R50/R53 :: Hatch Talk (2002-2006) Cooper (R50) and Cooper S (R53) hatchback discussion.

R50/53 Heater Core Bypass

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Old Mar 22, 2019 | 10:36 PM
  #1  
Chuck Ray's Avatar
Chuck Ray
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Heater Core Bypass

Bypassing my heater core as a permanent solution???
Ok so I live in SoCal. Heater Core sprung a leak and the dealership quoted me over $1,000.00 to fix it. I said kick rocks! Bought the heater core and necessities to replace it. $250.00. Took it to my mechanic friend and he said screw it, just bypass it by connecting the inlet hose to the outlet hose and now my car doesn’t over heat anymore! Sweet! Right? Or am I overlooking something that is going to ultimately bite me in the ***?

All responses welcome
 
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Old Mar 23, 2019 | 06:11 AM
  #2  
BlwnAway's Avatar
BlwnAway
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From: Arnold, MO.
It will only be a problem if you need to un-fog your windshield in the cold or rain.
To defog or defrost requires heat.
 
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Old Mar 23, 2019 | 06:22 AM
  #3  
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veedubpat
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Find a different / better mechanic friend and get that thing swapped! It would be super annoying every time the marine layer / fog rolls through and you can't see until it goes away (if it does, by the afternoon...).

Years back I did one in the Jetta that I had at the time - huge PITA and took ~10 hours over the course of a long weekend, but the dealership wanted $800 as a starting value. Unless it's a proper race car, you're going to be quite inconvenienced by not having it hooked up properly.
 
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Old Mar 23, 2019 | 07:30 AM
  #4  
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Tgriffithjr
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From: Texas
Ditto.
 
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Old Sep 15, 2021 | 02:01 PM
  #5  
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Serafin
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From: St, Petersburg, FL
Can you share what size coupler/hose did you use?
is it 5/8 and 3/4?
Thank You
 
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Old Sep 15, 2021 | 02:48 PM
  #6  
ChiefM's Avatar
ChiefM
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Chuck Ray was last on: Last Activity: 03-27-2019 01:46 AM
You won't get a response.
 
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Old Sep 15, 2021 | 05:19 PM
  #7  
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Serafin
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From: St, Petersburg, FL
Originally Posted by ChiefM
Chuck Ray was last on: Last Activity: 03-27-2019 01:46 AM
You won't get a response.
damn. Anyone else bypasses their heater core?

 
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Old Sep 15, 2021 | 08:14 PM
  #8  
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dmath
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From: Western NC
A friend has done it on a couple of old cars he's restored but he only drives them in summer and never when it's wet out so he has no concerns about needing heat or defogging.
 
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