Engine coolant wrx 2.5 2006

nathanipp
Learner Driver
Posts: 5
Joined: Mon Mar 20, 2017 7:59 am

Engine coolant wrx 2.5 2006

Postby nathanipp » Mon May 01, 2017 10:44 am

Is it okay to put nulon coolant into my wrx or should I be using a different brand ? Cheers


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05-RSX
S204 Driver
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Joined: Sat Nov 12, 2005 10:11 am
Location: Melbourne

Re: Engine coolant wrx 2.5 2006

Postby 05-RSX » Mon May 01, 2017 9:53 pm

More important than brand is type.
I believe there are some coolants that aren't great with Alu. blocks
But more importantly there are two types (A vs B kinda thing) and are incompatible with each other. I think they're commonly referred to as 'red' vs 'green', however just to confuse things come green-coloured coolants are 'red' type.

If you're in doubt dump the lot, do a 'flush' (fill, run, dump) with demineralised water, then refill with coolant of your choice.

I believe the OEM stuff is by Castrol.
I have run Nulon in the RS since I redid the headgasket 6yr/80K km ago.
I run Castrol in the WRX, which is 190K old.
Haven't had a problem with either.
Campbell.
Team Wagon.

nathanipp
Learner Driver
Posts: 5
Joined: Mon Mar 20, 2017 7:59 am

Re: Engine coolant wrx 2.5 2006

Postby nathanipp » Wed May 03, 2017 3:24 pm

05-RSX wrote:More important than brand is type.
I believe there are some coolants that aren't great with Alu. blocks
But more importantly there are two types (A vs B kinda thing) and are incompatible with each other. I think they're commonly referred to as 'red' vs 'green', however just to confuse things come green-coloured coolants are 'red' type.

If you're in doubt dump the lot, do a 'flush' (fill, run, dump) with demineralised water, then refill with coolant of your choice.

I believe the OEM stuff is by Castrol.
I have run Nulon in the RS since I redid the headgasket 6yr/80K km ago.
I run Castrol in the WRX, which is 190K old.
Haven't had a problem with either.




Thanks mate


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higginz92
Learner Driver
Posts: 16
Joined: Sun Oct 23, 2016 4:27 pm

Re: Engine coolant wrx 2.5 2006

Postby higginz92 » Tue May 09, 2017 5:30 pm

Just so you know the engine coolant types are Green and Blue. Vehicles from 2009 onwards used Blue long life coolant required to be replaced every 150,000kms or 6 Years.

If its green, basically any brand should do just make sure the concentration is on point.

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