Custom Mirage products: Cruise control kit, Glove box light, MAF sensor housing, Rear sway bar, Upper grill block
Current project: DIY Nitrous oxide setup for ~$100
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View my fuel log 2015 Mirage DE 1.2 manual: 47.2 mpg (US) ... 20.1 km/L ... 5.0 L/100 km ... 56.7 mpg (Imp)
Eggman (09-14-2018)
The core is out! I was thankfully able to do it without compromising the A/C system. That was my main concern. But, thanks to the pivoting tubes on the core, I was able to pull the assembly far enough away from the firewall and slide it out.
Upon inspecting the two heater cores, the OEM unit does appear to be a higher quality unit. The fins are more even, and welding seems cleaner on it.
OEM
Aftermarket
Custom Mirage products: Cruise control kit, Glove box light, MAF sensor housing, Rear sway bar, Upper grill block
Current project: DIY Nitrous oxide setup for ~$100
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View my fuel log 2015 Mirage DE 1.2 manual: 47.2 mpg (US) ... 20.1 km/L ... 5.0 L/100 km ... 56.7 mpg (Imp)
Something very interesting I found while doing this just now. When I unhooked the heater core from the system, I drained the coolant into a pan. I also drained the heater core into the pan after removing it. So, most of the coolant that the heater core contains should be in the pan. However, the pan seemed to have a very small amount of coolant in it. Granted, some of it is stuck on the chassis and subframe. I obviously didn't catch it all. But, I then filled up the OEM heater core with tap water and compared the two...
coolant
water
There is 2/3rds cup of coolant missing here. Where did it go? Or was it ever there? Was the heater core not full of coolant?
I am going to test the aftermarket heater core now to see how much water it holds...
Custom Mirage products: Cruise control kit, Glove box light, MAF sensor housing, Rear sway bar, Upper grill block
Current project: DIY Nitrous oxide setup for ~$100
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View my fuel log 2015 Mirage DE 1.2 manual: 47.2 mpg (US) ... 20.1 km/L ... 5.0 L/100 km ... 56.7 mpg (Imp)
It looks like the aftermarket core holds about 1 cup.
I could have sworn I even jacked up the front driver's side of the car last winter when I did my heater core flush to make sure the air got out of the heater core... Oh well, I will proceed with the installation of the aftermarket unit. I won't know for sure if the OEM one is bad until its cut open.
Custom Mirage products: Cruise control kit, Glove box light, MAF sensor housing, Rear sway bar, Upper grill block
Current project: DIY Nitrous oxide setup for ~$100
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View my fuel log 2015 Mirage DE 1.2 manual: 47.2 mpg (US) ... 20.1 km/L ... 5.0 L/100 km ... 56.7 mpg (Imp)
MetroMPG (09-15-2018)
Interesting. Can you fill it and cap it?
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View my fuel log 2015 Mirage ES 1.2 manual: 49.6 mpg (US) ... 21.1 km/L ... 4.7 L/100 km ... 59.5 mpg (Imp)
I could. I'm not seeing a reason as to why to do that though?
Custom Mirage products: Cruise control kit, Glove box light, MAF sensor housing, Rear sway bar, Upper grill block
Current project: DIY Nitrous oxide setup for ~$100
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View my fuel log 2015 Mirage DE 1.2 manual: 47.2 mpg (US) ... 20.1 km/L ... 5.0 L/100 km ... 56.7 mpg (Imp)
That's a bit disheartening, heater core replacement on a 2015 MY car. Good luck Daox.
2018 Mirage
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View my fuel log 2018 Mirage GT 1.2 automatic: 38.0 mpg (US) ... 16.1 km/L ... 6.2 L/100 km ... 45.6 mpg (Imp)
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View my fuel log 2015 Mirage ES 1.2 manual: 49.6 mpg (US) ... 21.1 km/L ... 4.7 L/100 km ... 59.5 mpg (Imp)
Interesting...so you don't have to remove the entire heater box from the car to extract the heater core...
That's good to know they engineered it that way. Are you able to determine if the blend/mode doors are operating and sealing properly?
How about running some hot water through it and using a pyrometer to see if it has any cool spots?...I won't know for sure if the OEM one is bad until its cut open.
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View my fuel log 2015 Mirage ES 1.2 manual: 52.2 mpg (US) ... 22.2 km/L ... 4.5 L/100 km ... 62.6 mpg (Imp)
Custom Mirage products: Cruise control kit, Glove box light, MAF sensor housing, Rear sway bar, Upper grill block
Current project: DIY Nitrous oxide setup for ~$100
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View my fuel log 2015 Mirage DE 1.2 manual: 47.2 mpg (US) ... 20.1 km/L ... 5.0 L/100 km ... 56.7 mpg (Imp)
Top_Fuel (09-15-2018)