1. Remove the front lower arm from the vehicle..
2. Inspect the arm for bending or damage, and the ball joint for excessive looseness.
If there is any malfunction, replace the front lower arm.
3. Rotate the ball joint stud 5 times
. Install the SST
to the ball joint stud, measure the rotational torque using a pull scale.

If not within the specification, replace the front lower arm.
1.0—4.9 N·m {11—49 kgf·cm, 9—43 in·lbf}
Pull scale reading [10—49 N {1.1—4.9 kgf, 3—10 lbf}]
Front Suspension
Front Lower Arm Removal/InstallationOn/Off Solenoid Removal/Installation [Fw6 A EL]
WARNING:
A hot transaxle and ATF can cause severe burns. Turn off the engine and wait
until they are cool.
Always wear protective eye wear when using the air compressor. If the air
compressor is used, any particles of dirt or soiling could spatter and get into
the eyes.
...
Warm Up Three Way Catalytic Converter (Wu Twc) Inspection [Mzr 2.0, Mzr 2.5]
CAUTION:
Perform the following procedures, DTC P0421:00 is indicated only.
1. Connect the M-MDS to the DLC-2.
2. Start the engine and warm it up to normal operating temperature.
3. Turn off the engine.
4. Verify that the engine compression is within the specification..
...
Oil Control Valve (OCV) Removal/Installation [Skyactiv G 2.0]
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before servicing.
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the plug hole plate..
4. Remove the ignition coil/ion sensors..
5. Remove the cyli ...