Subaru Legacy BN/BS (2015-2019) Service Manual: Ignition timing inspection
CAUTION: After warming-up, engine becomes very hot. Be careful not to burn yourself at measurement. 1. METHOD WITH SUBARU SELECT MONITOR 1. Before checking the ignition timing, check the following item: (1) Check the air cleaner element is free from clogging, spark plugs are in good condition, and hoses are connected properly. (2) Check the malfunction indicator light does not illuminate. 2. Warm up the engine. 3. Read the ignition timing using Subaru Select Monitor. Subaru Select Monitor > OPERATION NOTE: If ignition timing is out of standard, check the ignition control system. Refer to “Engine Control System”. Basic Diagnostic Procedure Ignition timing [BTDC/{r/min}]: Standard 15°±8°/700 2. METHOD WITH TIMING LIGHT 1. Before checking the ignition timing, check the following item: (1) Check the air cleaner element is free from clogging, spark plugs are in good condition, and hoses are connected properly. (2) Check the malfunction indicator light does not illuminate. 2. Warm up the engine. 3. Stop the engine, and turn the ignition switch to OFF. 4. Remove the collector cover. (1) Carefully pull up the rear of collector cover at two positions (A). (2) Carefully pull up the front of collector cover at two positions (B) while moving it forward.
5. Disconnect the ground terminal from battery sensor. NOTE 6. Remove the air intake duct. Air Intake Duct > REMOVAL 7. Remove the air cleaner case and the air cleaner element. Air Cleaner Case > REMOVAL Air Cleaner Element > REMOVAL 8. Connect the timing light to the power wire of #1 ignition coil. 9. Install the air cleaner case and the air cleaner element, and connect the connector of the mass air flow and intake air temperature sensor. Air Cleaner Case > INSTALLATION Air Cleaner Element > INSTALLATION 10. Connect the ground terminal to battery sensor. NOTE 11. Start the engine, turn the timing light to the crank pulley, and check the ignition timing through the chain cover gauge. NOTE: If ignition timing is out of standard, check the ignition control system. Refer to “Engine Control System”. Basic Diagnostic Procedure Ignition timing [BTDC/{r/min}]: Standard 15°±8°/700
12. After inspection, install the related parts in the reverse order of removal. |
Idle speed inspection
1. Before checking the idle speed, check the following item:(1) Check the air cleaner element is free from clogging, ignition timing is correct, spark plugs are in good condition, and hoses are connec ...
Intake and exhaust valve specification
Refer to “Cylinder Head” for removal and installation procedures of the intake and exhaust valves. Cylinder Head > REMOVAL Cylinder Head > INSTALLATION ...
Other materials:
Installation
1. Install the engine coolant hose to the EGR cooler.• CVT model• MT model2. Install the gasket (A) to the stud bolt.NOTE:Use a new gasket.3. Set the EGR cooler, and temporarily tighten the bolts securing the EGR cooler to the EGR control valve and cylinder head RH.NOTE:Use a new gasket. ...
