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Coolant

 
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Mitragorz  



Joined: 30 Jun 2014
Posts: 19
Location: Manorville, NY

PostPosted: Sun Aug 25, 2019 2:07 am    Post subject: Coolant Reply with quote

Simple question: Green or Orange?

1980 924 NA
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PaulD_944S2  



Joined: 25 Nov 2014
Posts: 9
Location: RIverside, California

PostPosted: Sun Aug 25, 2019 3:47 pm    Post subject: Reply with quote

Neither, Porsche Pink!

Zerex G05 is good.
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Dutch924-racer  



Joined: 23 Jul 2007
Posts: 1029
Location: The Netherlands

PostPosted: Sun Aug 25, 2019 5:12 pm    Post subject: Reply with quote

G11, colour doesn't always say which product it is. G11 is mostly blue-green.
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morghen  



Joined: 21 Jan 2005
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Location: Romania

PostPosted: Sun Aug 25, 2019 8:55 pm    Post subject: Reply with quote

G12, i use G12. Its bright pink.
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924RACR  



Joined: 29 Jul 2001
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Location: Royal Oak, MI, USA

PostPosted: Mon Aug 26, 2019 1:51 am    Post subject: Reply with quote

I use orange...
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Mitragorz  



Joined: 30 Jun 2014
Posts: 19
Location: Manorville, NY

PostPosted: Mon Aug 26, 2019 3:16 am    Post subject: Reply with quote

Thanks for those. I was mostly talking about the Prestone products, either the Orange Dexcool or the standard green stuff.

I'll be picking up some G-05 from Autozone this afternoon.
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Carrera RSR  



Joined: 08 Jan 2010
Posts: 1807
Location: Somerset, UK

PostPosted: Mon Aug 26, 2019 10:01 pm    Post subject: Reply with quote

Depends what the motor has had in it previously

MEG tends to be Blue or Green
OAT tends to be pink, orange or red

If you have previously used MEG do not use OAT unless the previous MEG is 100% flushed. You cannot risk the two mixing unless you want gloop blocking’s your cooling channels.
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Mitragorz  



Joined: 30 Jun 2014
Posts: 19
Location: Manorville, NY

PostPosted: Tue Aug 27, 2019 7:22 am    Post subject: Reply with quote

Carrera RSR wrote:
Depends what the motor has had in it previously

MEG tends to be Blue or Green
OAT tends to be pink, orange or red

If you have previously used MEG do not use OAT unless the previous MEG is 100% flushed. You cannot risk the two mixing unless you want gloop blocking’s your cooling channels.


Hmmm... Based on this picture I took when the reservoir cracked, it looks like it had green in it. Not sure what it was, I never had to add any coolant and never did a flush.

G-05 is HOAT from what I read. I already filled the car up and bled it. Do I have some immediate flushing to do??


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Mitragorz  



Joined: 30 Jun 2014
Posts: 19
Location: Manorville, NY

PostPosted: Tue Aug 27, 2019 7:47 am    Post subject: Reply with quote

Ok, so I'm flushing it anyway.

I likely can't get the heater core bc the climate control in the car doesn't work. The fan switch is probably bad and two of the three sliders have jumped the tracks. She isn't a show car.

So what I did now is pull the skid plate and pull out the rad drain plug. I'm feeding tap water through it via the reservoir. When that comes out clean, I'll fill it with tap, run the car, bleed, drain, refill, run, bleed, drain... rinse and repeat until the water comes out clear. Then I'll run 4 or so gallons of distilled through it, then refill with G05 and bleed.

This *should* preclude the need to pull the block drains. The car is 40 years old, the fewer bolts I risk breaking or stripping the better.

Better safe than sorry and, to be honest, it's not difficult or time-consuming to do it right. The only thing that worries me is not emptying the heater core.
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