CMS-Japanese Motorcycle Supply Parts


Guide for changing the engine oil and filter on a Subaru Liberty or Legacy 3rd Gen - 1998 to 2004


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So you have jacked your Subaru Liberty or Legacy up and taken off the cover on the underside:

Here's a how to guide for changing the engine oil and oil filter on a Subary Liberty Legacy 3rd generation - 1998, 1999, 2000, 2001, 2002, 2003, 2004 with the EJ25 2.5L four cylinder boxer engine, as shown on MotoFaction.org.

The sump plug should be clearly visible on the bottom of the engine sump:

Here's a how to guide for changing the engine oil and oil filter on a Subary Liberty Legacy 3rd generation - 1998, 1999, 2000, 2001, 2002, 2003, 2004 with the EJ25 2.5L four cylinder boxer engine, as shown on MotoFaction.org.

It takes a 17mm socket:

Here's a how to guide for changing the engine oil and oil filter on a Subary Liberty Legacy 3rd generation - 1998, 1999, 2000, 2001, 2002, 2003, 2004 with the EJ25 2.5L four cylinder boxer engine, as shown on MotoFaction.org.

Position your drain pan underneath the motor - remembering that the oil is going to be hot and it will come out at an angle initially and then fall straight down as it empties. Loosen the drain plug and carefully remove it - don't burn yourself on either the oil or the exhaust pipe:

Here's a how to guide for changing the engine oil and oil filter on a Subary Liberty Legacy 3rd generation - 1998, 1999, 2000, 2001, 2002, 2003, 2004 with the EJ25 2.5L four cylinder boxer engine, as shown on MotoFaction.org.

Here's a how to guide for changing the engine oil and oil filter on a Subary Liberty Legacy 3rd generation - 1998, 1999, 2000, 2001, 2002, 2003, 2004 with the EJ25 2.5L four cylinder boxer engine, as shown on MotoFaction.org.

If you loosen the oil filler cap you will find that the oil will drain more quickly. Leave it for 5 minutes and the flow should have stopped dripping. At this point grab a fresh crush washer:

Here's a how to guide for changing the engine oil and oil filter on a Subary Liberty Legacy 3rd generation - 1998, 1999, 2000, 2001, 2002, 2003, 2004 with the EJ25 2.5L four cylinder boxer engine, as shown on MotoFaction.org.

Part number 11126AA000 (eBay US, eBay CA, eBay UK, eBay AU, Amazon). Even in Oz they're $2.50 from a dealer (at the time of writing which was pre-COVID) so there isn't much of an excuse not to use a new one! If for some reason you need a new sump plug it's part number 807020010 or 807020070 (eBay US, eBay CA, eBay UK, eBay AU, Amazon). Apply the new crush washer to the sump plug, making sure that the old crush washer has been removed, clean the area of any old oil and hand-tighten the sump plug in place. Grab your torque wrench and tighten the bolt to 44 Nm:

Here's a how to guide for changing the engine oil and oil filter on a Subary Liberty Legacy 3rd generation - 1998, 1999, 2000, 2001, 2002, 2003, 2004 with the EJ25 2.5L four cylinder boxer engine, as shown on MotoFaction.org.

Now position the drain pan underneath the oil filter and loosen it - being careful not to burn yourself on the nearby exhaust pipes:

Here's a how to guide for changing the engine oil and oil filter on a Subary Liberty Legacy 3rd generation - 1998, 1999, 2000, 2001, 2002, 2003, 2004 with the EJ25 2.5L four cylinder boxer engine, as shown on MotoFaction.org.

Here's a how to guide for changing the engine oil and oil filter on a Subary Liberty Legacy 3rd generation - 1998, 1999, 2000, 2001, 2002, 2003, 2004 with the EJ25 2.5L four cylinder boxer engine, as shown on MotoFaction.org.

Here we are using one of our favourite oil filter wrench tools - the 3-jaw type (eBay US, eBay CA, eBay UK, eBay AU, Amazon). Depending on how tightly the previous person installed the filter and perhaps how long it has been (and how strong you are) you may not need a tool and will be able to unscrew it by hand. Filter removed:

Here's a how to guide for changing the engine oil and oil filter on a Subary Liberty Legacy 3rd generation - 1998, 1999, 2000, 2001, 2002, 2003, 2004 with the EJ25 2.5L four cylinder boxer engine, as shown on MotoFaction.org.

The new filter - chosen from the list of alternatives found here:

Here's a how to guide for changing the engine oil and oil filter on a Subary Liberty Legacy 3rd generation - 1998, 1999, 2000, 2001, 2002, 2003, 2004 with the EJ25 2.5L four cylinder boxer engine, as shown on MotoFaction.org.

Smear some fresh oil on the rubber seal and install it as tight as you can by hand.

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