('03-'05) Oil Cooler pipe -corroded & leaking, replacement? - Subaru Forester Owners Forum
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post #1 of 10 (permalink) Old 04-21-2019, 04:53 PM Thread Starter
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Oil Cooler pipe -corroded & leaking, replacement?

Hey, I'm new to the forum and have had a look around but nothing has answered my question. I've got a 03 Forester and the oil cooler pipe is pretty corroded and leaking. I'm struggling to find one to replace it. Would there be any other option to fix this? Maybe just one piece of hose to connect it all together?

Thanks, Ben.

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post #2 of 10 (permalink) Old 04-21-2019, 07:26 PM
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@Ben Tipper I see this is your first forum post, so welcome to the forum from Oregon!

I suppose you could fabricate your own replacement using just hose or a combination of hose & pipe. You'd want to make sure it's secure & protected.

If you want to buy new, I'd recommend contacting Jackie, @SubaruPartsGirl here on the forum. She's a forum supporting vendor & a parts wiz! Her direct number at Annapolis Subaru is (866) 509-3019.

Tell her you're a forum member, as she gives forum members a discount!

Also...
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['07 FSXT MODding Journal] ['03 X MODding Journal]

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post #3 of 10 (permalink) Old 04-22-2019, 09:20 AM Thread Starter
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@2.5x_sleeper Thanks for the quick reply! From looking at that diagram its the water by-pass pipe I need to replace. I'll have a look at dimensions and see if i can make something up!
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post #4 of 10 (permalink) Old 04-22-2019, 06:34 PM
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@Ben Tipper Man, save the trouble and get the part from subaru. Its like $10, give or take $5. Mine had several areas of bubbling rust and I ordered a new one out. From some subaru parts place, but Jackie as noted can probably make you the same deal.
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post #5 of 10 (permalink) Old 04-23-2019, 08:08 PM Thread Starter
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Thanks for the reply! I was just panicking as every local store had nothing and I wanted to fix it ASAP. I've found a Subaru dealer not too far away and just waiting on a response from them! If not I'll probably have to order one from the States and leave the car on the drive for a week or two.
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post #6 of 10 (permalink) Old 04-23-2019, 08:20 PM
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Perhaps you could fabricate a hose to work until you can get the correct part?

Jackie, @SubaruPartsGirl ships world wide.

Bobby...

['07 FSXT MODding Journal] ['03 X MODding Journal]
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post #7 of 10 (permalink) Old 04-24-2019, 06:57 AM
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I just replaced mine for the same reason...turbo model so part number was different for me. Here's yours.

Pipe: 21328AA090 1x
WP Hose: 807611131 1x
OC Hose: 807611100 1x

Clamps are probably 805918010 4x

Not sure though I can't find the part number for the clamps...but that's what mine were.
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post #8 of 10 (permalink) Old 04-24-2019, 07:27 AM
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@Ben Tipper ,

Since you are in Squamish, BC, I would suggest that if you are confident in your mechanical skills, you might want to attempt this repair yourself instead of driving to the dealer. It is not that difficult and does not require any special tools. You mainly will need a 24mm socket to spin off the oil cooler, and some pliers to remove the rubber hoses. New oil and coolant since you will be draining out the oil and removing the oil filter. And coolant to replace what is lost when you remove that pipe/rubber hoses.

I should add, while your pulling off the oil cooler, you should replace that rubber gasket for the oil cooler as it is known to leak after a while.

Last edited by bman400; 04-24-2019 at 07:32 AM.
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post #9 of 10 (permalink) Old 04-24-2019, 07:31 AM
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There's no need to remove the oil cooler. Just unclamp both hoses, unbolt the single bolt that holds on the pipe and pull it.
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post #10 of 10 (permalink) Old 04-24-2019, 07:39 AM Thread Starter
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I will be fixing this myself, I am just going to a dealer for the part itself. Thanks for all the help everyone!

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