For the checking, adding and replacing procedure or other details, refer to "Engine oil" F11-8.
NOTE
The procedure for changing the engine oil and oil filter should be performed by a properly-trained expert. It is recommended that you have this service performed by your SUBARU dealer.
Approved engine oil
Always use the SUBARU approved engine oil. For further details, please contact your SUBARU dealer.
If the approved engine oil is unavailable, use the alternative engine oil described on the next page.
Alternative engine oil
If the SUBARU approved oil is unavailable, the following alternative oil can be used.
NOTE
Each quantity indicated here is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other factors.
| Oil grade | SAE viscosity No. and applicable temperature | Engine oil capacity | ||
![]() API (American Petroleum Institute) classification SN with the words "RESOURCE CONSERVING" |
or | ![]() ILSAC (International Lubricant Specification Advisory Committee) GF-5, which can be identified with the ILSAC certification mark (Starburst mark) |
0W-20 synthetic oil is the required oil
for optimum engine performance and
protection. Conventional oil may be
used if synthetic oil is unavailable.
*: If 0W-20 synthetic oil is not available,
5W-30 or 5W-40 conventional oil may
be used if replenishment is needed but
should be changed to 0W-20 synthetic
oil at the next oil change. |
Adding the oil from low level to
full level:
1.1 US qt (1.0 liter, 0.9 Imp qt) Changing the oil and oil filter: 5.1 US qt (4.8 liters, 4.2 Imp qt) |
Specifications
Manual transmission, front differential and rear differential gear oilInspection
ENGINE (DIAGNOSTICS)(H4DO) > General DescriptionINSPECTIONBefore performing diagnostics, check the following item which might affect engine problems.1. BATTERY1. Check the battery. Battery > INSPECTION">2. Check the condition of the main and other fuses, and harnesses and connectors. ...
Preparation tool
REAR SUSPENSION > General DescriptionPREPARATION TOOL1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS20099PA010INSTALLER & REMOVER• Used for replacing the bushing A - trailing link of the housing assembly - rear axle.• Used together with BUSHING REMOVER (20099FG000).20099F ...
SRS airbag system servicing
WARNING
When disposing of an airbag module or scrapping a Subaru Ascent that
has been involved in a collision, always consult an authorized SUBARU dealer
to ensure safe handling and disposal.
The Subaru Ascent SRS airbag system contains no user-serviceable components.
Never attempt to ...