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11-27-2024, 06:26 PM | #1 |
Registered User
Join Date: Aug 2022
Location: winneconne, wisco
Posts: 53
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heater core leaking.........grrrr
how do i change this thing out, and what is the best one to get??
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11-27-2024, 10:06 PM | #2 |
78 Big10 454
Join Date: Jul 2008
Location: Pismo Beach, CA
Posts: 839
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Re: heater core leaking.........grrrr
I swapped out mine using a heater core I got from NAPA auto parts. This is the video I used to do the swap:
https://www.youtube.com/watch?v=Ec5aIn1MmrY Allot yourself the time necessary to do this swap. Lay down some towels or rags over the interior carpet, just in case you spill some residual coolant. I took photos step-by-step and labeled and marked everything I could. Clean up everything as you go. It was a solid four hour job. Take your time and take a breather if you get frustrated. Once you complete the job, you'll be surprised how satisfying it was to do it.
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1978 Chevy SWB C-10 2WD 454/400 Last edited by 78 Big10 454; 11-28-2024 at 03:18 PM. |
11-28-2024, 12:20 AM | #3 |
Senior Member
Join Date: Dec 2018
Location: yamhill OR
Posts: 909
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Re: heater core leaking.........grrrr
Is an a/c or none a/c truck?
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1965 chevy c20 292 4speed http://67-72chevytrucks.com/vboard/s...d.php?t=777601 1976 chevy c10 250 4speed http://www.67-72chevytrucks.com/vboa...d.php?t=787037 1978 chevy c20 350 4speed 1998 chevy c1500 4.3L 5speed 2002 Chevy s10 4.3L auto 4x4 Plus a Mercury & some Fords... To many projects! |
11-28-2024, 04:33 AM | #4 |
Registered User
Join Date: Jun 2013
Location: Somewhere
Posts: 3,123
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Re: heater core leaking.........grrrr
You might be able to fix it. Maybe look at it.
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11-28-2024, 04:41 AM | #5 |
Registered User
Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,611
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Re: heater core leaking.........grrrr
Here is a forum thread on the subject: http://67-72chevytrucks.com/vboard/s...d.php?t=460942
AC equipped truck although heat only isn't that much different. I have replaced both types. One thing to watch is that many replacement heater cores are of the "One size fits many" type and may need a bit of gap sealing to get the best air flow performance. As mentioned above, allot several hours for the task. Take breaks. When finished, check nearby wiring and such to make sure elbows didn't knock something loose while you were reaching for one of those hard to get at nuts. |
11-28-2024, 11:07 AM | #6 |
Robert Olson Transport
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,310
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Re: heater core leaking.........grrrr
I second getting the new core at NAPA seems they are a better quality part
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
11-29-2024, 02:01 PM | #7 |
Registered User
Join Date: Nov 2018
Location: Cali
Posts: 322
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Re: heater core leaking.........grrrr
Living in Cali my heater core started leaking some thirty years ago, at the time I just disconnected the hoses to swap it out at a later date since it was the middle of summer, still wondering when I'll get to it.
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12-16-2024, 05:13 PM | #8 |
Registered User
Join Date: Dec 2011
Location: Boise, Idaho
Posts: 583
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Re: heater core leaking.........grrrr
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12-17-2024, 12:15 PM | #9 |
At the body shop.
Join Date: Aug 2009
Location: Land of fruits and nuts.
Posts: 5,255
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Re: heater core leaking.........grrrr
Just did ours in the 91 crew cab.
Did it all from the glovebox. Except the 2 nuts from under the ac suitcase. Used an aluminum core works ok so far.
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" That didnt make it any newer " " Dont antique the equipment " |
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