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 Post subject: Golpher Radiator Install
PostPosted: Sun Nov 07, 2010 3:54 pm 
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I Say: Every time you yawn a ghost puts his dick in your mouth.
Vehicle: 2005 MY05 XT Lux

Posts: 4865
Location: SE Melbourne
This is my first DIY guide and first attempt at a radiator change. I hope this helps someone out.

A little while ago my drivers side top radiator hose decided to explode. So I took it to Subaru to fix. All good. Until a month or so later I could smell coolant again. I popped the bonnet and found the engine bay covered in nice green speckles. :( The culprit:

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So with recommendations from others I ordered a Golpher radiator from Michael Auto Parts for AUD$255 delivered to me in Melbourne. There website was down when I needed to order so I gave them a buzz on (02) 9709 8883. As of this writing their site is back up. I paid by PayPal and the radiator arrived within about a week.

You'll need to grab a few extra bits to complete the install. Coolant of course, I grabbed a 5 litre and 1 litre as extra. EDIT: maybe grab 10lt, to allow you to fill via the rad cap and top up the overflow. You'll also then have some spare. I had to get some more today to top up, also partly my fault as I left of the rad cap this morning after checking it. :oops: The fans are held on my 3 bolts, the OEM ones are self tappers with a wide thread whereas the Golpher requires normal bolts with a narrow thread. I picked p a pack of 8 M6x20 bolts from Bunnings for AUD$2.50. Also get some foam tape. I got mine from Clark Rubber and it's suitable for high temperature and solvants. Cost me ~AUD$11 for a meter.

The tools I used were a 12mm and 10mm socket with extension, phillips and flat head screwdriver.

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So today was a nice day, on with the install.

Make sure you have parked on a nice level area. Jack the front of your car up and rest it on some stands. Ensure your engine is cold, you don't want to burn yourself with hot coolant!

Remove your undertray if you have one. Mine was held in with 4 12mm bolts, 2 up front, 2 at the rear and 4 snap clips.

Now we want to drain the coolant. There's 2 ways you can go about it, slightly messy or really messy. The really messy way would be to remove the bottom hose from the passenger side of the radiator. The slightly messy way is to use the drain tap. I chose the slightly messy method.

Pop a bucket under the drivers side of the radiator and loosen the tap. You can put a host on the tap to try and guide the coolant into he bucket. This didn't seem to work too well for me as it seemed the coolant was coming out of the nozzle and the tap handle. Undo your radiator cap and let it drain. Mine took a while.
Tap:
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Radiator cap off. Dunno what that gunk is:
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Draining away:
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Once you coolant is fully drained, remove the radiator mounts and hoses.

Radiator mounts off:
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Drivers side hoses off:
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Overflow hose removed:
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At this stage I lifted the radiator on the passenger side to drain more coolant.

Now you need to unplug the power cables that connect to the fans. There's one on the drivers side. You can reach down from the top to undo it. There's another on the passenger side that needs undoing from underneath. While you're under here detach the passenger side radiator hose. Careful you don't get covered in some left over coolant!

Drivers side power plug:
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Passenger side plug and radiator hose:
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Now you should be able to lift out your radiator. While it's out give the bay a little clean. Mine had coolant sprayed all in there.

Comparison of old and new. The Golpher is a bit thicker:
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Ooooh, shiney vs, blah dirty:
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Unscrew the three top screws holding the fans onto the original radiator. You can see here that they don't sit flush on the passenger side:
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So I used some of that foam to fill the gap:
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No more gap:
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It probably wouldn't matter too much if the gap was left but I had extra foam tape and it should help the cooling efficiency. Ensure your bolts are screwed in, not too tight so as not to crack the plastic.

Now drop the Golpher in. It took a little bit to get the pins to line up with the mounts at the bottom. Put the foam tap along the width of the front of the Golpher.

Image

Reattach the 4 hoses (Drivers x2, Passenger overflow, Passenger bottom radiator), connect the 2 fan power plugs, bolt in the top radiator mounts and put back on your undertray.

Now refill with coolant. This took a while too. Adding a bit till the reservoir was full then waiting for it to empty, repeat, squeeze the drivers side radiator hose "burping" it, repeat til it stays full. Fill the overflow. Replace radiator cap. Done! The owner manual says to run the engine for ~5mins at 2000-3000 rpm. So I did. I had my ScanGauge plugged in and watched the water temp. When it got to 92degrees the radiator fans kicked in. When it got to 97degrees they spun faster. Looks good :) All up it took me around 3 hours including pic taking, draining, refilling, etc.

Image

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Last edited by wrc-323 on Sun Nov 29, 2015 4:28 pm, edited 2 times in total.

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 Post subject: Re: Golpher Radiator Install
PostPosted: Sun Nov 07, 2010 4:00 pm 
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Vehicle: MY16 2.5i-S

Posts: 2134
Location: Carindale, BrisVegas
Great job! The Golpher rad is such a great upgrade option if you want to eliminate that plastic tank trouble.

One thing you might want to make note of too, is that the Golpher is available in a 26mm wide core, which is much thicker than the standard Subi rad. This will take in more coolant than what you removed from the old one, by how much I can't remember off the top of my head.


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 Post subject: Re: Golpher Radiator Install
PostPosted: Sun Nov 07, 2010 7:10 pm 
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I Say: lifes boring...without a forester!
Vehicle: SILVER MY07 XTL

Posts: 1463
Location: Quorrobolong, Hunter Valley
Awesome diy and thats a good price and it looks sweet aswell!!cheap bling IMO.

The gunk looks like oil.I've had a few turboed commodores and when the head gasket went the coolant had that gunk in it.which happened usually after it had got hot and either warped the head or broke a gasket?

Just a theory I'm not a mechanic

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 Post subject: Re: Golpher Radiator Install
PostPosted: Mon Nov 08, 2010 2:15 pm 
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I Say: Back in the Game.
Vehicle: Blue MY16 Ts Sti foz

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Location: Sydney NSW
Great work, very handy!

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 Post subject: Re: Golpher Radiator Install
PostPosted: Mon Nov 08, 2010 2:44 pm 
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Thanks! :thumbs:

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 Post subject: Re: Golpher Radiator Install
PostPosted: Mon Nov 08, 2010 2:54 pm 
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Vehicle: MY08 XTL

Posts: 4030
Location: Sydney/Central Coast, NSW
nice work! hope i dont have to use it though! :lol:

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 Post subject: Re: Golpher Radiator Install
PostPosted: Mon Nov 08, 2010 11:27 pm 
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I Say: Go Hard Keyboard Warriors !!
Vehicle: Subaru フォレスターSTI 04 SG9

Posts: 3784
Location: Mackay, QLD
gtjoker wrote:
Awesome diy and thats a good price and it looks sweet aswell!!cheap bling IMO.

The gunk looks like oil.I've had a few turboed commodores and when the head gasket went the coolant had that gunk in it.which happened usually after it had got hot and either warped the head or broke a gasket?

Just a theory I'm not a mechanic


Yeah, get this checked out, could become alot more expensive...

Radiator shops have a pH type paper they use to check for CO2 in the Coolant. This can indicate Head Gasket Issues

Keep an eye on it

p.s - Nice Detailed DIY

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 Post subject: Re: Golpher Radiator Install
PostPosted: Mon Nov 08, 2010 11:33 pm 
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Vehicle: 2000 S/tb STI

Posts: 8867
Location: Wynnum, QLD
Radiator looks awesome! gunk not so awesome :( could be a head gasket


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 Post subject: Re: Golpher Radiator Install
PostPosted: Tue Nov 09, 2010 11:49 am 
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I Say: Every time you yawn a ghost puts his dick in your mouth.
Vehicle: 2005 MY05 XT Lux

Posts: 4865
Location: SE Melbourne
Well it's at Subaru getting looked at now. I may have not tightened the bottom rad hose clamp enough and it popped off today. :oops: It felt tight to me, I pulled on the hose and it wasn't moving. I didn't want to tighten any more in case it chewed through the hose.

So Subaru are going to check it properly for me. I mentioned the gunk and they said it was probably just coolant crystallised as there wasn't any milky liquid that would have pointed to head gasket.

So hopefully it's just my newbness and nothing more sinister. Will update when I hear back from Subaru.

Edit: Got the call back from Subaru. Car's fine. Was just the clamp not tight enough. Pressure test was all clear too.

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Last edited by wrc-323 on Mon Jun 13, 2011 3:33 pm, edited 1 time in total.

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 Post subject: Re: Golpher Radiator Install
PostPosted: Tue Nov 09, 2010 7:55 pm 
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I Say: lifes boring...without a forester!
Vehicle: SILVER MY07 XTL

Posts: 1463
Location: Quorrobolong, Hunter Valley
Good to hear mate I've had the bad side of the 'gunk' happen to me, expensive exercise:-(

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