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Default 03 soft heat - 1st February 2018, 11:00 PM

Hi, I just bought an 03 r50 on the cheap and it has some issues.
First is that the heat blows cold, well luke warm to the touch but not warm enough to heat up the car. The temp guage comes up quickly and maintains a steady temp. Guage stays where it should be and there is coolant flow. I bled the air out of two spots. The upper radiator hose and the suply line to the heater core with no luck. I am told there is another bleeder but I cannot find it. Does anyone have a photo of where it is located?
I am getting ready to pull the heater core this weekend. but before I do.
Do any of you out in Miniland have any other Ideas ? Blend door maybe? are they controlled bu cable or by motor? where are they located and what is the best way to get to them?
Thanks IA
G
  
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Default 2nd February 2018, 12:12 AM

R50 is fab it's good you have taken it on and planning to make it right again

Have you seen this post?

2002 Cooper S lukewarm heater - MINI Cooper Forum


Now:F56 MINI Dooper MidnightBlack (Chili, Full White leather, Connected XL Nav, adaptive dampers, heated seats, HUD, Harmon Kardon speakers, black alloys)
Before:F56 MINI Dooper IcedChoc (Chili,VisualBoost,Leather)
Before: R56 MINI Cooper Lightning Blue (Chili,half leather)
Before :R50 MINI One Moonlight Black (Pepper)
+ 2 Audi TT MK2s in between.
  
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GminiK (2nd February 2018)
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Default 4th February 2018, 01:37 PM

@wlondoner... Thank you. very informative.

We have by proscess of elimination decided that the heater core is the culprit so have ordered a new one.
BUT.. being the impacient types we really want to see if we can clean this one. the catch is that we have no new seals (they are coming with the new unit). Is it possible to reuse the seals and clamps that are on it now?
Seems silly not to wait I know but for M(my 10 y/o) and I this is more about learning and understanding the machine more then just swapping parts. (which I will do on a weekday)
It should be said tho that we bled a lot of air out of the system, and M’s face when he revved the engine.. priceless everytime.
  
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Got It!!
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Default Got It!! - 12th February 2018, 10:56 PM

So.. after bleeding and bleeding . I swapped out the heater core and Viola!! Heat.
It was a simple task and only took about 20 minutes soup to nuts.
The most dificult part was getting to the third screw on the plastic cover way up behind the pedal arms.
I do notice now some liquid flutter as water passes through the new core. I will bleed it off in a few days.
But the total cost was about 50 USD and it took less then 30 minutes.
  
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