Subaru Legacy BN/BS (2015-2019) Service Manual: Disassembly
1. Remove the chain cover securing bolt from the cylinder head LH.
2. Remove the stud bolts from the cylinder head.
3. Remove the valve collet, valve, valve spring retainer, valve spring and valve spring seat from the cylinder head RH. CAUTION: During work, place a waste cloth, etc. to avoid scratching the mating surface of the cylinder head RH. NOTE: • Mark each part to prevent confusion. • Keep all the removed parts in order for re-installing in their original positions. (1) Compress the valve spring and remove the valve collet using ST.
(2) Remove valve, valve spring retainer, valve spring and valve spring seat. 4. Remove the valve collet, valve, valve spring retainer, valve spring and valve spring seat from the cylinder head LH. 5. Remove the valve oil seals from valve guides of cylinder head RH. CAUTION: • During work, place a waste cloth, etc. to avoid scratching the mating surface of the cylinder head RH. • Use special care not to damage the cylinder head RH and guide during work. NOTE: For removal of valve guide, refer to INSPECTION. Cylinder Head > INSPECTION
6. For cylinder head LH, remove the valve oil seal in the same manner. |
Inspection
1. CYLINDER HEAD1. Visually inspect to make sure that there are no cracks, scratches or other damage.2. Use liquid penetrant tester on the important sections to check for fissures.3. Check that there ...
Engine assembly
...
Other materials:
Dtc p2273 o2 sensor signal biased/stuck rich bank 2 sensor 2
DTC DETECTING CONDITION:Detected when two consecutive driving cycles with fault occur.CAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION, and Inspection Mode Inspection Mode > PROCEDURE.WIRING DIAGRAM:• Engine Electrical System ENGINE T ...
