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

Radiator cap inspection

1. Check that the radiator cap does not have deformation, cracks or damage.2. Attach the radiator cap tester to radiator cap.3. Check the maximum pressure while pumping the radiator cap tester several ...

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 ...

Other materials:

Dtc p0141 o2 sensor heater circuit bank 1 sensor 2
Refer to DTC P0037 for diagnostic procedure. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0037 A/F / O2 HEATER CONTROL CIRCUIT LOW BANK 1 SENSOR 21. OUTLINE OF DIAGNOSISDetect malfunction of the rear oxygen sensor heater.Judge as NG if it is determined that the rear oxygen sensor ...