It may be difficult to replace the spark plugs. It is recommended that you have the spark plugs replaced by your SUBARU dealer.
The spark plugs should be replaced according to the maintenance schedule in the "Warranty and Maintenance Booklet".
CAUTION
Make sure the cables are replaced in the correct order.
Recommended spark plugs
For the recommended spark plugs, refer to "Electrical system" F12-7.
Air cleaner element
Drive beltsInspection
COOLING(H4DO) > RadiatorINSPECTION1. Check that the radiator does not have deformation, cracks or damage.2. Check that the hose has no cracks, damage or loose part.3. Remove the radiator cap, fill the radiator with engine coolant, and then install the radiator cap tester to the filler neck of rad ...
Disassembly
DRIVE SHAFT SYSTEM > Rear Hub Unit BearingDISASSEMBLYUsing the ST or a hydraulic press, push out the hub bolt (b) from the rear hub unit bearing (a).CAUTION:• Be careful not to hammer the hub bolts. This may deform the hub unit bearing.• Do not reuse the hub bolt.NOTE:Since the rear h ...
Periodic inspections
To ensure that your Subaru Ascent remains in peak operating condition throughout
its service life, it is essential to strictly follow the recommended maintenance
schedule. All inspections and servicing procedures outlined in the "Warranty and
Maintenance Booklet" should be carried ou ...