Heater core
- Thread starter Slyclone
- Start date
randy merritt
Donating Member
atomicmecha
I hate rust
Re: Heater core
easy... kinda... pain in the ass... yes. Trick is to keep your patience and don't break the new one going in.
easy... kinda... pain in the ass... yes. Trick is to keep your patience and don't break the new one going in.
Baythan
SY2TY2SY2TY
Re: Heater core
I'll be doing this in the future...probably next summer. I think this video will be helpful.
(the sound gets much better when he actually starts working on the truck)
https://www.youtube.com/watch?v=Z1-K9h3kUPc
Let me know if there's anything different or additional with SyTy core I should know.
What is the best replacement unit?
I'll be doing this in the future...probably next summer. I think this video will be helpful.
(the sound gets much better when he actually starts working on the truck)
https://www.youtube.com/watch?v=Z1-K9h3kUPc
Let me know if there's anything different or additional with SyTy core I should know.
What is the best replacement unit?
Don W.
Stab it and steer it
Re: Heater core
The first link is the better of the two. (The one I followed.) This job, like most, will test your patience. You might find it easier to remove the pas seat. Simple, quick, and you now have ton more room. You should find a heater pipe support in the engine compartment side. Don't forget to reinstall. Otherwise the heater pipe can't properly support the hoses and you get a new leak.
The first link is the better of the two. (The one I followed.) This job, like most, will test your patience. You might find it easier to remove the pas seat. Simple, quick, and you now have ton more room. You should find a heater pipe support in the engine compartment side. Don't forget to reinstall. Otherwise the heater pipe can't properly support the hoses and you get a new leak.
Baythan
SY2TY2SY2TY
Re: Heater core
Thanks. That link didn't work for me the other day and I thought it was a dead lead. But now it's working. :tup: EDIT: whoops...still not working. :dunno:
Like the idea of removing the seat. :tup:
Thank you.
Thanks. That link didn't work for me the other day and I thought it was a dead lead. But now it's working. :tup: EDIT: whoops...still not working. :dunno:
Like the idea of removing the seat. :tup:
Thank you.
randy merritt
Donating Member
Baythan
SY2TY2SY2TY
Re: Heater core
Turns out Randy replaced the core. It just completely slipped my mind :doh: The hoses are still disconnected.
Thanks, Randy.
Turns out Randy replaced the core. It just completely slipped my mind :doh: The hoses are still disconnected.
Thanks, Randy.
Don W.
Stab it and steer it
Re: Heater core
Do a copy and paste. (In case you don't know how.) Right click on the link above, click Copy Link Location then open a new tab in your browser. Put the cursor on the address line, Right click again, click Paste and Go, or Paste and press return. Sometimes this helps.
Do a copy and paste. (In case you don't know how.) Right click on the link above, click Copy Link Location then open a new tab in your browser. Put the cursor on the address line, Right click again, click Paste and Go, or Paste and press return. Sometimes this helps.
SVO
GMC Racing
cloneman315
Active member
Re: Heater core
What unit are you guys using? I know there are a bunch out there and I am assuming some are crap.
What unit are you guys using? I know there are a bunch out there and I am assuming some are crap.
Aeroking
e.i.
Re: Heater core
I always used a Non-A/C core. The tubes are shorter and make it a breeze to uninstall and reinstall. :2cents:
I always used a Non-A/C core. The tubes are shorter and make it a breeze to uninstall and reinstall. :2cents:
DaveP's Ghost
Well-known member
They seem to have a 7 year life. The originals began leaking right around 2000. I just put the 4th one (I've changed it 3 times in the 25 years of ownership) in my wht/gry Ty. I have a 91 DD pick up that I think I just put the 5th one in. I had a 93 Blazer that I changed I think 3 times in 20 years. So a pretty clear time-line. They last 7 years.
Some people blame it on "electrolysis". Bull shit. There is no current flow possible for more than 3 times the diameter of the hose, and coolant isn't very conductive. My cars generally don't get regular coolant changes, but the coolant gets changed in conjunction with other work like a water pump replacement, hoses change out, or engine work. Severly contaminated coolant or straight water may be a contributing factor to heater core failures, but I don't think this is the case in my cars. I keep the cooling systems clean.
7 year life. It is what it is.
PS, I've gotten pretty good at changing these. 45 minutes is typical. Usually the toughest part is removing the hoses from the old core without having to slice them open. Especially on SyTy, as the 5/8 specially formed supply hose hasn't been available for quite some time.
Some people blame it on "electrolysis". Bull shit. There is no current flow possible for more than 3 times the diameter of the hose, and coolant isn't very conductive. My cars generally don't get regular coolant changes, but the coolant gets changed in conjunction with other work like a water pump replacement, hoses change out, or engine work. Severly contaminated coolant or straight water may be a contributing factor to heater core failures, but I don't think this is the case in my cars. I keep the cooling systems clean.
7 year life. It is what it is.
PS, I've gotten pretty good at changing these. 45 minutes is typical. Usually the toughest part is removing the hoses from the old core without having to slice them open. Especially on SyTy, as the 5/8 specially formed supply hose hasn't been available for quite some time.