Subaru Legacy BN/BS (2015-2019) Service Manual: Removal
1. CYLINDER HEAD RH 1. Remove the engine from the vehicle. Engine Assembly > REMOVAL 2. Remove the intake manifold assembly. Intake Manifold Assembly > REMOVAL 3. Remove the engine wiring harness. Engine Wiring Harness > REMOVAL 4. Remove the chain cover. Chain Cover > REMOVAL 5. Remove the rocker cover RH. Rocker Cover > REMOVAL 6. Remove the cam carrier RH. Cam Carrier > REMOVAL 7. Remove the EGR cooler. EGR Cooler > REMOVAL 8. Loosen the bolts holding the cylinder head RH equally, a little at a time in numerical sequence as shown in the figure, and while leaving the cylinder head bolts (1) and (4) engaged by three or four threads, remove the other cylinder head bolts. NOTE: Leaving the cylinder head bolts (1) and (4) engaged by three or four threads prevents the cylinder head RH from falling.
9. While tapping the cylinder head RH with a plastic hammer, separate it from cylinder block RH. 10. Remove the bolts (1) and (4) to remove cylinder head RH. 11. Remove the cylinder head gasket RH. CAUTION: Be careful not to scratch the mating surface of cylinder head and cylinder block. 12. Remove the liquid gasket from cylinder head RH and cam carrier RH. 2. CYLINDER HEAD LH 1. Remove the engine from the vehicle. Engine Assembly > REMOVAL 2. Remove the intake manifold assembly. Intake Manifold Assembly > REMOVAL 3. Remove the engine wiring harness. Engine Wiring Harness > REMOVAL 4. Remove the chain cover. Chain Cover > REMOVAL 5. Remove the rocker cover LH. Rocker Cover > REMOVAL 6. Remove the cam carrier LH. Cam Carrier > REMOVAL 7. Remove the A/C compressor. Compressor > REMOVAL 8. Loosen the bolts holding the cylinder head LH equally, a little at a time in numerical sequence as shown in the figure, and while leaving the cylinder head bolts (1) and (4) engaged by three or four threads, remove the other cylinder head bolts. NOTE: Leaving the cylinder head bolts (1) and (4) engaged by three or four threads prevents the cylinder head LH from falling.
9. While tapping the cylinder head LH with a plastic hammer, separate it from cylinder block LH. 10. Remove the cylinder head bolts (1) and (4) to remove cylinder head LH. 11. Remove the cylinder head gasket LH. CAUTION: Be careful not to scratch the mating surface of cylinder head and cylinder block. 12. Remove the liquid gasket from cylinder head LH and cam carrier LH. |
Cylinder head
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Assembly
(1)Exhaust valve(6)Valve spring seat(11)Valve collet(2)Intake valve(7)Intake valve oil seal(12)Valve shim(3)Cylinder head(8)Exhaust valve oil seal(13)Roller rocker arm pivot(4)Intake valve guide(9)Val ...
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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 ...
