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02-08-2008, 01:31 AM | #1 |
Scooby Specialist
Member#: 161666
Join Date: Oct 2007
Chapter/Region:
SCIC
Location: Ventura, Ca
Vehicle:2005 STI CGM |
New Version OEM 02 wrx Radiator Install?
I was wondering if anyone has installed the "updated" radiator from subaru for their 02. My radiator recently took a dumb on me and I order the new radiator with all the hoses and was wondering if anyone could let me know if there is anything in particular that I need to look for or be aware of before I do the install? Any snags or tips that could make it go smoother or faster? Thanks.
-Justin
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02-08-2008, 01:42 AM | #2 |
Scooby Specialist
Member#: 140244
Join Date: Feb 2007
Chapter/Region:
MWSOC
Location: Chicago
Vehicle:2002 bugeye still rippin' hard |
I did recently. Drain the coolant by removing the lower rad. hose. Take out the intake, pull out the old radiator, and install the new one. Fill with coolant, I bought the subaru genuine one, mixed it 50/50 with distilled water and added the conditioner. Run the car for while, burp the lines.
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02-08-2008, 09:59 AM | #3 |
Scooby Specialist
Member#: 123103
Join Date: Aug 2006
Chapter/Region:
MAIC
Vehicle:2003 WRX Full 07 STI trans |
I just replaced mine with a koyo alluminum one with a crucial thermostat. very nice piece. As for draining the coolant I would first empty it through the drain plug on the left side of the radiator because that will get most of it out. If you undo the bottom hose there is a good chance it will come out all over you! and thats not fun.
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02-08-2008, 11:20 AM | #4 |
Scooby Specialist
Member#: 118566
Join Date: Jun 2006
Location: Seattle
Vehicle:2005 WRX OBP |
There is an "updated" factory radiator?
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02-08-2008, 11:23 AM | #5 |
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MAIC
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Vehicle:2 Cars, No Bling |
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02-08-2008, 11:35 AM | #6 |
Scooby Specialist
Member#: 161666
Join Date: Oct 2007
Chapter/Region:
SCIC
Location: Ventura, Ca
Vehicle:2005 STI CGM |
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02-08-2008, 02:26 PM | #7 |
Trust no one
Moderator Member#: 11170
Join Date: Oct 2001
Chapter/Region:
Tri-State
Location: NYC
Vehicle:02 RAV4 MT 15 WRX/11 CRZ |
The updated radiator on my 02-
If you get the new one from a dealer and they know you have an 02 (they'll ask for VIN), the additonal parts should be included. Aside from the new hoses to accomodate the cap, the radiator itself drops right in to replace the old one. With the second cap, filling the system is much easier. I've done mine a couple of times, filling it slowly with both caps open, and there was no trapped air. |
02-08-2008, 06:17 PM | #8 | ||
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Member#: 25187
Join Date: Sep 2002
Location: So. CA
Vehicle:2020 Forester 2010 Challenger R/T |
Quote:
Quote:
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02-12-2008, 10:51 PM | #9 |
Scooby Specialist
Member#: 161666
Join Date: Oct 2007
Chapter/Region:
SCIC
Location: Ventura, Ca
Vehicle:2005 STI CGM |
How long did this take you guys to install?
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02-13-2008, 01:14 AM | #10 |
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Member#: 147024
Join Date: Apr 2007
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It took me about an hour.
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02-13-2008, 02:00 AM | #11 |
Scooby Specialist
Member#: 161666
Join Date: Oct 2007
Chapter/Region:
SCIC
Location: Ventura, Ca
Vehicle:2005 STI CGM |
Is it pretty basic? I am pretty well inclined in mechanical work, but I have torn ligaments in my shoulder so I am kind of iffy about it, but it needs to get done.
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02-13-2008, 11:00 AM | #12 |
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Vehicle:2020 Forester 2010 Challenger R/T |
.....about two hours for me taking my time and monkeying around. The hardest parts I would say were draining the coolant (the valve wasn't very cooperative) and replacing the hoses. .......and consider that "hard" is all relative. The job is quite simple as people have described.
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04-30-2008, 06:13 PM | #13 |
Scooby Newbie
Member#: 40864
Join Date: Jul 2003
Location: Denver, CO
Vehicle:2003 WRX 2008 BMW 135 |
About how much does the new radiator and associated parts cost? Or is it better off to go with an aftermarket aluminum radiator? The reason I ask is that my '03 has the old unit and is beginning to leak at the seams like others have.
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04-30-2008, 06:38 PM | #14 |
Scooby Specialist
Member#: 140244
Join Date: Feb 2007
Chapter/Region:
MWSOC
Location: Chicago
Vehicle:2002 bugeye still rippin' hard |
I bought a brand new oem 03 style radiator w/required hoses, 1 gallon genuine subaru coolant, conditioner, all for 320$ from an online source.
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04-30-2008, 06:46 PM | #15 | |
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Member#: 25187
Join Date: Sep 2002
Location: So. CA
Vehicle:2020 Forester 2010 Challenger R/T |
Quote:
1) Radiator $349.95 2) Upper/lower hoses $44 3) metal pipe $43 4) 2 overflow hoses $30 5) Coolant $19.70 I don't recall who I actually pucrchased the pieces from or what I actually paid in the end but I figured this should give you a ball park figure. Obviosuly, there are cheaper places to source the parts. I would ask rexman who he bought his from. |
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04-30-2008, 07:20 PM | #16 | |
Scooby Specialist
Member#: 140244
Join Date: Feb 2007
Chapter/Region:
MWSOC
Location: Chicago
Vehicle:2002 bugeye still rippin' hard |
Quote:
I purchased the 03 radiator + the other stuff mentioned from www.thekingofparts.com http://www.thekingofparts.com/servle...ate/about/Page Email Tristan or pm him and let him know what you need. |
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04-30-2008, 07:25 PM | #17 |
Scooby Specialist
Member#: 174768
Join Date: Mar 2008
Chapter/Region:
MWSOC
Location: Chicago
Vehicle:2002 WRX WRB |
yea its pretty simple enough room to work with, just never do it on an intrepid, i hated doing that car in the shop lol.
And most the time there is an update on a part from OEM they are required to tell you any other stuff you may need or any percautions if not list it on the paperwork supplied in the box. |
04-30-2008, 08:02 PM | #18 |
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Join Date: May 2006
Chapter/Region:
SWIC
Location: Mesa, AZ
Vehicle:2002 ej207 vf34 WRB |
For $200 shipped you can get an aftermarket aluminum radiator....not a bad way to go.
I got a mishimoto from MAPERFORMANCE.com, do a search for this radiator, many have had very good luck, including myself. I would definitely do it again. I was pretty impressed, especially for the price. Easy install and no modification needed (although the site says fans won't work, they do.) Save $320, and get a better radiator (IMHO.) But you will still need the two hoses and the metal pipe. Good Luck |
05-01-2008, 07:49 AM | #19 |
Scooby Newbie
Member#: 164953
Join Date: Nov 2007
Location: Worldwide
Vehicle:2002 WRX Platinum Silver |
I got the Koyo All aluminum radiator for my 02 WRX that has no cap on the radiator... easiest way but also the messiest is to undo the top hose to get some coolant out (all over the floor but i had a big pan so i caught most of it). move that out of the way, pull the fans out ( the hardest part is getting the electrical clips that power the fans), undo the bottom hose that gets rid of the rest of the coolant and Voila. You now have removed your radiator. i'd say the hardest part is the clips for fans.
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05-02-2008, 06:26 PM | #20 |
Scooby Newbie
Member#: 40864
Join Date: Jul 2003
Location: Denver, CO
Vehicle:2003 WRX 2008 BMW 135 |
Thanks for all the info guys. You are all helpful as always.
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05-06-2008, 09:26 AM | #21 |
Scooby Newbie
Member#: 85087
Join Date: Apr 2005
Chapter/Region:
MWSOC
Location: middle of hell
Vehicle:2002 wrx wagon |
I am also getting ready to install a koyo with the cap on the radiator and getting the hose kit from the local dealer. But i do have a question. the two caps i was told need to be the same so i ordered the cusco 1.3bar caps from scoobytuner.com. Are these caps going to work or are they not if the two caps are supposed to be of a different style. I would hope that they would send me what i need if i ordered two caps but from my experience with them this go around i would not expect it. Or since i am installing a koyo are the cap styles supposed to be the same???????
Please help. I am getting ready to install this week. |
05-06-2008, 10:55 AM | #22 |
Scooby Specialist
Member#: 26770
Join Date: Oct 2002
Chapter/Region:
South East
Location: Tampa
Vehicle:'02 WRX midnight black |
I don't THINK both caps are the same. I would ASSUME the lower pressure cap would be on the coolant reseviour (highest point) for coolant/air movement to the coolant expansion tank. I'm pretty sure the 2 caps have different PSI/BAR ratings.
Pictures: http://forums.nasioc.com/forums/show...light=caps+psi STi rating (18 PSI): http://forums.nasioc.com/forums/show...i+coolant+caps WRX low PSI cap @ high point location = 16 PSI: http://forums.nasioc.com/forums/show...t=radiator+cap Unibombers Coolant FAQ: http://forums.nasioc.com/forums/showthread.php?t=504002 ..."CAUTION The new system is provided with two different caps, one on the radiator and one on the pressurized tank as shown in the above table. Accordingly, pay special attention not to mix up those caps. If they are switched, it could cause overheating which may lead to engine failure. "... http://forums.nasioc.com/forums/show...t=radiator+cap Cap w/ ears go on the highpoint (vac & pressure relief), and round cap on radiator (only over pressure relief). Last edited by strohausii; 10-06-2008 at 07:32 AM. Reason: summation |
05-06-2008, 01:35 PM | #23 |
Scooby Newbie
Member#: 85087
Join Date: Apr 2005
Chapter/Region:
MWSOC
Location: middle of hell
Vehicle:2002 wrx wagon |
So after reading through all of these and others It seem to be that the styles are the same but different bar ratings for the two caps with the higher being on the radiator and new plumbing as a safety device for excess pressure. I still could not find out whether replacing both of the caps to the same pressure is good or bad. I purchased the radiator from oakos whom i have always had great luck with and they told me i need to replace both caps with the same pressure. are they trying to sell me a second cap? or is there a method to the madness. Theoretically if both caps are the same pressure they will both vent at the same time. Will this cause air in the system? It should not since they are both venting but as the system cools and excess has been vented will the remaining space create air and not be sucked out of the rad resivior fast enough? or since the resiviour cap is at a higher point in the system will it be cheated the ability to properly discharge?
There seems to be much debate and inconclusiveness on the matter. crucial says the will sell both. Decisions decisions |
05-06-2008, 01:48 PM | #24 | |
Scooby Specialist
Member#: 26770
Join Date: Oct 2002
Chapter/Region:
South East
Location: Tampa
Vehicle:'02 WRX midnight black |
Quote:
If you look at your overflow reseviour, the return tube outlet is fully submerged at the bottom of the tank, so when the system "contracts" durning cool down, it will draw back from the bottom of the overflow tank. |
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05-06-2008, 02:11 PM | #25 |
Scooby Specialist
Member#: 26770
Join Date: Oct 2002
Chapter/Region:
South East
Location: Tampa
Vehicle:'02 WRX midnight black |
In addition, I'd say its best to have the differential pressure caps (lower psi at the reseviour) since the turbo can vaporize coolant and any gas/air created (I assume) will travel to this location. So it seems to me this is where you would want any fluid traveling to/from the overflow tank.
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