When maintenance and service are required, it is recommended that all work be done by an authorized SUBARU dealer.
If you perform maintenance and service by yourself, you should familiarize yourself with the information provided in this section on general maintenance and service for your SUBARU.
Incorrect or incomplete service could cause improper or unsafe vehicle operation.
Any problems caused by improper maintenance and service performed by you are not eligible for warranty coverage.
WARNING
Remember that some of the materials in the vehicle may be hazardous if improperly used or handled, for example, battery acid.
This will cause a fire.
NOTE
SUBARU does not endorse the use of non-SUBARU approved flushing systems and strongly advises against performing these services on a SUBARU vehicle. Non-SUBARU approved flushing systems use chemicals and/or solvents which have not been tested or approved by SUBARU.
SUBARU warranties do not cover any part of the vehicle which is damaged by adding or applying chemicals and/or solvents other than those approved or recommended by SUBARU.
Maintenance schedule
Before checking or servicing in the engine compartmentDtc u0164 lost communication with hvac control module
INSTRUMENTATION/DRIVER INFO (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0164 LOST COMMUNICATION WITH HVAC CONTROL MODULEDetected when CAN data is not received from A/C CM.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE"> ...
Inspection
HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > CompressorINSPECTION1. MAGNET CLUTCH CLEARANCE INSPECTION1. Check the clearance of entire circumference around the drive plate and pulley.Specification:0.3 — 0.6 mm (0.0118 — 0.0236 in)2. Replace the compressor assembly if the inspection result is no ...
Brake system warning light
In the Subaru Ascent, the brake system warning light illuminates when the parking
brake is engaged while the ignition switch is in the "ON" position. This is a normal
operational indication. Once the parking brake is fully released, the light should
turn off immediately, confirming t ...