Hi all. I have to change the timing belt on MY00WRX in a couple of weeks time. Would i need to flush the radiator!! Also Subaru O/Park are charging $62 for coolant.

What are your thought's on the radiator & can i get some cheaper coolant to suit!!

Vic

i actually use the 20L premix from repco. cheap enough to flush often.

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Long live the WRC

I use genuine coolant, but if funds are tight the flush the cooling system through the heater hoses, drain everything and put in aftermarket coolant.

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Version 6 STI

Thanks guys. I'll give Repco a visit this weekend.

Just make sure it is 90+, the cheapo ones are usually only 60+. I've been using Tectaloy pre mixed for years without a problem.

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Beaten up old 98 Gen 2 Liberty, 13.0, stock V3 STI running gear.
07 Transit motor home
69 VF & 70 VG Valiants needing full restoration
Yamaha Zooma 50cc rocket hopefully going with the Transit.

Use only Subaru coolant.......

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No Subarus currently owned

the rest of your post where you explain why is missing

Talk to MMS who have seen possible problems in their rally cars with some aftermarket coolants, so they now recommend Subaru....

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No Subarus currently owned

Bought mine from Repco.

They have a listing of the one/type you have to use for Subaru Impreza's.

Has to be a certain type, cant remember the details though but think Ethylene Glycol based rather than mineral. If you dont have a hydrometer then go premixed or be a little heavy on the mix as Glycol with the wrong specific gravity will eat your cooling system.

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Arguably my Automobile is Awash with Alliteration - Subaru Sti S202

Careful, certain Aftermarket coolants can promote oxidisation + wear throughout your motor.

Go by what the guys above have said, you could always utilise distilled water; but that wouldn't cool your motor effectively.

A few words of advice: When you're flushing your motor, jack it up a bit at the front (helps prevent airlocks), remove the coolant line from your header tank to your turbocharger (this is where you'll use a garden hose to flush everything out as it's virtually the highest point of the motor), drop the bottom radiator hose, which will drop everything in your radiator, and allow a path for the stuff you're pushing out from the top to go through.

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03 STi @ 280hp/1.3bar