bulletin announces the diagnostic procedures to be used when DTCs B1571(REFERENCE CODE INCOMPATIBILITY IMMOBILIZER CM TO ECM) and B1572(IMM CIRCUIT EXCEPT ANTENNA CIRCUIT) are detected by Keyless Access with Push Button Start(KACM).
This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
This Bulletin provides the diagnostic procedures to be followed when addressing customer concerns of steering wheel/vehicle body vibration when driving at highway speeds when tire/wheel balance is suspected.
Showing the 8 most recent of 346 technical service bulletins on file with NHTSA.
The driver was driving into a parking lot preparing to park, when the vehicle accelerated and started going forward at a higher speed. The vehicle struck a parked vehicle, then travelled across the p
The driver was driving into a parking lot preparing to park, when the vehicle accelerated and started going forward at a higher speed. The vehicle struck a parked vehicle, then travelled across the p
The contact owns a 2021 Subaru Ascent. The contact stated that while making a left turn at approximately 5-10 MPH, another vehicle ran a red light and crashed into the front passenger's side bumper. T
The contact owns a 2021 Subaru Ascent. The contact stated that while the daughter was driving approximately 20 mph and making a slight right turn, the steering wheel did not respond and the vehicle dr
While driving my Subaru Ascent, a check engine warning light appeared on the dashboard. Shortly afterward, I noticed smoke coming from the engine compartment. I immediately pulled over and turned the
Showing the 5 most serious of 134 complaints filed with NHTSA.