oil pumps?

greg donovan · Post by **greg donovan** » Mon Aug 31, 2009 5:32 am

i think the oilpump on my ej18 is on its way out. can i use oil pumps from other ej motors on it?

thanks

douglas vincent · Post by **douglas vincent** » Mon Aug 31, 2009 7:45 am

99.9% sure thats a yes

entirelyturbo · Post by **entirelyturbo** » Fri Sep 04, 2009 3:33 am

Basically. I know that EJ18s and early EJ22 NAs use the same pump.

In fact, the pump I rebuilt for my car is off the EJ18 motor I had.

BSOD2600 · Post by **BSOD2600** » Fri Sep 04, 2009 6:19 am

Curious, how'd you come to the conclusion the oil pump is going out?

93forestpearl · Post by **93forestpearl** » Fri Sep 04, 2009 9:12 am

For the pump itself to go out, it would be pretty nasty. A Subaru oil pump will keep pumping until the gears ripped themselves apart.

greg donovan · Post by **greg donovan** » Fri Sep 18, 2009 5:14 am

BSOD2600 wrote:Curious, how'd you come to the conclusion the oil pump is going out?

puking oil when i rev it hard for a while. if i drive it casually no leaking.

however, i am now pretty sure the pump is fine but just needs some screws inside tightened up and loctited so that it stops pushing oil past the crank seal.

Matt Monson · Post by **Matt Monson** » Tue Sep 22, 2009 2:28 pm

Greg,
That's probably got a 7mm pump on it. You can upgrade it to either a 9mm NA Ej25 pump or a 10mm Ej205 pump. All oil pumps are interchangeable. I run the 10mm on my 2.5RS.

jaybirde508 · Post by **jaybirde508** » Fri Oct 09, 2009 7:04 pm

Greg,
That is a very common issue with the ej engine the bolts/screws backing out on the rotor case/backing plate working there way loose due to vibrations & causing a leak from nowhere?

Great job ,you called it!

Jay

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oil pumps?

oil pumps?

Pump case blots