Heater core sources (for replacement)
Thread Starter
Drifting
Joined: Jul 2000
Posts: 1,266
Likes: 0
From: Allen, TX, USA
Heater core sources (for replacement)
I've got coolant smell with the heat these days, sigh!
I see Zip's got heater cores - anyone try the autozone ones?
To pressure test them what do you do? Air pressure?
Hot water under pressure?
I see Zip's got heater cores - anyone try the autozone ones?
To pressure test them what do you do? Air pressure?
Hot water under pressure?
Team Owner
Joined: Jul 2004
Posts: 40,374
Likes: 788
From: Redondo Beach, California
As far as I can tell, all of the heater replacement cores are copper. Does anyone know if there's an aluminum heater core made? If you've got aluminum cylider heads, an aluminum radiator, and an aluminum water pump, it'd be good to get copper out of the cooling circuit.
Race Director
Joined: Jul 2004
Posts: 12,696
Likes: 329
From: Scottsdale Arizona
Originally Posted by 68/70Vette
If you've got aluminum cylider heads, an aluminum radiator, and an aluminum water pump, it'd be good to get copper out of the cooling circuit.
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Team Owner
Joined: Jul 2004
Posts: 40,374
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From: Redondo Beach, California
Originally Posted by CA-Legal-Vette
....... Remember that just about everyone that has an aluminum rad will have a copper heater core without any issues that I'm aware of.
Race Director
Joined: Jul 2004
Posts: 12,696
Likes: 329
From: Scottsdale Arizona
Originally Posted by 68/70Vette
......just note from responses to this item that there appears to be a large number of people who have corroded heater cores.
Lots of people with copper rads and heater cores with corrosion as well.
Burning Brakes
Joined: Sep 2001
Posts: 1,166
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From: Tulsa Ok
To pressure test, stick in a bucket of water,shake until all bubbles are gone, introduce no more than 15lbs pressure of air in one side and stick your thumb over the other side. No bubbles is good.
Pro
Joined: Dec 2002
Posts: 560
Likes: 1
From: Mooresville NC
Originally Posted by FeedVaal
To pressure test, stick in a bucket of water,shake until all bubbles are gone, introduce no more than 15lbs pressure of air in one side and stick your thumb over the other side. No bubbles is good.
I do the samething, but other than a bucket of water, I take a real soapy solution and lather the core up. Add air pressure and if you have a foam party going on
, then you have a leak. Good Luck
Thread Starter
Drifting
Joined: Jul 2000
Posts: 1,266
Likes: 0
From: Allen, TX, USA
Thanks for the responses...
The autozone part is about $35 IIRC.
If you are buying a new one, do pressure check it. Some on here haven't
and had to install a heater core twice...
Can any leaks in the heater core box be sealed from the inside if the heater
core is out? Or is it best to redo the seals by removing and replacing the
aged seals?
The autozone part is about $35 IIRC.
If you are buying a new one, do pressure check it. Some on here haven't
and had to install a heater core twice...
Can any leaks in the heater core box be sealed from the inside if the heater
core is out? Or is it best to redo the seals by removing and replacing the
aged seals?
Safety Car
Joined: Mar 2003
Posts: 3,583
Likes: 504
From: Indianapolis IN
Finalist 2020 C4 of the Year - Unmodified
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Originally Posted by adam
I've got coolant smell with the heat these days, sigh!
I see Zip's got heater cores - anyone try the autozone ones?
To pressure test them what do you do? Air pressure?
Hot water under pressure?
I see Zip's got heater cores - anyone try the autozone ones?
To pressure test them what do you do? Air pressure?
Hot water under pressure?
I bought mine from Autozone...dropped right in. Pressure tested with air for 30 min. at 20psi with no leakdown. If it'll hold air, it'll hold coolant....and air is MUCH easier to work with than hot water!
