Subaru Legacy BN/BS (2015-2019) Service Manual: Adjustment

Subaru Legacy BN/BS (2015-2019) Service Manual / Cooling(h4do) / Engine coolant / Adjustment

1. PROCEDURE TO ADJUST THE SUBARU SUPER COOLANT CONCENTRATION

CAUTION:

Use the SUBARU Super Coolant with a 50 — 60% concentration in order to obtain maximum anti-freeze and anti-rust performance.

To adjust the concentration of SUBARU Super Coolant according to temperature, find the proper SUBARU Super Coolant concentration in the table, and add dilution water to the SUBARU Super Coolant (concentrated type) until it reaches the proper dilution.

Relationship of SUBARU Super Coolant concentration and freezing temperature
SUBARU Super Coolant concentration	50%	55%	60%
Freezing temperature	−36°C (−33°F)	−41°C (−42°F)	−50°C (−58°F)

Engine coolant and diluting water:

Refer to “SPECIFICATION” for recommended engine coolant and diluting water. General Description > SPECIFICATION

Replacement

1. DRAINING OF ENGINE COOLANT1. Lift up the vehicle.2. Remove the under cover. Front Under Cover > REMOVAL3. Connect a hose with inner diameter of φ8 mm (0.315 in) to the drain outlet of the radi ...

Inspection

NOTE:When adding the engine coolant, always use SUBARU Super Coolant.1. Park the vehicle on a level surface.2. Check the engine coolant amount, and if the coolant level is low, check for the coolant l ...

Other materials:

Dtc p0072 ambient air temperature sensor circuit "a" low
DTC DETECTING CONDITION:Immediately at fault recognitionSTEPCHECKYESNO1.CHECK DTC.Check for DTC. Read Diagnostic Trouble Code (DTC)Is P0072 or P0073 displayed in «Present fault»- Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0072 AMBIENT AIR TEMPERATURE SENSOR CIRCUIT "A" LOWEven ...