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#4598424 - 12/08/17 06:48 PM 2003 Subaru Legacy coolant?
johnnyv38 Offline


Registered: 12/07/17
Posts: 2
Loc: Wheat Ridge CO
I recently acquired a 2003 Legacy wagon with low miles 43k. I don't believe the coolant has ever been changed or flushed. What coolant can I use? Currant coolant is Subaru green. Should I stick with Subaru OEM or are there other brands that are cheaper but just as good or better?

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#4598448 - 12/08/17 07:08 PM Re: 2003 Subaru Legacy coolant? [Re: johnnyv38]
Kamele0N Offline


Registered: 02/09/15
Posts: 2041
Loc: Slovenia
Glysantine g48 a.k.a g11.... That is usually green/blue dyed...
_________________________
2011 Hyundai i30 1.4 CVVT Shell Helix Ultra 5w40
1997 Toyota Landcruiser KZJ95 3.0 TD various 10w40

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#4598453 - 12/08/17 07:10 PM Re: 2003 Subaru Legacy coolant? [Re: johnnyv38]
KneeGrinder Offline


Registered: 11/28/17
Posts: 221
Loc: North of you Idaho
Please spend a lot of time researching this subject for your specific motor. Go to a Subaru forum, figure out what motor you have. Some Subaru's have headgasket problems, they have an additive to use with coolant changes, if your type of engine is supposed to have it added, please ad it! Or you will have issue's later down the line. I would just use the Subaru coolant If I was you. Pentofrost A2 would be your other option.
_________________________
08 Tribeca 82k PUP 5w30 wix
06 Accord Hybrid 131k PUP 5w20 wix
02 Chevy k3500 97k Delvac 1 esp 5w40 wix
00 F350 133k Delvac 1300 15w40 wix

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#4598596 - 12/08/17 09:42 PM Re: 2003 Subaru Legacy coolant? [Re: KneeGrinder]
Padawan Offline


Registered: 08/24/08
Posts: 333
Loc: NJ
Originally Posted By: KneeGrinder
I would just use the Subaru coolant If I was you. Pentofrost A2 would be your other option.


Exactly this, and add a bottle of the Subaru Cooling System Conditioner (or Holts Radweld).

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#4598620 - 12/08/17 10:30 PM Re: 2003 Subaru Legacy coolant? [Re: johnnyv38]
fozzdesy2001 Offline


Registered: 11/22/13
Posts: 60
Loc: York, Pa
Originally Posted By: johnnyv38
I recently acquired a 2003 Legacy wagon with low miles 43k. I don't believe the coolant has ever been changed or flushed. What coolant can I use? Currant coolant is Subaru green. Should I stick with Subaru OEM or are there other brands that are cheaper but just as good or better?


If you are getting something other than OEM Subaru I can recommend the gold colored Peak Global. It has an aluminum friendly formula but it can be harder to get than the Subaru green stuff your Legacy was factory filled with. Nice to find a low mileage 2003 Subie!
_________________________
2001 Subaru Forester S
Replaced with a 2006 Forester

2004 Subaru Forester XT
Death by deer. Replaced with 2003 Impreza Outback Sport (beater)

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#4607688 - 12/18/17 08:43 PM Re: 2003 Subaru Legacy coolant? [Re: johnnyv38]
Jetta16 Offline


Registered: 12/14/09
Posts: 7
Loc: Chapel Hill,NC 27514
use the OEM subaru coolant
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